diff --git a/COPYING b/COPYING
index 07779eeb0a..4456df359e 100644
--- a/COPYING
+++ b/COPYING
@@ -6,7 +6,7 @@ style licensing is included in this file. In my words -- I believe that you
 should free to use NuttX in any environment, private, private, commercial,
 open, closed, etc. provided only that you respect the modest copyright
 notices as described in license (below), respect Trademarks, and include a
-copy of the BSD license.  Please feel free to contact me if you have any 
+copy of the BSD license.  Please feel free to contact me if you have any
 icensing concerns.
 
 Tool Licenses
diff --git a/Documentation/NXGraphicsSubsystem.html b/Documentation/NXGraphicsSubsystem.html
index d1398a2757..89c695da8e 100644
--- a/Documentation/NXGraphicsSubsystem.html
+++ b/Documentation/NXGraphicsSubsystem.html
@@ -4817,4 +4817,3 @@ sudo ln -s libXext.so.6.4.0 libXext.so
 
 </body>
 </html>
-
diff --git a/Documentation/NuttXDemandPaging.html b/Documentation/NuttXDemandPaging.html
index b18e97480a..48fa7de249 100644
--- a/Documentation/NuttXDemandPaging.html
+++ b/Documentation/NuttXDemandPaging.html
@@ -670,4 +670,3 @@
 </dl></ul>
 </body>
 </html>
-
diff --git a/Documentation/NuttxPortingGuide.html b/Documentation/NuttxPortingGuide.html
index c51d9cbd14..b947737483 100644
--- a/Documentation/NuttxPortingGuide.html
+++ b/Documentation/NuttxPortingGuide.html
@@ -7323,5 +7323,3 @@ void (*notify)(FAR struct pm_callback_s *cb, int domain, enum pm_state_e pmstate
 
 </body>
 </html>
-
-
diff --git a/Kconfig b/Kconfig
index 71288973db..cc6a50509d 100644
--- a/Kconfig
+++ b/Kconfig
@@ -1805,4 +1805,3 @@ endmenu
 menu "Application Configuration"
 source "$APPSDIR/Kconfig"
 endmenu
-
diff --git a/README.txt b/README.txt
index 24484d4056..940cfff273 100644
--- a/README.txt
+++ b/README.txt
@@ -2363,4 +2363,3 @@ tools/
 
 uClibc++/
  `- README.txt
-
diff --git a/arch/arm/include/.gitignore b/arch/arm/include/.gitignore
index e6460c4a67..af8911db06 100644
--- a/arch/arm/include/.gitignore
+++ b/arch/arm/include/.gitignore
@@ -1,3 +1,2 @@
 /board
 /chip
-
diff --git a/arch/arm/include/a1x/a10_irq.h b/arch/arm/include/a1x/a10_irq.h
index 82a4092743..14a4ed198f 100644
--- a/arch/arm/include/a1x/a10_irq.h
+++ b/arch/arm/include/a1x/a10_irq.h
@@ -220,4 +220,3 @@ extern "C"
 #endif
 
 #endif /* __ARCH_ARM_INCLUDE_A1X_A10_IRQ_H */
-
diff --git a/arch/arm/include/a1x/irq.h b/arch/arm/include/a1x/irq.h
index 33fed49d24..2e8c312c80 100644
--- a/arch/arm/include/a1x/irq.h
+++ b/arch/arm/include/a1x/irq.h
@@ -88,4 +88,3 @@ extern "C"
 #endif
 
 #endif /* __ARCH_ARM_INCLUDE_A1X_IRQ_H */
-
diff --git a/arch/arm/include/arm/syscall.h b/arch/arm/include/arm/syscall.h
index d3321cbd42..07b2f0544a 100644
--- a/arch/arm/include/arm/syscall.h
+++ b/arch/arm/include/arm/syscall.h
@@ -265,4 +265,3 @@ extern "C"
 
 #endif /* __ASSEMBLY__ */
 #endif /* __ARCH_ARM_INCLUDE_ARM_SYSCALL_H */
-
diff --git a/arch/arm/include/armv6-m/irq.h b/arch/arm/include/armv6-m/irq.h
index 338f24ada9..c4a4a74701 100644
--- a/arch/arm/include/armv6-m/irq.h
+++ b/arch/arm/include/armv6-m/irq.h
@@ -373,4 +373,3 @@ extern "C"
 #endif
 
 #endif /* __ARCH_ARM_INCLUDE_ARMV6_M_IRQ_H */
-
diff --git a/arch/arm/include/armv6-m/syscall.h b/arch/arm/include/armv6-m/syscall.h
index 9c5eca2b9a..3be5644911 100644
--- a/arch/arm/include/armv6-m/syscall.h
+++ b/arch/arm/include/armv6-m/syscall.h
@@ -283,4 +283,3 @@ extern "C"
 
 #endif /* __ASSEMBLY__ */
 #endif /* __ARCH_ARM_INCLUDE_ARMV6_M_SYSCALL_H */
-
diff --git a/arch/arm/include/armv7-m/irq.h b/arch/arm/include/armv7-m/irq.h
index 53698d6e98..b1d80b808c 100644
--- a/arch/arm/include/armv7-m/irq.h
+++ b/arch/arm/include/armv7-m/irq.h
@@ -444,4 +444,3 @@ extern "C"
 #endif
 
 #endif /* __ARCH_ARM_INCLUDE_ARMV7_M_IRQ_H */
-
diff --git a/arch/arm/include/armv7-m/irq_cmnvector.h b/arch/arm/include/armv7-m/irq_cmnvector.h
index c07af9e632..4743805124 100644
--- a/arch/arm/include/armv7-m/irq_cmnvector.h
+++ b/arch/arm/include/armv7-m/irq_cmnvector.h
@@ -165,4 +165,3 @@
  ****************************************************************************/
 
 #endif /* __ARCH_ARM_INCLUDE_ARMV7_M_IRQ_CMNVECTOR_H */
-
diff --git a/arch/arm/include/armv7-m/irq_lazyfpu.h b/arch/arm/include/armv7-m/irq_lazyfpu.h
index 895d32befb..a50c68aa91 100644
--- a/arch/arm/include/armv7-m/irq_lazyfpu.h
+++ b/arch/arm/include/armv7-m/irq_lazyfpu.h
@@ -183,4 +183,3 @@
  ****************************************************************************/
 
 #endif /* __ARCH_ARM_INCLUDE_ARMV7_M_IRQ_LAZYFPU_H */
-
diff --git a/arch/arm/include/armv7-m/syscall.h b/arch/arm/include/armv7-m/syscall.h
index 56012edde2..5491b09d4f 100644
--- a/arch/arm/include/armv7-m/syscall.h
+++ b/arch/arm/include/armv7-m/syscall.h
@@ -261,4 +261,3 @@ extern "C"
 
 #endif /* __ASSEMBLY__ */
 #endif /* __ARCH_ARM_INCLUDE_ARMV7_M_SYSCALL_H */
-
diff --git a/arch/arm/include/c5471/irq.h b/arch/arm/include/c5471/irq.h
index f2a79ef0b1..9dec805e36 100644
--- a/arch/arm/include/c5471/irq.h
+++ b/arch/arm/include/c5471/irq.h
@@ -103,4 +103,3 @@ extern "C"
 #endif
 
 #endif /* __ARCH_ARM_INCLUDE_C5471_IRQ_H */
-
diff --git a/arch/arm/include/cxd56xx/irq.h b/arch/arm/include/cxd56xx/irq.h
index f3aa541d28..2155a494b6 100644
--- a/arch/arm/include/cxd56xx/irq.h
+++ b/arch/arm/include/cxd56xx/irq.h
@@ -254,4 +254,3 @@ extern "C"
 #endif
 
 #endif /* __ARCH_ARM_INCLUDE_CXD56XX_IRQ_H */
-
diff --git a/arch/arm/include/dm320/irq.h b/arch/arm/include/dm320/irq.h
index c48e58d1b7..d8c22d79f3 100644
--- a/arch/arm/include/dm320/irq.h
+++ b/arch/arm/include/dm320/irq.h
@@ -132,4 +132,3 @@ extern "C"
 #endif
 
 #endif /* __ARCH_ARM_INCLUDE_DM320_IRQ_H */
-
diff --git a/arch/arm/include/imx1/irq.h b/arch/arm/include/imx1/irq.h
index cb158c79f4..522371b367 100644
--- a/arch/arm/include/imx1/irq.h
+++ b/arch/arm/include/imx1/irq.h
@@ -162,4 +162,3 @@ extern "C"
 #endif
 
 #endif /* __ARCH_ARM_INCLUDE_IMX1_IRQ_H */
-
diff --git a/arch/arm/include/imx6/irq.h b/arch/arm/include/imx6/irq.h
index c73d08454c..3e6938b4b6 100644
--- a/arch/arm/include/imx6/irq.h
+++ b/arch/arm/include/imx6/irq.h
@@ -258,4 +258,3 @@ extern "C"
 #endif
 
 #endif /* __ARCH_ARM_INCLUDE_IMX6_IRQ_H */
-
diff --git a/arch/arm/include/irq.h b/arch/arm/include/irq.h
index f14d16431d..bb0b0edcb1 100644
--- a/arch/arm/include/irq.h
+++ b/arch/arm/include/irq.h
@@ -70,4 +70,3 @@
 #endif
 
 #endif /* __ARCH_ARM_INCLUDE_IRQ_H */
-
diff --git a/arch/arm/include/kinetis/irq.h b/arch/arm/include/kinetis/irq.h
index 1c7179d3bd..86c1987325 100644
--- a/arch/arm/include/kinetis/irq.h
+++ b/arch/arm/include/kinetis/irq.h
@@ -128,4 +128,3 @@ extern "C"
 #endif
 
 #endif /* __ARCH_ARM_INCLUDE_KINETIS_IRQ_H */
-
diff --git a/arch/arm/include/kl/irq.h b/arch/arm/include/kl/irq.h
index 2207f3c9f9..004b188ba0 100644
--- a/arch/arm/include/kl/irq.h
+++ b/arch/arm/include/kl/irq.h
@@ -207,4 +207,3 @@ extern "C"
 #endif
 
 #endif /* __ARCH_ARM_INCLUDE_KL_IRQ_H */
-
diff --git a/arch/arm/include/lpc17xx_40xx/lpc176x_irq.h b/arch/arm/include/lpc17xx_40xx/lpc176x_irq.h
index c91ddc78c1..33acd2a840 100644
--- a/arch/arm/include/lpc17xx_40xx/lpc176x_irq.h
+++ b/arch/arm/include/lpc17xx_40xx/lpc176x_irq.h
@@ -242,4 +242,3 @@
  ****************************************************************************/
 
 #endif /* __ARCH_ARM_INCLUDE_LPC17XX_40XX_LPC176X_IRQ_H */
-
diff --git a/arch/arm/include/lpc17xx_40xx/lpc178x_40xx_irq.h b/arch/arm/include/lpc17xx_40xx/lpc178x_40xx_irq.h
index b35ef750f5..49bf8831a3 100644
--- a/arch/arm/include/lpc17xx_40xx/lpc178x_40xx_irq.h
+++ b/arch/arm/include/lpc17xx_40xx/lpc178x_40xx_irq.h
@@ -288,4 +288,3 @@
  ****************************************************************************/
 
 #endif /* __ARCH_ARM_INCLUDE_LPC17XX_40XX_LPC178X_IRQ_H */
-
diff --git a/arch/arm/include/lpc214x/irq.h b/arch/arm/include/lpc214x/irq.h
index 852dd0c649..7598311be8 100644
--- a/arch/arm/include/lpc214x/irq.h
+++ b/arch/arm/include/lpc214x/irq.h
@@ -128,4 +128,3 @@ void up_detach_vector(int vector);
 #endif
 
 #endif /* __ARCH_ARM_INCLUDE_LPC214X_IRQ_H */
-
diff --git a/arch/arm/include/lpc31xx/irq.h b/arch/arm/include/lpc31xx/irq.h
index c67c5b1274..56cfe8f9a9 100644
--- a/arch/arm/include/lpc31xx/irq.h
+++ b/arch/arm/include/lpc31xx/irq.h
@@ -116,4 +116,3 @@ extern "C"
 #endif
 
 #endif /* __ARCH_ARM_INCLUDE_LPC31XX_IRQ_H */
-
diff --git a/arch/arm/include/lpc43xx/irq.h b/arch/arm/include/lpc43xx/irq.h
index 6441f020a0..db7d78acd2 100644
--- a/arch/arm/include/lpc43xx/irq.h
+++ b/arch/arm/include/lpc43xx/irq.h
@@ -222,4 +222,3 @@ extern "C"
 #endif
 
 #endif /* __ARCH_ARM_INCLUDE_LPC43XX_IRQ_H */
-
diff --git a/arch/arm/include/lpc54xx/irq.h b/arch/arm/include/lpc54xx/irq.h
index 2be395af16..4a83ce2158 100644
--- a/arch/arm/include/lpc54xx/irq.h
+++ b/arch/arm/include/lpc54xx/irq.h
@@ -109,4 +109,3 @@ extern "C"
 #endif
 
 #endif /* __ARCH_ARM_INCLUDE_LPC54XX_IRQ_H */
-
diff --git a/arch/arm/include/nuc1xx/chip.h b/arch/arm/include/nuc1xx/chip.h
index 0443f19a00..d643610360 100644
--- a/arch/arm/include/nuc1xx/chip.h
+++ b/arch/arm/include/nuc1xx/chip.h
@@ -674,4 +674,3 @@ extern "C"
 #endif /* __ASSEMBLY__ */
 
 #endif /* __ARCH_ARM_INCLUDE_NUC1XX_CHIP_H */
-
diff --git a/arch/arm/include/nuc1xx/irq.h b/arch/arm/include/nuc1xx/irq.h
index 26b0d8125f..3f5fd0f50c 100644
--- a/arch/arm/include/nuc1xx/irq.h
+++ b/arch/arm/include/nuc1xx/irq.h
@@ -107,4 +107,3 @@ extern "C"
 #endif /* __ASSEMBLY__ */
 
 #endif /* __ARCH_ARM_INCLUDE_NUC1XX_IRQ_H */
-
diff --git a/arch/arm/include/nuc1xx/nuc120_irq.h b/arch/arm/include/nuc1xx/nuc120_irq.h
index fa287c05d3..7b1f168814 100644
--- a/arch/arm/include/nuc1xx/nuc120_irq.h
+++ b/arch/arm/include/nuc1xx/nuc120_irq.h
@@ -113,4 +113,3 @@ extern "C"
 #endif /* __ASSEMBLY__ */
 
 #endif /* __ARCH_ARM_INCLUDE_NUC1XX_NUC120_IRQ_H */
-
diff --git a/arch/arm/include/s32k1xx/s32k14x_irq.h b/arch/arm/include/s32k1xx/s32k14x_irq.h
index 3182ca32a3..bc9245a4d9 100644
--- a/arch/arm/include/s32k1xx/s32k14x_irq.h
+++ b/arch/arm/include/s32k1xx/s32k14x_irq.h
@@ -224,4 +224,3 @@
 #define NR_IRQS                    S32K1XX_IRQ_NIRQS
 
 #endif /* __ARCH_ARM_INCLUDE_S32K1XX_S32K14XX_IRQ_H */
-
diff --git a/arch/arm/include/sam34/sam3u_irq.h b/arch/arm/include/sam34/sam3u_irq.h
index c1db5eb82a..3027f9717b 100644
--- a/arch/arm/include/sam34/sam3u_irq.h
+++ b/arch/arm/include/sam34/sam3u_irq.h
@@ -273,4 +273,3 @@ extern "C"
 #endif
 
 #endif /* __ARCH_ARM_INCLUDE_SAM34_SAM3U_IRQ_H */
-
diff --git a/arch/arm/include/sam34/sam3x_irq.h b/arch/arm/include/sam34/sam3x_irq.h
index ecfeee04f6..9acdeaa9c2 100644
--- a/arch/arm/include/sam34/sam3x_irq.h
+++ b/arch/arm/include/sam34/sam3x_irq.h
@@ -428,4 +428,3 @@ extern "C"
 #endif
 
 #endif /* __ARCH_ARM_INCLUDE_SAM34_SAM3X_IRQ_H */
-
diff --git a/arch/arm/include/sam34/sam4l_irq.h b/arch/arm/include/sam34/sam4l_irq.h
index 8bfed9df7b..b715dd9fbb 100644
--- a/arch/arm/include/sam34/sam4l_irq.h
+++ b/arch/arm/include/sam34/sam4l_irq.h
@@ -334,4 +334,3 @@ extern "C"
 #endif
 
 #endif /* __ARCH_ARM_INCLUDE_SAM34_SAM4L_IRQ_H */
-
diff --git a/arch/arm/include/sam34/sam4s_irq.h b/arch/arm/include/sam34/sam4s_irq.h
index 4f3d648056..cc63c36807 100644
--- a/arch/arm/include/sam34/sam4s_irq.h
+++ b/arch/arm/include/sam34/sam4s_irq.h
@@ -284,4 +284,3 @@ extern "C"
 #endif
 
 #endif /* __ARCH_ARM_INCLUDE_SAM34_SAM4S_IRQ_H */
-
diff --git a/arch/arm/include/sama5/irq.h b/arch/arm/include/sama5/irq.h
index 864f802d95..078d73db5f 100644
--- a/arch/arm/include/sama5/irq.h
+++ b/arch/arm/include/sama5/irq.h
@@ -92,4 +92,3 @@ extern "C"
 #endif
 
 #endif /* __ARCH_ARM_INCLUDE_SAMA5_IRQ_H */
-
diff --git a/arch/arm/include/stm32/irq.h b/arch/arm/include/stm32/irq.h
index 54e2d0f295..1394160824 100644
--- a/arch/arm/include/stm32/irq.h
+++ b/arch/arm/include/stm32/irq.h
@@ -123,4 +123,3 @@ extern "C"
 #endif
 
 #endif /* __ARCH_ARM_INCLUDE_STM32_IRQ_H */
-
diff --git a/arch/arm/include/stm32/stm32f10xxx_irq.h b/arch/arm/include/stm32/stm32f10xxx_irq.h
index 5c7ecffe32..99e9b7c442 100644
--- a/arch/arm/include/stm32/stm32f10xxx_irq.h
+++ b/arch/arm/include/stm32/stm32f10xxx_irq.h
@@ -310,4 +310,3 @@ extern "C"
 #endif
 
 #endif /* __ARCH_ARM_INCLUDE_STM32_STM32F10XXX_IRQ_H */
-
diff --git a/arch/arm/include/stm32/stm32f20xxx_irq.h b/arch/arm/include/stm32/stm32f20xxx_irq.h
index db9f2709ec..057aebd0fe 100644
--- a/arch/arm/include/stm32/stm32f20xxx_irq.h
+++ b/arch/arm/include/stm32/stm32f20xxx_irq.h
@@ -181,4 +181,3 @@ extern "C"
 #endif
 
 #endif /* __ARCH_ARM_INCLUDE_STM32_STM32F20XXX_IRQ_H */
-
diff --git a/arch/arm/include/stm32/stm32f30xxx_irq.h b/arch/arm/include/stm32/stm32f30xxx_irq.h
index a9fea7bd92..5c80db1a9c 100644
--- a/arch/arm/include/stm32/stm32f30xxx_irq.h
+++ b/arch/arm/include/stm32/stm32f30xxx_irq.h
@@ -192,4 +192,3 @@ extern "C"
 #endif
 
 #endif /* __ARCH_ARM_INCLUDE_STM32_STM32F30XXX_IRQ_H */
-
diff --git a/arch/arm/include/stm32/stm32f37xxx_irq.h b/arch/arm/include/stm32/stm32f37xxx_irq.h
index d02f981470..b2fea8264d 100644
--- a/arch/arm/include/stm32/stm32f37xxx_irq.h
+++ b/arch/arm/include/stm32/stm32f37xxx_irq.h
@@ -178,4 +178,3 @@ extern "C"
 #endif
 
 #endif /* __ARCH_ARM_INCLUDE_STM32F30XXX_IRQ_H */
-
diff --git a/arch/arm/include/stm32/stm32l15xxx_irq.h b/arch/arm/include/stm32/stm32l15xxx_irq.h
index 0c3a568324..1b3a06b7c2 100644
--- a/arch/arm/include/stm32/stm32l15xxx_irq.h
+++ b/arch/arm/include/stm32/stm32l15xxx_irq.h
@@ -271,4 +271,3 @@ extern "C"
 #endif
 
 #endif /* __ARCH_ARM_INCLUDE_STM32_STM32FL15XXX_IRQ_H */
-
diff --git a/arch/arm/include/stm32f7/irq.h b/arch/arm/include/stm32f7/irq.h
index 19e2596f7d..9bc5633a09 100644
--- a/arch/arm/include/stm32f7/irq.h
+++ b/arch/arm/include/stm32f7/irq.h
@@ -115,4 +115,3 @@ extern "C"
 #endif
 
 #endif /* __ARCH_ARM_INCLUDE_STM32F7_IRQ_H */
-
diff --git a/arch/arm/include/stm32f7/stm32f72xx73xx_irq.h b/arch/arm/include/stm32f7/stm32f72xx73xx_irq.h
index 0bad27ed49..fdf25c5813 100644
--- a/arch/arm/include/stm32f7/stm32f72xx73xx_irq.h
+++ b/arch/arm/include/stm32f7/stm32f72xx73xx_irq.h
@@ -194,4 +194,3 @@ extern "C"
 #endif
 
 #endif /* __ARCH_ARM_INCLUDE_STM32F7_STM32F72XX73XX_IRQ_H */
-
diff --git a/arch/arm/include/stm32f7/stm32f74xx75xx_irq.h b/arch/arm/include/stm32f7/stm32f74xx75xx_irq.h
index 40e7647003..234511ff44 100644
--- a/arch/arm/include/stm32f7/stm32f74xx75xx_irq.h
+++ b/arch/arm/include/stm32f7/stm32f74xx75xx_irq.h
@@ -199,4 +199,3 @@ extern "C"
 #endif
 
 #endif /* __ARCH_ARM_INCLUDE_STM32F7_STM32F74XX75XX_IRQ_H */
-
diff --git a/arch/arm/include/stm32l4/irq.h b/arch/arm/include/stm32l4/irq.h
index 035e419035..e84cf72b3c 100644
--- a/arch/arm/include/stm32l4/irq.h
+++ b/arch/arm/include/stm32l4/irq.h
@@ -116,4 +116,3 @@ extern "C"
 #endif
 
 #endif /* __ARCH_ARM_INCLUDE_STM32L4_IRQ_H */
-
diff --git a/arch/arm/include/stm32l4/stm32l4xrxx_irq.h b/arch/arm/include/stm32l4/stm32l4xrxx_irq.h
index ff81c3760d..9182f05f1e 100644
--- a/arch/arm/include/stm32l4/stm32l4xrxx_irq.h
+++ b/arch/arm/include/stm32l4/stm32l4xrxx_irq.h
@@ -190,4 +190,3 @@ extern "C"
 #endif
 
 #endif /* __ARCH_ARM_INCLUDE_STM32L4_STM32L4XRXX_IRQ_H */
-
diff --git a/arch/arm/include/str71x/irq.h b/arch/arm/include/str71x/irq.h
index 08f64d4706..3f6d3333a5 100644
--- a/arch/arm/include/str71x/irq.h
+++ b/arch/arm/include/str71x/irq.h
@@ -149,4 +149,3 @@ extern "C"
 #endif /* __ASSEMBLY__ */
 
 #endif /* __ARCH_ARM_INCLUDE_STR71X_IRQ_H */
-
diff --git a/arch/arm/include/syscall.h b/arch/arm/include/syscall.h
index 7018d3e237..b6725ceca5 100644
--- a/arch/arm/include/syscall.h
+++ b/arch/arm/include/syscall.h
@@ -94,4 +94,3 @@ extern "C"
 #endif
 
 #endif /* __ARCH_ARM_INCLUDE_SYSCALL_H */
-
diff --git a/arch/arm/include/tiva/lm4f_irq.h b/arch/arm/include/tiva/lm4f_irq.h
index b652e41a4e..69ae1542dc 100644
--- a/arch/arm/include/tiva/lm4f_irq.h
+++ b/arch/arm/include/tiva/lm4f_irq.h
@@ -373,4 +373,3 @@ extern "C"
 #endif
 
 #endif /* __ARCH_ARM_INCLUDE_TIVA_LM4F_IRQ_H */
-
diff --git a/arch/arm/include/tiva/tm4c_irq.h b/arch/arm/include/tiva/tm4c_irq.h
index ac49a38b7b..e56a1327a6 100644
--- a/arch/arm/include/tiva/tm4c_irq.h
+++ b/arch/arm/include/tiva/tm4c_irq.h
@@ -1083,4 +1083,3 @@ extern "C"
 #endif
 
 #endif /* __ARCH_ARM_INCLUDE_TIVA_TM4C_IRQ_H */
-
diff --git a/arch/arm/include/tms570/tms570ls04x03x_irq.h b/arch/arm/include/tms570/tms570ls04x03x_irq.h
index 9a7543215c..10829e0a27 100644
--- a/arch/arm/include/tms570/tms570ls04x03x_irq.h
+++ b/arch/arm/include/tms570/tms570ls04x03x_irq.h
@@ -169,4 +169,3 @@ extern "C"
 #endif
 
 #endif /* __ARCH_ARM_INCLUDE_TMS570_TMS570LS04X03X_IRQ_H */
-
diff --git a/arch/arm/include/xmc4/irq.h b/arch/arm/include/xmc4/irq.h
index 10fc176a43..6cc34d6f18 100644
--- a/arch/arm/include/xmc4/irq.h
+++ b/arch/arm/include/xmc4/irq.h
@@ -117,4 +117,3 @@ extern "C"
 #endif
 
 #endif /* __ARCH_ARM_INCLUDE_XMC4_IRQ_H */
-
diff --git a/arch/arm/src/am335x/am335x_wdog.c b/arch/arm/src/am335x/am335x_wdog.c
index 8d98d9946b..4fd948eeac 100644
--- a/arch/arm/src/am335x/am335x_wdog.c
+++ b/arch/arm/src/am335x/am335x_wdog.c
@@ -68,4 +68,3 @@ void am335x_wdog_disable_all(void)
     {
     }
 }
-
diff --git a/arch/arm/src/am335x/hardware/am335x_uart.h b/arch/arm/src/am335x/hardware/am335x_uart.h
index f5c6face9e..216d5db59f 100644
--- a/arch/arm/src/am335x/hardware/am335x_uart.h
+++ b/arch/arm/src/am335x/hardware/am335x_uart.h
@@ -402,4 +402,3 @@
 #define UART_EFR_AUTOCTSEN           (1 << 7)  /* Bit 7: Enable Auto-CTS */
 
 #endif /* __ARCH_ARM_SRC_AM335X_HARDWARE_AM335X_UART_H */
-
diff --git a/arch/arm/src/am335x/hardware/am335x_wdog.h b/arch/arm/src/am335x/hardware/am335x_wdog.h
index 514a70edb7..b91e5caaa2 100644
--- a/arch/arm/src/am335x/hardware/am335x_wdog.h
+++ b/arch/arm/src/am335x/hardware/am335x_wdog.h
@@ -130,4 +130,3 @@
 #define WDT_SPR_STOP_FEED_B             (0x00005555)
 
 #endif /* __ARCH_ARM_SRC_AM335X_HARDWARE_AM335X_WDOG_H */
-
diff --git a/arch/arm/src/arm/pg_macros.h b/arch/arm/src/arm/pg_macros.h
index 94263c7eb5..79824e39f6 100644
--- a/arch/arm/src/arm/pg_macros.h
+++ b/arch/arm/src/arm/pg_macros.h
@@ -486,7 +486,7 @@
 	/* Write the value into the L1 table at the correct offset.
 	 * (and increment the L1 table address by 4)
 	 */
-	
+
 	str	\tmp, [\l1], #4
 
 	/* Update the L2 page table address for the next L1 table entry. */
diff --git a/arch/arm/src/arm/up_copyfullstate.c b/arch/arm/src/arm/up_copyfullstate.c
index 5a60f7a1a6..cc88203adf 100644
--- a/arch/arm/src/arm/up_copyfullstate.c
+++ b/arch/arm/src/arm/up_copyfullstate.c
@@ -79,4 +79,3 @@ void up_copyfullstate(uint32_t *dest, uint32_t *src)
       *dest++ = *src++;
     }
 }
-
diff --git a/arch/arm/src/arm/up_fullcontextrestore.S b/arch/arm/src/arm/up_fullcontextrestore.S
index 2deef8cd1f..e393c83a9e 100644
--- a/arch/arm/src/arm/up_fullcontextrestore.S
+++ b/arch/arm/src/arm/up_fullcontextrestore.S
@@ -109,4 +109,3 @@ up_fullcontextrestore:
 
 	ldmia	sp!, {r0-r1, r15}
 	.size up_fullcontextrestore, . - up_fullcontextrestore
-
diff --git a/arch/arm/src/arm/up_head.S b/arch/arm/src/arm/up_head.S
index 3b55970815..636bcea2e9 100644
--- a/arch/arm/src/arm/up_head.S
+++ b/arch/arm/src/arm/up_head.S
@@ -387,7 +387,7 @@ __start:
 	 */
 
 	orr		r0, r0, #(CR_M|CR_P|CR_D)
-	
+
 	/* In most architectures, vectors are relocated to 0xffff0000.
 	 * -- but not all
 	 *
@@ -437,7 +437,7 @@ __start:
  ****************************************************************************/
 
 	/* Most addresses are all virtual address */
-	
+
 	.type	.LCvstart, %object
 .LCvstart:
 	.long	.Lvstart
@@ -583,7 +583,7 @@ __start:
 
 	mov		fp, #0
 
-.Lbssinit:	
+.Lbssinit:
 	cmp		r0, r1					/* Clear up to _bss_end_ */
 	strcc	fp, [r0],#4
 	bcc		.Lbssinit
diff --git a/arch/arm/src/arm/up_initialstate.c b/arch/arm/src/arm/up_initialstate.c
index 8c435c5cde..7b76abe56a 100644
--- a/arch/arm/src/arm/up_initialstate.c
+++ b/arch/arm/src/arm/up_initialstate.c
@@ -143,4 +143,3 @@ void up_initial_state(struct tcb_s *tcb)
 
   xcp->regs[REG_CPSR]    = cpsr;
 }
-
diff --git a/arch/arm/src/arm/up_saveusercontext.S b/arch/arm/src/arm/up_saveusercontext.S
index bb812e53a2..064c5549c5 100644
--- a/arch/arm/src/arm/up_saveusercontext.S
+++ b/arch/arm/src/arm/up_saveusercontext.S
@@ -116,4 +116,3 @@ up_saveusercontext:
 	mov	r0, #0		/* Return value == 0 */
 	mov	pc, lr		/* Return */
 	.size	up_saveusercontext, . - up_saveusercontext
-
diff --git a/arch/arm/src/armv6-m/exc_return.h b/arch/arm/src/armv6-m/exc_return.h
index 4a78294283..ced08659cf 100644
--- a/arch/arm/src/armv6-m/exc_return.h
+++ b/arch/arm/src/armv6-m/exc_return.h
@@ -101,4 +101,3 @@
  ************************************************************************************/
 
 #endif  /* __ARCH_ARM_SRC_ARMV6_M_EXC_RETURN_H */
-
diff --git a/arch/arm/src/armv6-m/svcall.h b/arch/arm/src/armv6-m/svcall.h
index c3e849394e..f08d078739 100644
--- a/arch/arm/src/armv6-m/svcall.h
+++ b/arch/arm/src/armv6-m/svcall.h
@@ -143,4 +143,3 @@
  ************************************************************************************/
 
 #endif  /* __ARCH_ARM_SRC_ARMV6_M_SVCALL_H */
-
diff --git a/arch/arm/src/armv6-m/up_copyfullstate.c b/arch/arm/src/armv6-m/up_copyfullstate.c
index 0699462d8b..bb9bf0a537 100644
--- a/arch/arm/src/armv6-m/up_copyfullstate.c
+++ b/arch/arm/src/armv6-m/up_copyfullstate.c
@@ -83,4 +83,3 @@ void up_copyfullstate(uint32_t *dest, uint32_t *src)
         }
     }
 }
-
diff --git a/arch/arm/src/armv6-m/up_exception.S b/arch/arm/src/armv6-m/up_exception.S
index 5a9d5d8a68..972b432b1c 100644
--- a/arch/arm/src/armv6-m/up_exception.S
+++ b/arch/arm/src/armv6-m/up_exception.S
@@ -278,4 +278,3 @@ g_intstackbase:
 #endif
 
 	.end
-
diff --git a/arch/arm/src/armv6-m/up_fullcontextrestore.S b/arch/arm/src/armv6-m/up_fullcontextrestore.S
index 4ec6a32a7e..d59990acc8 100644
--- a/arch/arm/src/armv6-m/up_fullcontextrestore.S
+++ b/arch/arm/src/armv6-m/up_fullcontextrestore.S
@@ -93,4 +93,3 @@ up_fullcontextrestore:
 	bx		lr							/* Unnecessary ... will not return */
 	.size	up_fullcontextrestore, .-up_fullcontextrestore
 	.end
-
diff --git a/arch/arm/src/armv6-m/up_saveusercontext.S b/arch/arm/src/armv6-m/up_saveusercontext.S
index 55e6461b2b..0692bafe0a 100644
--- a/arch/arm/src/armv6-m/up_saveusercontext.S
+++ b/arch/arm/src/armv6-m/up_saveusercontext.S
@@ -103,4 +103,3 @@ up_saveusercontext:
 									 * context switch with r0=1 */
 	.size	up_saveusercontext, .-up_saveusercontext
 	.end
-
diff --git a/arch/arm/src/armv6-m/up_switchcontext.S b/arch/arm/src/armv6-m/up_switchcontext.S
index dc5aca9169..f5afab826c 100644
--- a/arch/arm/src/armv6-m/up_switchcontext.S
+++ b/arch/arm/src/armv6-m/up_switchcontext.S
@@ -95,4 +95,3 @@ up_switchcontext:
 	bx		lr
 	.size	up_switchcontext, .-up_switchcontext
 	.end
-
diff --git a/arch/arm/src/armv6-m/up_systemreset.c b/arch/arm/src/armv6-m/up_systemreset.c
index 853b80e6b0..cdb539d487 100644
--- a/arch/arm/src/armv6-m/up_systemreset.c
+++ b/arch/arm/src/armv6-m/up_systemreset.c
@@ -79,4 +79,3 @@ void up_systemreset(void)
 
   for (; ; );
 }
-
diff --git a/arch/arm/src/armv6-m/vfork.S b/arch/arm/src/armv6-m/vfork.S
index 5daa836214..7055170319 100644
--- a/arch/arm/src/armv6-m/vfork.S
+++ b/arch/arm/src/armv6-m/vfork.S
@@ -140,4 +140,3 @@ vfork:
 	bx		lr
 	.size	vfork, .-vfork
 	.end
-
diff --git a/arch/arm/src/armv7-a/arm_restorefpu.S b/arch/arm/src/armv7-a/arm_restorefpu.S
index edebcecae2..b35e03fb19 100644
--- a/arch/arm/src/armv7-a/arm_restorefpu.S
+++ b/arch/arm/src/armv7-a/arm_restorefpu.S
@@ -101,4 +101,3 @@ up_restorefpu:
 	.size	up_restorefpu, .-up_restorefpu
 #endif /* CONFIG_ARCH_FPU */
 	.end
-
diff --git a/arch/arm/src/armv7-m/exc_return.h b/arch/arm/src/armv7-m/exc_return.h
index f55826de1f..3abc81a39f 100644
--- a/arch/arm/src/armv7-m/exc_return.h
+++ b/arch/arm/src/armv7-m/exc_return.h
@@ -117,4 +117,3 @@
  ************************************************************************************/
 
 #endif  /* __ARCH_ARM_SRC_ARMV7_M_EXC_RETURN_H */
-
diff --git a/arch/arm/src/armv7-m/gnu/up_exception.S b/arch/arm/src/armv7-m/gnu/up_exception.S
index aeb8ac4cd6..96db37101b 100644
--- a/arch/arm/src/armv7-m/gnu/up_exception.S
+++ b/arch/arm/src/armv7-m/gnu/up_exception.S
@@ -329,4 +329,3 @@ g_intstackbase:
 #endif
 
 	.end
-
diff --git a/arch/arm/src/armv7-m/gnu/up_fpu.S b/arch/arm/src/armv7-m/gnu/up_fpu.S
index 6c9dd28fba..356a9281b4 100644
--- a/arch/arm/src/armv7-m/gnu/up_fpu.S
+++ b/arch/arm/src/armv7-m/gnu/up_fpu.S
@@ -283,4 +283,3 @@ up_restorefpu:
 	.size	up_restorefpu, .-up_restorefpu
 #endif /* CONFIG_ARCH_FPU */
 	.end
-
diff --git a/arch/arm/src/armv7-m/gnu/up_fullcontextrestore.S b/arch/arm/src/armv7-m/gnu/up_fullcontextrestore.S
index 7b5171a449..92b929ee42 100644
--- a/arch/arm/src/armv7-m/gnu/up_fullcontextrestore.S
+++ b/arch/arm/src/armv7-m/gnu/up_fullcontextrestore.S
@@ -92,4 +92,3 @@ up_fullcontextrestore:
 	bx		lr							/* Unnecessary ... will not return */
 	.size	up_fullcontextrestore, .-up_fullcontextrestore
 	.end
-
diff --git a/arch/arm/src/armv7-m/gnu/up_switchcontext.S b/arch/arm/src/armv7-m/gnu/up_switchcontext.S
index 7c72411d3e..da975f702c 100644
--- a/arch/arm/src/armv7-m/gnu/up_switchcontext.S
+++ b/arch/arm/src/armv7-m/gnu/up_switchcontext.S
@@ -94,4 +94,3 @@ up_switchcontext:
 	bx		lr
 	.size	up_switchcontext, .-up_switchcontext
 	.end
-
diff --git a/arch/arm/src/armv7-m/gnu/vfork.S b/arch/arm/src/armv7-m/gnu/vfork.S
index 154a65b709..462fa4cae2 100644
--- a/arch/arm/src/armv7-m/gnu/vfork.S
+++ b/arch/arm/src/armv7-m/gnu/vfork.S
@@ -139,4 +139,3 @@ vfork:
 	bx		lr
 	.size	vfork, .-vfork
 	.end
-
diff --git a/arch/arm/src/armv7-m/mpu.h b/arch/arm/src/armv7-m/mpu.h
index 6bdd8d9ad2..3044cb76fa 100644
--- a/arch/arm/src/armv7-m/mpu.h
+++ b/arch/arm/src/armv7-m/mpu.h
@@ -501,4 +501,3 @@ static inline void mpu_user_peripheral(uintptr_t base, size_t size)
 
 #endif  /* __ASSEMBLY__ */
 #endif  /* __ARCH_ARM_SRC_ARMV7M_MPU_H */
-
diff --git a/arch/arm/src/armv7-m/up_vectors.c b/arch/arm/src/armv7-m/up_vectors.c
index fcdd380a4d..3644154a4b 100644
--- a/arch/arm/src/armv7-m/up_vectors.c
+++ b/arch/arm/src/armv7-m/up_vectors.c
@@ -90,4 +90,3 @@ unsigned _vectors[] __attribute__((section(".vectors"))) =
 
   [2 ... (15 + ARMV7M_PERIPHERAL_INTERRUPTS)] = (unsigned)&exception_common
 };
-
diff --git a/arch/arm/src/c5471/Kconfig b/arch/arm/src/c5471/Kconfig
index 937aa246a5..17b615a097 100644
--- a/arch/arm/src/c5471/Kconfig
+++ b/arch/arm/src/c5471/Kconfig
@@ -110,4 +110,3 @@ config C5471_BASET10
 	bool "10BaseT FullDuplex"
 
 endchoice
-
diff --git a/arch/arm/src/c5471/c5471_lowputc.S b/arch/arm/src/c5471/c5471_lowputc.S
index 29453f1081..daad835b40 100644
--- a/arch/arm/src/c5471/c5471_lowputc.S
+++ b/arch/arm/src/c5471/c5471_lowputc.S
@@ -126,4 +126,3 @@ up_lowputc:
 	/* And return */
 
 	mov     pc, lr
-
diff --git a/arch/arm/src/c5471/c5471_serial.c b/arch/arm/src/c5471/c5471_serial.c
index 66ce7b7efb..7ae1c2874a 100644
--- a/arch/arm/src/c5471/c5471_serial.c
+++ b/arch/arm/src/c5471/c5471_serial.c
@@ -860,4 +860,3 @@ int up_putc(int ch)
   up_restoreuartint(priv, ier);
   return ch;
 }
-
diff --git a/arch/arm/src/common/up_idle.c b/arch/arm/src/common/up_idle.c
index fd08516920..45fab0b7c6 100644
--- a/arch/arm/src/common/up_idle.c
+++ b/arch/arm/src/common/up_idle.c
@@ -76,4 +76,3 @@ void up_idle(void)
 #endif
 #endif
 }
-
diff --git a/arch/arm/src/common/up_puts.c b/arch/arm/src/common/up_puts.c
index 35dc603de0..9b64f9e5a4 100644
--- a/arch/arm/src/common/up_puts.c
+++ b/arch/arm/src/common/up_puts.c
@@ -61,4 +61,3 @@ void up_puts(const char *str)
       up_putc(*str++);
     }
 }
-
diff --git a/arch/arm/src/dm320/dm320_lowputc.S b/arch/arm/src/dm320/dm320_lowputc.S
index 8df578bb33..9e23e410aa 100644
--- a/arch/arm/src/dm320/dm320_lowputc.S
+++ b/arch/arm/src/dm320/dm320_lowputc.S
@@ -127,4 +127,3 @@ up_lowputc:
 	/* And return */
 
 	mov     pc, lr
-
diff --git a/arch/arm/src/dm320/dm320_restart.S b/arch/arm/src/dm320/dm320_restart.S
index a24fab8010..4fef7491ab 100644
--- a/arch/arm/src/dm320/dm320_restart.S
+++ b/arch/arm/src/dm320/dm320_restart.S
@@ -135,4 +135,3 @@ up_phyrestart:
 	.size	up_restart, .-up_restart
 
 	.end
-
diff --git a/arch/arm/src/dm320/dm320_serial.c b/arch/arm/src/dm320/dm320_serial.c
index a5d74e7a65..8492cf754f 100644
--- a/arch/arm/src/dm320/dm320_serial.c
+++ b/arch/arm/src/dm320/dm320_serial.c
@@ -829,5 +829,3 @@ int up_putc(int ch)
 }
 
 #endif /* USE_SERIALDRIVER */
-
-
diff --git a/arch/arm/src/dm320/dm320_timerisr.c b/arch/arm/src/dm320/dm320_timerisr.c
index 50abbceb70..936ecf04aa 100644
--- a/arch/arm/src/dm320/dm320_timerisr.c
+++ b/arch/arm/src/dm320/dm320_timerisr.c
@@ -150,4 +150,3 @@ void arm_timer_initialize(void)
   irq_attach(DM320_IRQ_SYSTIMER, (xcpt_t)dm320_timerisr, NULL);
   up_enable_irq(DM320_IRQ_SYSTIMER);
 }
-
diff --git a/arch/arm/src/dm320/dm320_usbdev.c b/arch/arm/src/dm320/dm320_usbdev.c
index 8a931246e9..ced1c3dec1 100644
--- a/arch/arm/src/dm320/dm320_usbdev.c
+++ b/arch/arm/src/dm320/dm320_usbdev.c
@@ -2624,5 +2624,3 @@ int usbdev_unregister(FAR struct usbdevclass_driver_s *driver)
   g_usbdev.driver = NULL;
   return OK;
 }
-
-
diff --git a/arch/arm/src/efm32/efm32_adc.h b/arch/arm/src/efm32/efm32_adc.h
index 1103d84e90..a95cfb479a 100644
--- a/arch/arm/src/efm32/efm32_adc.h
+++ b/arch/arm/src/efm32/efm32_adc.h
@@ -588,4 +588,3 @@ struct adc_dev_s *efm32_adcinitialize(int intf, const uint8_t *chanlist,
 
 #endif /* CONFIG_EFM32_ADC || CONFIG_EFM32_ADC2 || CONFIG_EFM32_ADC3 */
 #endif /* __ARCH_ARM_SRC_EFM32_EFM32_ADC_H */
-
diff --git a/arch/arm/src/efm32/efm32_rtc.h b/arch/arm/src/efm32/efm32_rtc.h
index 0bedb9f696..f1faf5c0c2 100644
--- a/arch/arm/src/efm32/efm32_rtc.h
+++ b/arch/arm/src/efm32/efm32_rtc.h
@@ -93,4 +93,3 @@ int efm32_rtc_cancelalarm(void);
 #endif
 
 #endif /* __ARCH_ARM_SRC_EFM32_EFM32_RTC_H */
-
diff --git a/arch/arm/src/efm32/efm32_timer.h b/arch/arm/src/efm32/efm32_timer.h
index ebafbef1dd..afc6b11a32 100644
--- a/arch/arm/src/efm32/efm32_timer.h
+++ b/arch/arm/src/efm32/efm32_timer.h
@@ -52,4 +52,3 @@ void efm32_timer_dumpregs(uintptr_t base, FAR const char *msg);
 int efm32_timer_set_freq(uintptr_t base, uint32_t clk_freq, uint32_t freq);
 
 #endif /* __ARCH_ARM_SRC_EFM32_EFM32_TIMER_H */
-
diff --git a/arch/arm/src/imx1/imx_lowputc.S b/arch/arm/src/imx1/imx_lowputc.S
index 6eae14ac9d..4ed54701a0 100644
--- a/arch/arm/src/imx1/imx_lowputc.S
+++ b/arch/arm/src/imx1/imx_lowputc.S
@@ -127,4 +127,3 @@ up_lowputc:
 
 	mov     pc, lr
 	.end
-
diff --git a/arch/arm/src/imx1/imx_serial.c b/arch/arm/src/imx1/imx_serial.c
index 94b7ef3073..ab0f500895 100644
--- a/arch/arm/src/imx1/imx_serial.c
+++ b/arch/arm/src/imx1/imx_serial.c
@@ -1246,5 +1246,3 @@ int up_putc(int ch)
 }
 
 #endif /* USE_SERIALDRIVER */
-
-
diff --git a/arch/arm/src/imx1/imx_timerisr.c b/arch/arm/src/imx1/imx_timerisr.c
index 729326cfb0..4d39962bf9 100644
--- a/arch/arm/src/imx1/imx_timerisr.c
+++ b/arch/arm/src/imx1/imx_timerisr.c
@@ -153,4 +153,3 @@ void arm_timer_initialize(void)
   irq_attach(IMX_IRQ_SYSTIMER, (xcpt_t)imx_timerisr, NULL);
   up_enable_irq(IMX_IRQ_SYSTIMER);
 }
-
diff --git a/arch/arm/src/imxrt/Kconfig b/arch/arm/src/imxrt/Kconfig
index 50b7f3b6f4..0e1518ff94 100644
--- a/arch/arm/src/imxrt/Kconfig
+++ b/arch/arm/src/imxrt/Kconfig
@@ -1400,4 +1400,3 @@ endmenu # USB host controller driver (HCD) options
 endif # IMXRT_USBOTG && USBHOST
 
 endif # ARCH_CHIP_IMXRT
-
diff --git a/arch/arm/src/imxrt/hardware/imxrt_daisy.h b/arch/arm/src/imxrt/hardware/imxrt_daisy.h
index 3ea0641cd7..b5f335f693 100644
--- a/arch/arm/src/imxrt/hardware/imxrt_daisy.h
+++ b/arch/arm/src/imxrt/hardware/imxrt_daisy.h
@@ -59,4 +59,3 @@
 void imxrt_daisy_select(unsigned int index, unsigned int alt);
 
 #endif  /* __ARCH_ARM_SRC_IMXRT_HARDWARE_IMXRT_DAISY_H */
-
diff --git a/arch/arm/src/imxrt/hardware/imxrt_src.h b/arch/arm/src/imxrt/hardware/imxrt_src.h
index 7458139332..a4b6a9da70 100644
--- a/arch/arm/src/imxrt/hardware/imxrt_src.h
+++ b/arch/arm/src/imxrt/hardware/imxrt_src.h
@@ -154,4 +154,3 @@
  */
 
 #endif /* __ARCH_ARM_SRC_IMXRT_HARDWARE_IMXRT_SRC_H */
-
diff --git a/arch/arm/src/imxrt/hardware/rt102x/imxrt102x_pinmux.h b/arch/arm/src/imxrt/hardware/rt102x/imxrt102x_pinmux.h
index fa8547a2ae..68c3d3825a 100644
--- a/arch/arm/src/imxrt/hardware/rt102x/imxrt102x_pinmux.h
+++ b/arch/arm/src/imxrt/hardware/rt102x/imxrt102x_pinmux.h
@@ -61,7 +61,7 @@
  *
  * The driver will then automatically configure to use the AD_B1_04 pin
  * for LPUART1 CTS.
- * 
+ *
  * Note that a suffix is *still* given even if there's only one option
  * for a pin. This means it must be explicitly configured with other
  * decorations like the IOMUX options. Default iomux options can be
@@ -404,7 +404,7 @@
 #define GPIO_JTAG_TCK_1                (GPIO_PERIPH | GPIO_ALT0 | GPIO_PADMUX(IMXRT_PADMUX_GPIO_AD_B0_01_INDEX))
 #define GPIO_JTAG_TDI_1                (GPIO_PERIPH | GPIO_ALT0 | GPIO_PADMUX(IMXRT_PADMUX_GPIO_AD_B0_3_INDEX))
 #define GPIO_JTAG_TDO_1                (GPIO_PERIPH | GPIO_ALT0 | GPIO_PADMUX(IMXRT_PADMUX_GPIO_AD_B0_04_INDEX))
-#define GPIO_JTAG_TMS_1                (GPIO_PERIPH | GPIO_ALT0 | GPIO_PADMUX(IMXRT_PADMUX_GPIO_AD_B0_00_INDEX)) 
+#define GPIO_JTAG_TMS_1                (GPIO_PERIPH | GPIO_ALT0 | GPIO_PADMUX(IMXRT_PADMUX_GPIO_AD_B0_00_INDEX))
 #define GPIO_JTAG_TRSTB_1              (GPIO_PERIPH | GPIO_ALT0 | GPIO_PADMUX(IMXRT_PADMUX_GPIO_AD_B0_05_INDEX))
 
 /* Keypad Port (KPP) */
@@ -439,7 +439,7 @@
 #define GPIO_LPI2C1_HREQ_1             (GPIO_PERIPH | GPIO_ALT0 | GPIO_PADMUX(IMXRT_PADMUX_GPIO_AD_B1_13_INDEX))
 #define GPIO_LPI2C1_SCL_1              (GPIO_PERIPH | GPIO_ALT0 | GPIO_PADMUX(IMXRT_PADMUX_GPIO_AD_B1_14_INDEX))
 #define GPIO_LPI2C1_SCL_2              (GPIO_PERIPH | GPIO_ALT6 | GPIO_PADMUX(IMXRT_PADMUX_GPIO_EMC_02_INDEX))
-                                       
+
 #define GPIO_LPI2C1_SDA_1              (GPIO_PERIPH | GPIO_ALT0 | GPIO_PADMUX(IMXRT_PADMUX_GPIO_AD_B1_15_INDEX))
 #define GPIO_LPI2C1_SDA_2              (GPIO_PERIPH | GPIO_ALT6 | GPIO_PADMUX(IMXRT_PADMUX_GPIO_EMC_03_INDEX))
 
@@ -483,7 +483,7 @@
 #define GPIO_LPSPI2_SCK_3              (GPIO_PERIPH | GPIO_ALT4 | GPIO_PADMUX(IMXRT_PADMUX_GPIO_SD_B1_07_INDEX))
 #define GPIO_LPSPI2_SDI_1              (GPIO_PERIPH | GPIO_ALT4 | GPIO_PADMUX(IMXRT_PADMUX_GPIO_EMC_03_INDEX))
 #define GPIO_LPSPI2_SDI_2              (GPIO_PERIPH | GPIO_ALT4 | GPIO_PADMUX(IMXRT_PADMUX_GPIO_EMC_13_INDEX))
-#define GPIO_LPSPI2_SDI_3              (GPIO_PERIPH | GPIO_ALT4 | GPIO_PADMUX(IMXRT_PADMUX_GPIO_SD_B1_09_INDEX))  
+#define GPIO_LPSPI2_SDI_3              (GPIO_PERIPH | GPIO_ALT4 | GPIO_PADMUX(IMXRT_PADMUX_GPIO_SD_B1_09_INDEX))
 #define GPIO_LPSPI2_SDO_1              (GPIO_PERIPH | GPIO_ALT4 | GPIO_PADMUX(IMXRT_PADMUX_GPIO_EMC_02_INDEX))
 #define GPIO_LPSPI2_SDO_2              (GPIO_PERIPH | GPIO_ALT4 | GPIO_PADMUX(IMXRT_PADMUX_GPIO_EMC_12_INDEX))
 #define GPIO_LPSPI2_SDO_3              (GPIO_PERIPH | GPIO_ALT4 | GPIO_PADMUX(IMXRT_PADMUX_GPIO_SD_B1_08_INDEX))
@@ -758,7 +758,7 @@
 
 #define GPIO_SRC_EARLY_RESET_1         (GPIO_PERIPH | GPIO_ALT6 | GPIO_PADMUX(IMXRT_PADMUX_GPIO_SD_B1_11_INDEX))
 #define GPIO_SRC_POR_B_1               (GPIO_PERIPH | GPIO_ALT0 | GPIO_PADMUX(IMXRT_PADMUX_GPIO_POR_B))
-#define GPIO_SRC_RESET_B_1             (GPIO_PERIPH | GPIO_ALT0 | GPIO_PADMUX(IMXRT_PADMUX_GPIO_ONOFF)) 
+#define GPIO_SRC_RESET_B_1             (GPIO_PERIPH | GPIO_ALT0 | GPIO_PADMUX(IMXRT_PADMUX_GPIO_ONOFF))
 #define GPIO_SRC_SYSTEM_RESET_1        (GPIO_PERIPH | GPIO_ALT6 | GPIO_PADMUX(IMXRT_PADMUX_GPIO_SD_B1_10_INDEX))
 #define GPIO_SRC_TESTER_ACK_1          (GPIO_PERIPH | GPIO_ALT7 | GPIO_PADMUX(IMXRT_PADMUX_GPIO_EMC_33_INDEX))
 
@@ -807,7 +807,7 @@
 #define GPIO_USDHC1_WP_2               (GPIO_PERIPH | GPIO_ALT2 | GPIO_PADMUX(IMXRT_PADMUX_GPIO_AD_B0_04_INDEX))
 #define GPIO_USDHC1_WP_3               (GPIO_PERIPH | GPIO_ALT3 | GPIO_PADMUX(IMXRT_PADMUX_GPIO_AD_B1_11_INDEX))
 #define GPIO_USDHC1_WP_4               (GPIO_PERIPH | GPIO_ALT4 | GPIO_PADMUX(IMXRT_PADMUX_GPIO_AD_B0_03_INDEX))
-#define GPIO_USDHC1_WP_5               (GPIO_PERIPH | GPIO_ALT7 | GPIO_PADMUX(IMXRT_PADMUX_GPIO_EMC_36_INDEX)) 
+#define GPIO_USDHC1_WP_5               (GPIO_PERIPH | GPIO_ALT7 | GPIO_PADMUX(IMXRT_PADMUX_GPIO_EMC_36_INDEX))
 
 #define GPIO_USDHC2_CD_1               (GPIO_PERIPH | GPIO_ALT0 | GPIO_PADMUX(IMXRT_PADMUX_GPIO_SD_B1_06_INDEX))
 #define GPIO_USDHC2_CD_2               (GPIO_PERIPH | GPIO_ALT1 | GPIO_PADMUX(IMXRT_PADMUX_GPIO_AD_B0_03_INDEX))
diff --git a/arch/arm/src/imxrt/imxrt105x_daisy.c b/arch/arm/src/imxrt/imxrt105x_daisy.c
index a5516c998a..843a28c3ce 100644
--- a/arch/arm/src/imxrt/imxrt105x_daisy.c
+++ b/arch/arm/src/imxrt/imxrt105x_daisy.c
@@ -7097,4 +7097,3 @@ static const struct imxrt_daisy_t g_daisy_select[] =
     },
   },
 };
-
diff --git a/arch/arm/src/imxrt/imxrt106x_daisy.c b/arch/arm/src/imxrt/imxrt106x_daisy.c
index 3941561206..7da49e2056 100644
--- a/arch/arm/src/imxrt/imxrt106x_daisy.c
+++ b/arch/arm/src/imxrt/imxrt106x_daisy.c
@@ -8385,4 +8385,3 @@ static const struct imxrt_daisy_t g_daisy_select[] =
     },
   },
 };
-
diff --git a/arch/arm/src/imxrt/imxrt_daisy.c b/arch/arm/src/imxrt/imxrt_daisy.c
index 4fa9d42309..d692c472fe 100644
--- a/arch/arm/src/imxrt/imxrt_daisy.c
+++ b/arch/arm/src/imxrt/imxrt_daisy.c
@@ -110,4 +110,3 @@ void imxrt_daisy_select(unsigned int index, unsigned int alt)
       putreg32(alt, address);
     }
 }
-
diff --git a/arch/arm/src/imxrt/imxrt_enet.h b/arch/arm/src/imxrt/imxrt_enet.h
index ac63fb1e94..e5668096f3 100644
--- a/arch/arm/src/imxrt/imxrt_enet.h
+++ b/arch/arm/src/imxrt/imxrt_enet.h
@@ -121,4 +121,3 @@ int imxrt_phy_boardinitialize(int intf);
 #endif /* __ASSEMBLY__ */
 #endif /* CONFIG_IMXRT_ENET */
 #endif /* __ARCH_ARM_SRC_IMXRT_IMXRT_ENET_H */
-
diff --git a/arch/arm/src/imxrt/imxrt_lpspi.h b/arch/arm/src/imxrt/imxrt_lpspi.h
index da01a8f89a..6b3d20ecb6 100644
--- a/arch/arm/src/imxrt/imxrt_lpspi.h
+++ b/arch/arm/src/imxrt/imxrt_lpspi.h
@@ -184,4 +184,3 @@ int imxrt_lpspi4register(FAR struct spi_dev_s *dev, spi_mediachange_t callback,
 
 #endif /* __ASSEMBLY__ */
 #endif /* __ARCH_ARM_SRC_IMXRT_IMXRT_LPSPI_H */
-
diff --git a/arch/arm/src/kinetis/hardware/kinetis_mmcau.h b/arch/arm/src/kinetis/hardware/kinetis_mmcau.h
index 542ae44e4f..716ba72756 100644
--- a/arch/arm/src/kinetis/hardware/kinetis_mmcau.h
+++ b/arch/arm/src/kinetis/hardware/kinetis_mmcau.h
@@ -141,4 +141,3 @@
 
 #endif /* KINETIS_NMMCAU && KINETIS_NMMCAU > 0 */
 #endif /* __ARCH_ARM_SRC_KINETIS_HARDWARE_KINETIS_MMCAU_H */
-
diff --git a/arch/arm/src/kinetis/kinetis_idle.c b/arch/arm/src/kinetis/kinetis_idle.c
index eda5ec8bbd..d8f40be5c8 100644
--- a/arch/arm/src/kinetis/kinetis_idle.c
+++ b/arch/arm/src/kinetis/kinetis_idle.c
@@ -103,4 +103,3 @@ void up_idle(void)
   END_IDLE();
 #endif
 }
-
diff --git a/arch/arm/src/kinetis/kinetis_mpuinit.c b/arch/arm/src/kinetis/kinetis_mpuinit.c
index 9817a4497f..caf44dd339 100644
--- a/arch/arm/src/kinetis/kinetis_mpuinit.c
+++ b/arch/arm/src/kinetis/kinetis_mpuinit.c
@@ -141,4 +141,3 @@ void kinetis_mpudisable(void)
 }
 
 #endif /* CONFIG_BUILD_PROTECTED && CONFIG_ARM_MPU */
-
diff --git a/arch/arm/src/kinetis/kinetis_pindma.c b/arch/arm/src/kinetis/kinetis_pindma.c
index 43ae05e877..654bf7aebc 100644
--- a/arch/arm/src/kinetis/kinetis_pindma.c
+++ b/arch/arm/src/kinetis/kinetis_pindma.c
@@ -163,4 +163,3 @@ void kinetis_pindmadisable(uint32_t pinset)
 }
 
 #endif
-
diff --git a/arch/arm/src/kinetis/kinetis_pingpio.c b/arch/arm/src/kinetis/kinetis_pingpio.c
index 1b7f6da560..e26e4b8f22 100644
--- a/arch/arm/src/kinetis/kinetis_pingpio.c
+++ b/arch/arm/src/kinetis/kinetis_pingpio.c
@@ -135,4 +135,3 @@ bool kinetis_gpioread(uint32_t pinset)
     }
   return ret;
 }
-
diff --git a/arch/arm/src/kinetis/kinetis_serialinit.c b/arch/arm/src/kinetis/kinetis_serialinit.c
index 90f5192212..91a6b8e71c 100644
--- a/arch/arm/src/kinetis/kinetis_serialinit.c
+++ b/arch/arm/src/kinetis/kinetis_serialinit.c
@@ -124,4 +124,3 @@ void up_serialinit(void)
 
 }
 #endif /* USE_SERIALDRIVER */
-
diff --git a/arch/arm/src/kinetis/kinetis_userspace.c b/arch/arm/src/kinetis/kinetis_userspace.c
index 3e91953620..8abc8025e3 100644
--- a/arch/arm/src/kinetis/kinetis_userspace.c
+++ b/arch/arm/src/kinetis/kinetis_userspace.c
@@ -116,4 +116,3 @@ void kinetis_userspace(void)
 }
 
 #endif /* CONFIG_BUILD_PROTECTED */
-
diff --git a/arch/arm/src/kl/kl_gpio.c b/arch/arm/src/kl/kl_gpio.c
index 78fba619ad..27c983d79b 100644
--- a/arch/arm/src/kl/kl_gpio.c
+++ b/arch/arm/src/kl/kl_gpio.c
@@ -297,4 +297,3 @@ bool kl_gpioread(uint32_t pinset)
     }
   return ret;
 }
-
diff --git a/arch/arm/src/kl/kl_lowputc.c b/arch/arm/src/kl/kl_lowputc.c
index 5d23c8d7ae..7016ddcc29 100644
--- a/arch/arm/src/kl/kl_lowputc.c
+++ b/arch/arm/src/kl/kl_lowputc.c
@@ -330,6 +330,3 @@ void kl_uartconfigure(uintptr_t uart_base, uint32_t baud, uint32_t clock,
   putreg8(regval, uart_base + KL_UART_C2_OFFSET);
 }
 #endif
-
-
-
diff --git a/arch/arm/src/kl/kl_start.c b/arch/arm/src/kl/kl_start.c
index cc98e4e09d..c9314a6afd 100644
--- a/arch/arm/src/kl/kl_start.c
+++ b/arch/arm/src/kl/kl_start.c
@@ -183,4 +183,3 @@ void __start(void)
 
   for (; ; );
 }
-
diff --git a/arch/arm/src/kl/kl_userspace.c b/arch/arm/src/kl/kl_userspace.c
index d9ecdda4a4..5164ec652f 100644
--- a/arch/arm/src/kl/kl_userspace.c
+++ b/arch/arm/src/kl/kl_userspace.c
@@ -111,4 +111,3 @@ void kl_userspace(void)
 }
 
 #endif /* CONFIG_BUILD_PROTECTED */
-
diff --git a/arch/arm/src/lc823450/lc823450_idle.c b/arch/arm/src/lc823450/lc823450_idle.c
index b417ec56be..bfbbf91823 100644
--- a/arch/arm/src/lc823450/lc823450_idle.c
+++ b/arch/arm/src/lc823450/lc823450_idle.c
@@ -115,4 +115,3 @@ void up_idle(void)
 
 #endif
 }
-
diff --git a/arch/arm/src/lc823450/lc823450_ipl2.c b/arch/arm/src/lc823450/lc823450_ipl2.c
index 715cee3744..e191427913 100644
--- a/arch/arm/src/lc823450/lc823450_ipl2.c
+++ b/arch/arm/src/lc823450/lc823450_ipl2.c
@@ -760,4 +760,3 @@ int ipl2_main(int argc, char *argv[])
 
   return -1;
 }
-
diff --git a/arch/arm/src/lc823450/lc823450_mpuinit2.c b/arch/arm/src/lc823450/lc823450_mpuinit2.c
index 04ff22d22e..b61ac7baa5 100644
--- a/arch/arm/src/lc823450/lc823450_mpuinit2.c
+++ b/arch/arm/src/lc823450/lc823450_mpuinit2.c
@@ -138,4 +138,3 @@ void lc823450_mpu_uheap(uintptr_t start, size_t size)
 }
 
 #endif /* CONFIG_ARM_MPU */
-
diff --git a/arch/arm/src/lc823450/lc823450_start.c b/arch/arm/src/lc823450/lc823450_start.c
index bdf20427db..aaa7edaa5a 100644
--- a/arch/arm/src/lc823450/lc823450_start.c
+++ b/arch/arm/src/lc823450/lc823450_start.c
@@ -414,4 +414,3 @@ void __start(void)
   for (;;);
 #endif
 }
-
diff --git a/arch/arm/src/lc823450/lc823450_userspace.c b/arch/arm/src/lc823450/lc823450_userspace.c
index 77b2fced7e..ca005b7f3a 100644
--- a/arch/arm/src/lc823450/lc823450_userspace.c
+++ b/arch/arm/src/lc823450/lc823450_userspace.c
@@ -118,4 +118,3 @@ void lc823450_userspace(void)
 }
 
 #endif /* CONFIG_BUILD_PROTECTED */
-
diff --git a/arch/arm/src/lpc17xx_40xx/hardware/lpc17_40_sdcard.h b/arch/arm/src/lpc17xx_40xx/hardware/lpc17_40_sdcard.h
index cac8c1b733..18824e07a1 100644
--- a/arch/arm/src/lpc17xx_40xx/hardware/lpc17_40_sdcard.h
+++ b/arch/arm/src/lpc17xx_40xx/hardware/lpc17_40_sdcard.h
@@ -269,4 +269,3 @@
  */
 
 #endif /* __ARCH_ARM_SRC_LPC17XX_40XX_HARDWARE_LPC17_40_SDCARD_H */
-
diff --git a/arch/arm/src/lpc17xx_40xx/lpc178x_40xx_clockconfig.c b/arch/arm/src/lpc17xx_40xx/lpc178x_40xx_clockconfig.c
index c068dba23f..44007fb0b4 100644
--- a/arch/arm/src/lpc17xx_40xx/lpc178x_40xx_clockconfig.c
+++ b/arch/arm/src/lpc17xx_40xx/lpc178x_40xx_clockconfig.c
@@ -238,4 +238,3 @@ void lpc17_40_clockconfig(void)
   putreg32(BOARD_FLASHCFG_VALUE, LPC17_40_SYSCON_FLASHCFG);
 #endif
 }
-
diff --git a/arch/arm/src/lpc17xx_40xx/lpc17_40_dac.c b/arch/arm/src/lpc17xx_40xx/lpc17_40_dac.c
index c99f5d01e9..158d59e296 100644
--- a/arch/arm/src/lpc17xx_40xx/lpc17_40_dac.c
+++ b/arch/arm/src/lpc17xx_40xx/lpc17_40_dac.c
@@ -197,4 +197,3 @@ FAR struct dac_dev_s *lpc17_40_dacinitialize(void)
 }
 
 #endif /* CONFIG_LPC17_40_DAC */
-
diff --git a/arch/arm/src/lpc17xx_40xx/lpc17_40_gpiodbg.c b/arch/arm/src/lpc17xx_40xx/lpc17_40_gpiodbg.c
index a9f9e6e3dc..d3a4575f73 100644
--- a/arch/arm/src/lpc17xx_40xx/lpc17_40_gpiodbg.c
+++ b/arch/arm/src/lpc17xx_40xx/lpc17_40_gpiodbg.c
@@ -178,4 +178,3 @@ int lpc17_40_dumpgpio(lpc17_40_pinset_t pinset, const char *msg)
   return OK;
 }
 #endif /* CONFIG_DEBUG_GPIO_INFO */
-
diff --git a/arch/arm/src/lpc17xx_40xx/lpc17_40_idle.c b/arch/arm/src/lpc17xx_40xx/lpc17_40_idle.c
index 7a4a59c27e..a9e3d58787 100644
--- a/arch/arm/src/lpc17xx_40xx/lpc17_40_idle.c
+++ b/arch/arm/src/lpc17xx_40xx/lpc17_40_idle.c
@@ -118,4 +118,3 @@ void up_idle(void)
     }
 #endif
 }
-
diff --git a/arch/arm/src/lpc17xx_40xx/lpc17_40_lowputc.c b/arch/arm/src/lpc17xx_40xx/lpc17_40_lowputc.c
index f055bdb3d0..dc744c23a4 100644
--- a/arch/arm/src/lpc17xx_40xx/lpc17_40_lowputc.c
+++ b/arch/arm/src/lpc17xx_40xx/lpc17_40_lowputc.c
@@ -433,4 +433,3 @@ void lpc17_40_lowsetup(void)
 #endif
 #endif /* HAVE_UART */
 }
-
diff --git a/arch/arm/src/lpc17xx_40xx/lpc17_40_mpuinit.c b/arch/arm/src/lpc17xx_40xx/lpc17_40_mpuinit.c
index 33cad4f119..db759450dd 100644
--- a/arch/arm/src/lpc17xx_40xx/lpc17_40_mpuinit.c
+++ b/arch/arm/src/lpc17xx_40xx/lpc17_40_mpuinit.c
@@ -113,4 +113,3 @@ void lpc17_40_mpu_uheap(uintptr_t start, size_t size)
 }
 
 #endif /* CONFIG_BUILD_PROTECTED && CONFIG_ARM_MPU */
-
diff --git a/arch/arm/src/lpc17xx_40xx/lpc17_40_userspace.c b/arch/arm/src/lpc17xx_40xx/lpc17_40_userspace.c
index a3aa1f6cb3..483d3fe53d 100644
--- a/arch/arm/src/lpc17xx_40xx/lpc17_40_userspace.c
+++ b/arch/arm/src/lpc17xx_40xx/lpc17_40_userspace.c
@@ -116,4 +116,3 @@ void lpc17_40_userspace(void)
 }
 
 #endif /* CONFIG_BUILD_PROTECTED */
-
diff --git a/arch/arm/src/lpc214x/Kconfig b/arch/arm/src/lpc214x/Kconfig
index a9fc00c245..809dc7a966 100644
--- a/arch/arm/src/lpc214x/Kconfig
+++ b/arch/arm/src/lpc214x/Kconfig
@@ -144,4 +144,3 @@ config LPC214X_USBDEV_REGDEBUG
 
 endmenu
 endif
-
diff --git a/arch/arm/src/lpc214x/README.txt b/arch/arm/src/lpc214x/README.txt
index 752060c051..0197e53d56 100644
--- a/arch/arm/src/lpc214x/README.txt
+++ b/arch/arm/src/lpc214x/README.txt
@@ -57,5 +57,3 @@ o Processor wake-up from Power-down mode via external interrupt or BOD.
 o Single power supply chip with POR and BOD circuits:
 o CPU operating voltage range of 3.0 V to 3.6 V (3.3 V +- 10 pct) with 5 V tolerant
   I/O pads.
-
-
diff --git a/arch/arm/src/lpc214x/lpc214x_head.S b/arch/arm/src/lpc214x/lpc214x_head.S
index a9fcc05b31..6ac253b206 100644
--- a/arch/arm/src/lpc214x/lpc214x_head.S
+++ b/arch/arm/src/lpc214x/lpc214x_head.S
@@ -541,7 +541,7 @@ __start:
 	configmemmap	r0, r1
 
 	/* Configure the DAC and ADC */
-	
+
 	configdac	r0, r1
 
 	/* Configure Fast GPIO Port */
@@ -631,4 +631,3 @@ g_idle_topstack:
 	.size	g_idle_topstack, .-g_idle_topstack
 
 	.end
-
diff --git a/arch/arm/src/lpc214x/lpc214x_lowputc.S b/arch/arm/src/lpc214x/lpc214x_lowputc.S
index 179f440b4b..9241f2751b 100644
--- a/arch/arm/src/lpc214x/lpc214x_lowputc.S
+++ b/arch/arm/src/lpc214x/lpc214x_lowputc.S
@@ -193,7 +193,7 @@ up_lowsetup:
 	strb	r1, [r0, #LPC214X_UART_DLL_OFFSET]
 
 	/* Clear DLAB */
-	
+
 	mov	r1, #LPC214X_LCR_VALUE
 	strb	r1, [r0, #LPC214X_UART_LCR_OFFSET]
 
diff --git a/arch/arm/src/lpc2378/lpc23xx_head.S b/arch/arm/src/lpc2378/lpc23xx_head.S
index c0833e2286..d4648acce5 100644
--- a/arch/arm/src/lpc2378/lpc23xx_head.S
+++ b/arch/arm/src/lpc2378/lpc23xx_head.S
@@ -122,7 +122,7 @@ _vector_table:
 .Lfiqhandler:
 	.long	up_vectorfiq
 	.size	_vector_table, . - _vector_table
-	
+
 /****************************************************************************
  * OS Entry Point
  ****************************************************************************/
@@ -142,17 +142,17 @@ __start:
 	ldr	r0, =ConfigurePLL
 	mov	lr, pc
 	bx	r0
-	
+
 	/* First, setup initial processor mode */
-	
+
 	mov	r0, #(SVC_MODE | PSR_I_BIT | PSR_F_BIT )
 	msr	cpsr, r0
-	
+
 /* Configure the uart so that we can get debug output as soon
  * as possible.  Modifies r0, r1, r2, and r14.
  */
 	bl	up_lowsetup
-	
+
 	showprogress 'A'
 
 	/* Setup system stack (and get the BSS range) */
@@ -230,5 +230,5 @@ LC2:	.long	_eronly	/* Where .data defaults are stored in FLASH */
 g_idle_topstack:
 	.long	_ebss+CONFIG_IDLETHREAD_STACKSIZE
 	.size	g_idle_topstack, .-g_idle_topstack
-	
+
 	.end
diff --git a/arch/arm/src/lpc2378/lpc23xx_lowputc.S b/arch/arm/src/lpc2378/lpc23xx_lowputc.S
index d9d4c455d1..7cdbcc0d2e 100644
--- a/arch/arm/src/lpc2378/lpc23xx_lowputc.S
+++ b/arch/arm/src/lpc2378/lpc23xx_lowputc.S
@@ -59,7 +59,7 @@
 
 #if defined(CONFIG_UART0_SERIAL_CONSOLE)
 #  define UARTxBASE    UART0_BASE_ADDR
-#  define PINSELECT	   LPC23XX_PINSEL0		
+#  define PINSELECT	   LPC23XX_PINSEL0
 #  define UARTxPCLKSEL 0xE01FC1A8
 #  define PCLKSEL_MASK U0_PCLKSEL_MASK
 #  define UARTxPINSEL  UART0_PINSEL
@@ -91,7 +91,7 @@
 #  define UARTxPARITY  CONFIG_UART2_PARITY
 #  define UARTx2STOP   CONFIG_UART2_2STOP
 #elif defined(CONFIG_UART3_SERIAL_CONSOLE)
-#  define PINSELECT	   LPC23XX_PINSEL0	
+#  define PINSELECT	   LPC23XX_PINSEL0
 #  define UARTxBASE    UART3_BASE_ADDR
 #  define UARTxPCLKSEL 0xE01FC1AC
 #  define PCLKSEL_MASK U2_PCLKSEL_MASK
@@ -210,21 +210,21 @@ up_lowsetup:
 	ldr	r1, [r0]
 	ldr	r2, =(~UARTxPINMASK)
 	and	r1, r2
-	
+
 	ldr	r2, =(UARTxPINSEL)
 	orr	r1, r2
 	str	r1, [r0]
-	
+
 	/* Power Up Uart0 */
 	ldr r0, =UARTxPCLKSEL /* PCLKSEL0 address */
 	ldr r1, [r0]
 	ldr r2, =(~PCLKSEL_MASK)
 	and r1, r2
-	
+
 	ldr r2, =(U0_PCLKSEL)
 	orr r1, r2
-	str r1, [r0]	
-	
+	str r1, [r0]
+
 /* Configure parity, data bits, stop bits and set DLAB=1 */
 
 	ldr	r0, =UARTxBASE
@@ -235,23 +235,23 @@ up_lowsetup:
 
 	mov r1, #((MULVAL << 4) | DIVADDVAL)
 	strb r1, [r0, #UART_FDR_OFFSET]
-	
+
 	mov	 r1, #DLMVAL
 	strb r1, [r0, #UART_DLM_OFFSET]
 
 	mov  r1, #DLLVAL
 	strb r1, [r0, #UART_DLL_OFFSET]
-	
+
 /* Clear DLAB and Set format 8N1 */
 
 	mov r1, #LCR_VALUE
 	strb r1, [r0, #UART_LCR_OFFSET]
-	
+
 /* Configure the FIFOs */
 
 	mov	r1, #FCR_VALUE
 	strb	r1, [r0, #UART_FCR_OFFSET]
-	
+
 	mov	r1, #LCR_VALUE
 	strb	r1, [r0, #UART_LCR_OFFSET]
 
diff --git a/arch/arm/src/lpc31xx/lpc31_defclk.c b/arch/arm/src/lpc31xx/lpc31_defclk.c
index 4670253f4e..e4a1544a4c 100644
--- a/arch/arm/src/lpc31xx/lpc31_defclk.c
+++ b/arch/arm/src/lpc31xx/lpc31_defclk.c
@@ -116,4 +116,3 @@ bool lpc31_defclk(enum lpc31_clockid_e clkid)
   putreg32(regval, regaddr);
   return enable;
 }
-
diff --git a/arch/arm/src/lpc31xx/lpc31_pllconfig.c b/arch/arm/src/lpc31xx/lpc31_pllconfig.c
index 1ab391a446..56036d610c 100644
--- a/arch/arm/src/lpc31xx/lpc31_pllconfig.c
+++ b/arch/arm/src/lpc31xx/lpc31_pllconfig.c
@@ -264,4 +264,3 @@ void lpc31_hp1pllconfig(void)
 
   lpc31_pllconfig(&cfg);
 }
-
diff --git a/arch/arm/src/lpc43xx/lpc43_gpio.c b/arch/arm/src/lpc43xx/lpc43_gpio.c
index 783c66c060..42b7ce75e1 100644
--- a/arch/arm/src/lpc43xx/lpc43_gpio.c
+++ b/arch/arm/src/lpc43xx/lpc43_gpio.c
@@ -252,6 +252,3 @@ bool lpc43_gpio_read(uint16_t gpiocfg)
 
   return (getreg8(LPC43_GPIO_B(port, pin)) & GPIO_B) != 0;
 }
-
-
-
diff --git a/arch/arm/src/lpc43xx/lpc43_idle.c b/arch/arm/src/lpc43xx/lpc43_idle.c
index 6bf7811d5a..33803ce90d 100644
--- a/arch/arm/src/lpc43xx/lpc43_idle.c
+++ b/arch/arm/src/lpc43xx/lpc43_idle.c
@@ -183,4 +183,3 @@ void up_idle(void)
   END_IDLE();
 #endif
 }
-
diff --git a/arch/arm/src/lpc43xx/lpc43_mpuinit.c b/arch/arm/src/lpc43xx/lpc43_mpuinit.c
index e1ad602ab3..2b8d476068 100644
--- a/arch/arm/src/lpc43xx/lpc43_mpuinit.c
+++ b/arch/arm/src/lpc43xx/lpc43_mpuinit.c
@@ -113,4 +113,3 @@ void lpc43_mpu_uheap(uintptr_t start, size_t size)
 }
 
 #endif /* CONFIG_BUILD_PROTECTED && CONFIG_ARM_MPU */
-
diff --git a/arch/arm/src/lpc43xx/lpc43_spifi.h b/arch/arm/src/lpc43xx/lpc43_spifi.h
index a016d16f1d..01a909769b 100644
--- a/arch/arm/src/lpc43xx/lpc43_spifi.h
+++ b/arch/arm/src/lpc43xx/lpc43_spifi.h
@@ -134,4 +134,3 @@ FAR struct mtd_dev_s *lpc43_spifi_initialize(void);
 #endif /* __ASSEMBLY__ */
 #endif /* CONFIG_LPC43_SPIFI */
 #endif /* __ARCH_ARM_SRC_LPC43XX_LPC43_SPIFI_H */
-
diff --git a/arch/arm/src/lpc43xx/lpc43_usb0dev.c b/arch/arm/src/lpc43xx/lpc43_usb0dev.c
index 26bb600270..a19cf56ce5 100644
--- a/arch/arm/src/lpc43xx/lpc43_usb0dev.c
+++ b/arch/arm/src/lpc43xx/lpc43_usb0dev.c
@@ -2872,4 +2872,3 @@ int usbdev_unregister(struct usbdevclass_driver_s *driver)
   g_usbdev.driver = NULL;
   return OK;
 }
-
diff --git a/arch/arm/src/lpc43xx/lpc43_userspace.c b/arch/arm/src/lpc43xx/lpc43_userspace.c
index c884e3c77b..229831182e 100644
--- a/arch/arm/src/lpc43xx/lpc43_userspace.c
+++ b/arch/arm/src/lpc43xx/lpc43_userspace.c
@@ -104,4 +104,3 @@ void lpc43_userspace(void)
 }
 
 #endif /* CONFIG_BUILD_PROTECTED */
-
diff --git a/arch/arm/src/lpc54xx/Make.defs b/arch/arm/src/lpc54xx/Make.defs
index 56e5b2c32e..e78516ecf0 100644
--- a/arch/arm/src/lpc54xx/Make.defs
+++ b/arch/arm/src/lpc54xx/Make.defs
@@ -147,4 +147,3 @@ endif
 ifeq ($(CONFIG_LPC54_SDMMC),y)
 CHIP_CSRCS += lpc54_sdmmc.c
 endif
-
diff --git a/arch/arm/src/lpc54xx/hardware/lpc546x_memorymap.h b/arch/arm/src/lpc54xx/hardware/lpc546x_memorymap.h
index bfc7f1a798..2eb28d0289 100644
--- a/arch/arm/src/lpc54xx/hardware/lpc546x_memorymap.h
+++ b/arch/arm/src/lpc54xx/hardware/lpc546x_memorymap.h
@@ -142,4 +142,3 @@
 #define LPC54_CTIMER4_BASE   0x40049000  /* CTIMER4 */
 
 #endif /* __ARCH_ARM_SRC_LPC54XX_HARDWARE_LPC546X_MEMORYMAP_H */
-
diff --git a/arch/arm/src/lpc54xx/hardware/lpc54_memorymap.h b/arch/arm/src/lpc54xx/hardware/lpc54_memorymap.h
index 7f7b9e27bc..3ae7603b7d 100644
--- a/arch/arm/src/lpc54xx/hardware/lpc54_memorymap.h
+++ b/arch/arm/src/lpc54xx/hardware/lpc54_memorymap.h
@@ -49,4 +49,3 @@
 #endif
 
 #endif /* __ARCH_ARM_SRC_LPC54XX_HARDWARE_LPC54_MEMORYMAP_H */
-
diff --git a/arch/arm/src/lpc54xx/hardware/lpc54_pinmux.h b/arch/arm/src/lpc54xx/hardware/lpc54_pinmux.h
index 493ff1dfee..bfea466927 100644
--- a/arch/arm/src/lpc54xx/hardware/lpc54_pinmux.h
+++ b/arch/arm/src/lpc54xx/hardware/lpc54_pinmux.h
@@ -50,4 +50,3 @@
 #endif
 
 #endif /* __ARCH_ARM_SRC_LPC54XX_HARDWARE_LPC54_PINMUX_H */
-
diff --git a/arch/arm/src/lpc54xx/lpc54_idle.c b/arch/arm/src/lpc54xx/lpc54_idle.c
index 45f7daae88..56e8338d72 100644
--- a/arch/arm/src/lpc54xx/lpc54_idle.c
+++ b/arch/arm/src/lpc54xx/lpc54_idle.c
@@ -183,4 +183,3 @@ void up_idle(void)
   END_IDLE();
 #endif
 }
-
diff --git a/arch/arm/src/lpc54xx/lpc54_mpuinit.c b/arch/arm/src/lpc54xx/lpc54_mpuinit.c
index ca86292ee9..7e38ca75a0 100644
--- a/arch/arm/src/lpc54xx/lpc54_mpuinit.c
+++ b/arch/arm/src/lpc54xx/lpc54_mpuinit.c
@@ -113,4 +113,3 @@ void lpc54_mpu_uheap(uintptr_t start, size_t size)
 }
 
 #endif /* CONFIG_BUILD_PROTECTED && CONFIG_ARM_MPU */
-
diff --git a/arch/arm/src/lpc54xx/lpc54_userspace.c b/arch/arm/src/lpc54xx/lpc54_userspace.c
index 1c6229c8bc..3fe298e549 100644
--- a/arch/arm/src/lpc54xx/lpc54_userspace.c
+++ b/arch/arm/src/lpc54xx/lpc54_userspace.c
@@ -104,4 +104,3 @@ void lpc54_userspace(void)
 }
 
 #endif /* CONFIG_BUILD_PROTECTED */
-
diff --git a/arch/arm/src/max326xx/Make.defs b/arch/arm/src/max326xx/Make.defs
index 75aab22f5d..2841260962 100644
--- a/arch/arm/src/max326xx/Make.defs
+++ b/arch/arm/src/max326xx/Make.defs
@@ -190,4 +190,3 @@ endif
 ifeq ($(CONFIG_ARCH_FAMILY_MAX32660),y)
 VPATH += chip/max32660
 endif
-
diff --git a/arch/arm/src/max326xx/common/max326_userspace.c b/arch/arm/src/max326xx/common/max326_userspace.c
index ce105ec482..03dffd84b9 100644
--- a/arch/arm/src/max326xx/common/max326_userspace.c
+++ b/arch/arm/src/max326xx/common/max326_userspace.c
@@ -104,4 +104,3 @@ void max326_userspace(void)
 }
 
 #endif /* CONFIG_BUILD_PROTECTED */
-
diff --git a/arch/arm/src/max326xx/max32660/max32660_rtc.c b/arch/arm/src/max326xx/max32660/max32660_rtc.c
index e87e6e4412..bea8ed6994 100644
--- a/arch/arm/src/max326xx/max32660/max32660_rtc.c
+++ b/arch/arm/src/max326xx/max32660/max32660_rtc.c
@@ -384,7 +384,7 @@ time_t up_rtc_time(void)
   while (verify != sec);
 
   /* Round */
- 
+
   if (ssec > 128)
     {
       sec++;
diff --git a/arch/arm/src/max326xx/max326_wdt.h b/arch/arm/src/max326xx/max326_wdt.h
index a08f9bf856..11a4f38733 100644
--- a/arch/arm/src/max326xx/max326_wdt.h
+++ b/arch/arm/src/max326xx/max326_wdt.h
@@ -72,7 +72,7 @@ extern "C"
  * Input Parameters:
  *   devpath - The full path to the watchdog.  This should be of the form
  *              /dev/watchdog0
- 
+
  * Returned Values:
  *   Zero (OK) is returned on success; a negated errno value is returned on
  *   any failure.
diff --git a/arch/arm/src/moxart/Make.defs b/arch/arm/src/moxart/Make.defs
index 93830d8804..0dbb72b60d 100644
--- a/arch/arm/src/moxart/Make.defs
+++ b/arch/arm/src/moxart/Make.defs
@@ -57,4 +57,3 @@ CHIP_CSRCS  = moxart_16550.c moxart_irq.c moxart_timer.c moxart_systemreset.c
 ifneq ($(CONFIG_ARCH_IDLE_CUSTOM),y)
 CHIP_CSRCS += moxart_idle.c
 endif
-
diff --git a/arch/arm/src/moxart/moxart_systemreset.c b/arch/arm/src/moxart/moxart_systemreset.c
index 5d53a25340..f6e770e676 100644
--- a/arch/arm/src/moxart/moxart_systemreset.c
+++ b/arch/arm/src/moxart/moxart_systemreset.c
@@ -79,4 +79,3 @@ void up_systemreset(void)
 
   for (; ; );
 }
-
diff --git a/arch/arm/src/nrf52/Make.defs b/arch/arm/src/nrf52/Make.defs
index e33aeed523..5d3b9d7747 100644
--- a/arch/arm/src/nrf52/Make.defs
+++ b/arch/arm/src/nrf52/Make.defs
@@ -128,4 +128,3 @@ endif
 ifeq ($(CONFIG_NRF52_I2C_MASTER),y)
 CHIP_CSRCS += nrf52_i2c.c
 endif
-
diff --git a/arch/arm/src/nrf52/hardware/nrf52_utils.h b/arch/arm/src/nrf52/hardware/nrf52_utils.h
index a3c93edfd2..dd1e252c1c 100644
--- a/arch/arm/src/nrf52/hardware/nrf52_utils.h
+++ b/arch/arm/src/nrf52/hardware/nrf52_utils.h
@@ -123,4 +123,3 @@ static inline void nrf52_interrupt_disable(uint32_t reg_intenclr,
 }
 
 #endif /* __ARCH_ARM_SRC_NRF52_HARDWARE_NRF52_UTILS_H */
-
diff --git a/arch/arm/src/nrf52/nrf52_nvmc.h b/arch/arm/src/nrf52/nrf52_nvmc.h
index 637bc3e56d..96ccd7ae95 100644
--- a/arch/arm/src/nrf52/nrf52_nvmc.h
+++ b/arch/arm/src/nrf52/nrf52_nvmc.h
@@ -326,4 +326,3 @@ uint32_t nrf_nvmc_read_dev_id1(void);
 #endif
 
 #endif /* __ARCH_ARM_SRC_NRF52_NRF52_NVMC_H */
-
diff --git a/arch/arm/src/nuc1xx/nuc_userspace.c b/arch/arm/src/nuc1xx/nuc_userspace.c
index e0fc09cbcd..6e97f105c4 100644
--- a/arch/arm/src/nuc1xx/nuc_userspace.c
+++ b/arch/arm/src/nuc1xx/nuc_userspace.c
@@ -111,4 +111,3 @@ void nuc_userspace(void)
 }
 
 #endif /* CONFIG_BUILD_PROTECTED */
-
diff --git a/arch/arm/src/s32k1xx/s32k1xx_clockconfig.c b/arch/arm/src/s32k1xx/s32k1xx_clockconfig.c
index 3c704fa8f6..574446bd1d 100644
--- a/arch/arm/src/s32k1xx/s32k1xx_clockconfig.c
+++ b/arch/arm/src/s32k1xx/s32k1xx_clockconfig.c
@@ -1955,4 +1955,3 @@ uint32_t s32k1xx_get_asnchfreq(enum clock_names_e clksrc,
 
   return freq;
 }
-
diff --git a/arch/arm/src/s32k1xx/s32k1xx_periphclocks.c b/arch/arm/src/s32k1xx/s32k1xx_periphclocks.c
index 86f536cb77..9fd24eadc4 100644
--- a/arch/arm/src/s32k1xx/s32k1xx_periphclocks.c
+++ b/arch/arm/src/s32k1xx/s32k1xx_periphclocks.c
@@ -384,5 +384,3 @@ int s32k1xx_get_pclkfreq(enum clock_names_e clkname, uint32_t *frequency)
 
   return ret;
 }
-
-
diff --git a/arch/arm/src/s32k1xx/s32k1xx_pingpio.c b/arch/arm/src/s32k1xx/s32k1xx_pingpio.c
index 95de4bb1ca..19506ec5a9 100644
--- a/arch/arm/src/s32k1xx/s32k1xx_pingpio.c
+++ b/arch/arm/src/s32k1xx/s32k1xx_pingpio.c
@@ -132,4 +132,3 @@ bool s32k1xx_gpioread(uint32_t pinset)
     }
   return ret;
 }
-
diff --git a/arch/arm/src/s32k1xx/s32k1xx_pinirq.c b/arch/arm/src/s32k1xx/s32k1xx_pinirq.c
index aa859c3e08..db990bd99f 100644
--- a/arch/arm/src/s32k1xx/s32k1xx_pinirq.c
+++ b/arch/arm/src/s32k1xx/s32k1xx_pinirq.c
@@ -58,7 +58,7 @@
 /****************************************************************************
  * Pre-processor Definitions
  ****************************************************************************/
- 
+
 /* Configuration ************************************************************/
 
 /* The S32K1xx port interrupt logic is very flexible and will program
diff --git a/arch/arm/src/sam34/hardware/sam4l_flashcalw.h b/arch/arm/src/sam34/hardware/sam4l_flashcalw.h
index baacf9120f..6f41c482c1 100644
--- a/arch/arm/src/sam34/hardware/sam4l_flashcalw.h
+++ b/arch/arm/src/sam34/hardware/sam4l_flashcalw.h
@@ -376,4 +376,3 @@
  ************************************************************************************/
 
 #endif /* __ARCH_ARM_SRC_SAM34_HARDWARE_SAM4L_FLASHCALW_H */
-
diff --git a/arch/arm/src/sam34/hardware/sam4l_pm.h b/arch/arm/src/sam34/hardware/sam4l_pm.h
index 6b4eada8fc..d6aecd37f8 100644
--- a/arch/arm/src/sam34/hardware/sam4l_pm.h
+++ b/arch/arm/src/sam34/hardware/sam4l_pm.h
@@ -348,4 +348,3 @@
  ************************************************************************************/
 
 #endif /* __ARCH_ARM_SRC_SAM34_HARDWARE_SAM4L_PM_H */
-
diff --git a/arch/arm/src/sam34/hardware/sam_memorymap.h b/arch/arm/src/sam34/hardware/sam_memorymap.h
index e0ddc6650c..e4d24dde36 100644
--- a/arch/arm/src/sam34/hardware/sam_memorymap.h
+++ b/arch/arm/src/sam34/hardware/sam_memorymap.h
@@ -60,4 +60,3 @@
 #endif
 
 #endif /* __ARCH_ARM_SRC_SAM34_HARDWARE_SAM_MEMORYMAP_H */
-
diff --git a/arch/arm/src/sam34/hardware/sam_pinmap.h b/arch/arm/src/sam34/hardware/sam_pinmap.h
index 43ba17f1e6..8d01b93c96 100644
--- a/arch/arm/src/sam34/hardware/sam_pinmap.h
+++ b/arch/arm/src/sam34/hardware/sam_pinmap.h
@@ -60,4 +60,3 @@
 #endif
 
 #endif /* __ARCH_ARM_SRC_SAM34_HARDWARE_SAM_PINMAP_H */
-
diff --git a/arch/arm/src/sam34/hardware/sam_udphs.h b/arch/arm/src/sam34/hardware/sam_udphs.h
index 56666705a0..ef2be5fcea 100644
--- a/arch/arm/src/sam34/hardware/sam_udphs.h
+++ b/arch/arm/src/sam34/hardware/sam_udphs.h
@@ -368,4 +368,3 @@
  ****************************************************************************************/
 
 #endif /* __ARCH_ARM_SRC_SAM34_HARDWARE_SAM_UDPHS_H */
-
diff --git a/arch/arm/src/sam34/sam4cm_cpuindex.c b/arch/arm/src/sam34/sam4cm_cpuindex.c
index 867d36e5c1..e6e89a2634 100644
--- a/arch/arm/src/sam34/sam4cm_cpuindex.c
+++ b/arch/arm/src/sam34/sam4cm_cpuindex.c
@@ -73,5 +73,3 @@ int up_cpu_index(void)
 }
 
 #endif /* CONFIG_SMP */
-
-
diff --git a/arch/arm/src/sam34/sam4l_gpio.c b/arch/arm/src/sam34/sam4l_gpio.c
index 140ec42787..ef253ca54e 100644
--- a/arch/arm/src/sam34/sam4l_gpio.c
+++ b/arch/arm/src/sam34/sam4l_gpio.c
@@ -562,4 +562,3 @@ int sam_dumpgpio(uint32_t pinset, const char *msg)
   return OK;
 }
 #endif
-
diff --git a/arch/arm/src/sam34/sam_emac.h b/arch/arm/src/sam34/sam_emac.h
index a61dc539ec..b5b4db6f25 100644
--- a/arch/arm/src/sam34/sam_emac.h
+++ b/arch/arm/src/sam34/sam_emac.h
@@ -121,4 +121,3 @@ int sam_phy_boardinitialize(int intf);
 #endif /* __ASSEMBLY__ */
 #endif /* CONFIG_SAM34_EMAC */
 #endif /* __ARCH_ARM_SRC_SAM34_SAM_ETHERNET_H */
-
diff --git a/arch/arm/src/sam34/sam_mpuinit.c b/arch/arm/src/sam34/sam_mpuinit.c
index f49bb68d10..6e91a20792 100644
--- a/arch/arm/src/sam34/sam_mpuinit.c
+++ b/arch/arm/src/sam34/sam_mpuinit.c
@@ -121,4 +121,3 @@ void sam_mpu_uheap(uintptr_t start, size_t size)
 }
 
 #endif /* CONFIG_BUILD_PROTECTED && CONFIG_ARM_MPU */
-
diff --git a/arch/arm/src/sam34/sam_udp.h b/arch/arm/src/sam34/sam_udp.h
index 0284c84405..685ddf144b 100644
--- a/arch/arm/src/sam34/sam_udp.h
+++ b/arch/arm/src/sam34/sam_udp.h
@@ -90,4 +90,3 @@ void sam_udp_suspend(FAR struct usbdev_s *dev, bool resume);
 
 #endif /* __ASSEMBLY__ */
 #endif /* __ARCH_ARM_SRC_SAM34_SAM_UDP_H */
-
diff --git a/arch/arm/src/sam34/sam_userspace.c b/arch/arm/src/sam34/sam_userspace.c
index a399d84a72..1d370de009 100644
--- a/arch/arm/src/sam34/sam_userspace.c
+++ b/arch/arm/src/sam34/sam_userspace.c
@@ -116,4 +116,3 @@ void sam_userspace(void)
 }
 
 #endif /* CONFIG_BUILD_PROTECTED */
-
diff --git a/arch/arm/src/sama5/sam_ethernet.h b/arch/arm/src/sama5/sam_ethernet.h
index 3b09839292..312901a261 100644
--- a/arch/arm/src/sama5/sam_ethernet.h
+++ b/arch/arm/src/sama5/sam_ethernet.h
@@ -340,4 +340,3 @@ int sam_phy_boardinitialize(int intf);
 
 #endif /* __ASSEMBLY__ */
 #endif /* __ARCH_ARM_SRC_SAMA5_SAM_ETHERNET_H */
-
diff --git a/arch/arm/src/sama5/sam_nand.c b/arch/arm/src/sama5/sam_nand.c
index 17e44327c3..d6219f8ead 100644
--- a/arch/arm/src/sama5/sam_nand.c
+++ b/arch/arm/src/sama5/sam_nand.c
@@ -3087,4 +3087,3 @@ bool nand_checkreg(bool wr, uintptr_t regaddr, uint32_t regval)
   return true;
 }
 #endif
-
diff --git a/arch/arm/src/sama5/sam_pck.h b/arch/arm/src/sama5/sam_pck.h
index b304c6f5b0..76428fc32b 100644
--- a/arch/arm/src/sama5/sam_pck.h
+++ b/arch/arm/src/sama5/sam_pck.h
@@ -133,4 +133,3 @@ void sam_pck_enable(enum pckid_e pckid, bool enable);
 
 #endif /* __ASSEMBLY__ */
 #endif /* __ARCH_ARM_SRC_SAMA5_SAM_PCK_H */
-
diff --git a/arch/arm/src/sama5/sam_rtc.c b/arch/arm/src/sama5/sam_rtc.c
index 756530b259..8006da7b6d 100644
--- a/arch/arm/src/sama5/sam_rtc.c
+++ b/arch/arm/src/sama5/sam_rtc.c
@@ -659,4 +659,3 @@ int sam_rtc_setalarm(FAR const struct timespec *tp, alarmcb_t callback)
 #endif
 
 #endif /* CONFIG_RTC */
-
diff --git a/arch/arm/src/sama5/sam_tc.h b/arch/arm/src/sama5/sam_tc.h
index 06ea59a792..a44e1ab6e3 100644
--- a/arch/arm/src/sama5/sam_tc.h
+++ b/arch/arm/src/sama5/sam_tc.h
@@ -348,4 +348,3 @@ int sam_tc_divisor(uint32_t frequency, uint32_t *div, uint32_t *tcclks);
 
 #endif /* CONFIG_SAMA5_TC0 || CONFIG_SAMA5_TC1 || CONFIG_SAMA5_TC2 */
 #endif /* __ARCH_ARM_SRC_SAMA5_SAM_TC_H */
-
diff --git a/arch/arm/src/sama5/sam_udphs.h b/arch/arm/src/sama5/sam_udphs.h
index 2758adf0ad..c63dc81812 100644
--- a/arch/arm/src/sama5/sam_udphs.h
+++ b/arch/arm/src/sama5/sam_udphs.h
@@ -82,4 +82,3 @@ void sam_usbsuspend(FAR struct usbdev_s *dev, bool resume);
 
 #endif /* __ASSEMBLY__ */
 #endif /* __ARCH_ARM_SRC_SAMA5_SAM_UDPHS_H */
-
diff --git a/arch/arm/src/sama5/sam_usbhost.c b/arch/arm/src/sama5/sam_usbhost.c
index 7d8e46d55b..a5e9782f3b 100644
--- a/arch/arm/src/sama5/sam_usbhost.c
+++ b/arch/arm/src/sama5/sam_usbhost.c
@@ -255,4 +255,3 @@ FAR const char *usbhost_trformat2(uint16_t id)
 }
 
 #endif /* HAVE_USBHOST_TRACE */
-
diff --git a/arch/arm/src/samd2l2/Kconfig b/arch/arm/src/samd2l2/Kconfig
index 7ed5255285..d1aa785d18 100644
--- a/arch/arm/src/samd2l2/Kconfig
+++ b/arch/arm/src/samd2l2/Kconfig
@@ -903,4 +903,3 @@ config SAMD2L2_USB_REGDEBUG
 		CONFIG_DEBUG_USB_INFO.
 
 endmenu # USB options
-
diff --git a/arch/arm/src/samd2l2/sam_irq.c b/arch/arm/src/samd2l2/sam_irq.c
index 7ee18e745a..a922aa08b8 100644
--- a/arch/arm/src/samd2l2/sam_irq.c
+++ b/arch/arm/src/samd2l2/sam_irq.c
@@ -334,4 +334,3 @@ void sam_dumpnvic(const char *msg, int irq)
 #else
 #  define sam_dumpnvic(msg, irq)
 #endif
-
diff --git a/arch/arm/src/samd2l2/sam_port.c b/arch/arm/src/samd2l2/sam_port.c
index aeae385816..dd514e3bb6 100644
--- a/arch/arm/src/samd2l2/sam_port.c
+++ b/arch/arm/src/samd2l2/sam_port.c
@@ -581,4 +581,3 @@ int sam_dumpport(uint32_t pinset, const char *msg)
   return OK;
 }
 #endif
-
diff --git a/arch/arm/src/samd5e5/Kconfig b/arch/arm/src/samd5e5/Kconfig
index a0dba2123a..2d28100026 100644
--- a/arch/arm/src/samd5e5/Kconfig
+++ b/arch/arm/src/samd5e5/Kconfig
@@ -824,4 +824,3 @@ config SAMD5E5_GMAC_USE_MII
 
 endmenu # GMAC device driver options
 endif # SAMD5E5_GMAC
-
diff --git a/arch/arm/src/samd5e5/hardware/sam_memorymap.h b/arch/arm/src/samd5e5/hardware/sam_memorymap.h
index e0814f19e3..e175ecf36d 100644
--- a/arch/arm/src/samd5e5/hardware/sam_memorymap.h
+++ b/arch/arm/src/samd5e5/hardware/sam_memorymap.h
@@ -49,4 +49,3 @@
 #endif
 
 #endif /* __ARCH_ARM_SRC_SAMD5E5_HARDWARE_SAM_MEMORYMAP_H */
-
diff --git a/arch/arm/src/samd5e5/sam_ethernet.h b/arch/arm/src/samd5e5/sam_ethernet.h
index d9f6003ef1..29f4e12fe2 100644
--- a/arch/arm/src/samd5e5/sam_ethernet.h
+++ b/arch/arm/src/samd5e5/sam_ethernet.h
@@ -146,4 +146,3 @@ int sam_phy_boardinitialize(int intf);
 
 #endif /* __ASSEMBLY__ */
 #endif /* __ARCH_ARM_SRC_SAMD5E5_SAM_ETHERNET_H */
-
diff --git a/arch/arm/src/samd5e5/sam_mpuinit.c b/arch/arm/src/samd5e5/sam_mpuinit.c
index 3ae53ea9a3..d2fd70200f 100644
--- a/arch/arm/src/samd5e5/sam_mpuinit.c
+++ b/arch/arm/src/samd5e5/sam_mpuinit.c
@@ -121,4 +121,3 @@ void sam_mpu_uheap(uintptr_t start, size_t size)
 }
 
 #endif /* CONFIG_BUILD_PROTECTED && CONFIG_ARM_MPU */
-
diff --git a/arch/arm/src/samv7/hardware/sam_pinmap.h b/arch/arm/src/samv7/hardware/sam_pinmap.h
index 71bfa1887b..b6306f3252 100644
--- a/arch/arm/src/samv7/hardware/sam_pinmap.h
+++ b/arch/arm/src/samv7/hardware/sam_pinmap.h
@@ -51,4 +51,3 @@
 #endif
 
 #endif /* __ARCH_ARM_SRC_SAMV7_HARDWARE_SAM_PINMAP_H */
-
diff --git a/arch/arm/src/samv7/sam_mpuinit.c b/arch/arm/src/samv7/sam_mpuinit.c
index 82edf1ccc9..ec841888a2 100644
--- a/arch/arm/src/samv7/sam_mpuinit.c
+++ b/arch/arm/src/samv7/sam_mpuinit.c
@@ -148,4 +148,3 @@ void sam_mpu_uheap(uintptr_t start, size_t size)
 #endif
 
 #endif /* CONFIG_ARM_MPU */
-
diff --git a/arch/arm/src/samv7/sam_usbdev.h b/arch/arm/src/samv7/sam_usbdev.h
index 1c1fcef090..69c019f0c1 100644
--- a/arch/arm/src/samv7/sam_usbdev.h
+++ b/arch/arm/src/samv7/sam_usbdev.h
@@ -84,4 +84,3 @@ void sam_usbsuspend(FAR struct usbdev_s *dev, bool resume);
 
 #endif /* __ASSEMBLY__ */
 #endif /* __ARCH_ARM_SRC_SAMV7_SAM_USBDEV_H */
-
diff --git a/arch/arm/src/stm32/chip.h b/arch/arm/src/stm32/chip.h
index d88b52a804..0838e20172 100644
--- a/arch/arm/src/stm32/chip.h
+++ b/arch/arm/src/stm32/chip.h
@@ -70,4 +70,3 @@
 #define ARMV7M_PERIPHERAL_INTERRUPTS  STM32_IRQ_NEXTINT
 
 #endif /* __ARCH_ARM_SRC_STM32_CHIP_H */
-
diff --git a/arch/arm/src/stm32/hardware/stm32_eth.h b/arch/arm/src/stm32/hardware/stm32_eth.h
index cccbe7ef30..e558ec3268 100644
--- a/arch/arm/src/stm32/hardware/stm32_eth.h
+++ b/arch/arm/src/stm32/hardware/stm32_eth.h
@@ -838,4 +838,3 @@ struct eth_rxdesc_s
 #endif /* __ASSEMBLY__ */
 #endif /* STM32_NETHERNET > 0 */
 #endif /* __ARCH_ARM_SRC_STM32_HARDWARE_STM32_ETH_H */
-
diff --git a/arch/arm/src/stm32/hardware/stm32_i2c.h b/arch/arm/src/stm32/hardware/stm32_i2c.h
index 75a556ffe3..75042d1031 100644
--- a/arch/arm/src/stm32/hardware/stm32_i2c.h
+++ b/arch/arm/src/stm32/hardware/stm32_i2c.h
@@ -50,4 +50,3 @@
 #endif
 
 #endif /* __ARCH_ARM_SRC_STM32_HARDWARE_STM32_I2C_H */
-
diff --git a/arch/arm/src/stm32/hardware/stm32_i2c_v1.h b/arch/arm/src/stm32/hardware/stm32_i2c_v1.h
index de25b0222b..6d757fc158 100644
--- a/arch/arm/src/stm32/hardware/stm32_i2c_v1.h
+++ b/arch/arm/src/stm32/hardware/stm32_i2c_v1.h
@@ -212,4 +212,3 @@
 #endif
 
 #endif /* __ARCH_ARM_SRC_STM32_HARDWARE_STM32_I2C_V1_H */
-
diff --git a/arch/arm/src/stm32/hardware/stm32_i2c_v2.h b/arch/arm/src/stm32/hardware/stm32_i2c_v2.h
index 60b8c184e3..3d319e310c 100644
--- a/arch/arm/src/stm32/hardware/stm32_i2c_v2.h
+++ b/arch/arm/src/stm32/hardware/stm32_i2c_v2.h
@@ -251,4 +251,3 @@
 #define I2C_TXDR_MASK             (0xff)
 
 #endif /* __ARCH_ARM_SRC_STM32_HARDWARE_STM32_I2C_V2_H */
-
diff --git a/arch/arm/src/stm32/hardware/stm32_memorymap.h b/arch/arm/src/stm32/hardware/stm32_memorymap.h
index 68ab4c0c62..b24bb4f937 100644
--- a/arch/arm/src/stm32/hardware/stm32_memorymap.h
+++ b/arch/arm/src/stm32/hardware/stm32_memorymap.h
@@ -62,4 +62,3 @@
 #endif
 
 #endif /* __ARCH_ARM_SRC_STM32_HARDWARE_STM32_MEMORYMAP_H */
-
diff --git a/arch/arm/src/stm32/hardware/stm32_sdio.h b/arch/arm/src/stm32/hardware/stm32_sdio.h
index 0d52cdcd41..aac62efc36 100644
--- a/arch/arm/src/stm32/hardware/stm32_sdio.h
+++ b/arch/arm/src/stm32/hardware/stm32_sdio.h
@@ -288,4 +288,3 @@
 #define SDIO_FIFOCNT_MASK              (0x01ffffff << SDIO_FIFOCNT_SHIFT)
 
 #endif /* __ARCH_ARM_SRC_STM32_HARDWARE_STM32_SDIO_H */
-
diff --git a/arch/arm/src/stm32/hardware/stm32_usbdev.h b/arch/arm/src/stm32/hardware/stm32_usbdev.h
index 2583886f63..8d9f82f227 100644
--- a/arch/arm/src/stm32/hardware/stm32_usbdev.h
+++ b/arch/arm/src/stm32/hardware/stm32_usbdev.h
@@ -234,4 +234,3 @@
 
 #endif /* CONFIG_STM32_STM32F10XX || CONFIG_STM32_STM32F30XX || CONFIG_STM32_STM32F37XX */
 #endif /* __ARCH_ARM_SRC_STM32_HARDWARE_STM32_USBDEV_H */
-
diff --git a/arch/arm/src/stm32/hardware/stm32f103z_pinmap.h b/arch/arm/src/stm32/hardware/stm32f103z_pinmap.h
index 8595b289a1..d2fe868a74 100644
--- a/arch/arm/src/stm32/hardware/stm32f103z_pinmap.h
+++ b/arch/arm/src/stm32/hardware/stm32f103z_pinmap.h
@@ -587,4 +587,3 @@
 #define GPIO_NAND_NCE3    (GPIO_ALT|GPIO_CNF_AFPP|GPIO_MODE_50MHz|GPIO_PORTG|GPIO_PIN9)
 
 #endif /* __ARCH_ARM_SRC_STM32_HARDWARE_STM32F103Z_PINMAP_H */
-
diff --git a/arch/arm/src/stm32/hardware/stm32f10xxx_gpio.h b/arch/arm/src/stm32/hardware/stm32f10xxx_gpio.h
index 2c349ba396..c11428410b 100644
--- a/arch/arm/src/stm32/hardware/stm32f10xxx_gpio.h
+++ b/arch/arm/src/stm32/hardware/stm32f10xxx_gpio.h
@@ -397,4 +397,3 @@
 #endif
 
 #endif /* __ARCH_ARM_SRC_STM32_HARDWARE_STM32F10XXX_GPIO_H */
-
diff --git a/arch/arm/src/stm32/hardware/stm32f10xxx_memorymap.h b/arch/arm/src/stm32/hardware/stm32f10xxx_memorymap.h
index f67b91923e..b8916068b8 100644
--- a/arch/arm/src/stm32/hardware/stm32f10xxx_memorymap.h
+++ b/arch/arm/src/stm32/hardware/stm32f10xxx_memorymap.h
@@ -161,4 +161,3 @@
 #define STM32_DEBUGMCU_BASE  0xe0042000
 
 #endif /* __ARCH_ARM_SRC_STM32_HARDWARE_STM32F10XXX_MEMORYMAP_H */
-
diff --git a/arch/arm/src/stm32/hardware/stm32f10xxx_rcc.h b/arch/arm/src/stm32/hardware/stm32f10xxx_rcc.h
index ae0d8b4907..d8f0d27eb4 100644
--- a/arch/arm/src/stm32/hardware/stm32f10xxx_rcc.h
+++ b/arch/arm/src/stm32/hardware/stm32f10xxx_rcc.h
@@ -476,4 +476,3 @@
 #endif
 
 #endif /* __ARCH_ARM_SRC_STM32_HARDWARE_STM32F10XXX_RCC_H */
-
diff --git a/arch/arm/src/stm32/hardware/stm32f20xxx_gpio.h b/arch/arm/src/stm32/hardware/stm32f20xxx_gpio.h
index 2a85f00ab1..e2808c82fd 100644
--- a/arch/arm/src/stm32/hardware/stm32f20xxx_gpio.h
+++ b/arch/arm/src/stm32/hardware/stm32f20xxx_gpio.h
@@ -367,4 +367,3 @@
 #define GPIO_AFRH15_MASK           (15 << GPIO_AFRH15_SHIFT)
 
 #endif /* __ARCH_ARM_SRC_STM32_HARDWARE_STM32F20XXX_GPIO_H */
-
diff --git a/arch/arm/src/stm32/hardware/stm32f20xxx_memorymap.h b/arch/arm/src/stm32/hardware/stm32f20xxx_memorymap.h
index d657318ea1..36862eb808 100644
--- a/arch/arm/src/stm32/hardware/stm32f20xxx_memorymap.h
+++ b/arch/arm/src/stm32/hardware/stm32f20xxx_memorymap.h
@@ -206,4 +206,3 @@
 #define STM32_DEBUGMCU_BASE 0xe0042000
 
 #endif /* __ARCH_ARM_SRC_STM32_HARDWARE_STM32F20XXX_MEMORYMAP_H */
-
diff --git a/arch/arm/src/stm32/hardware/stm32f20xxx_pinmap.h b/arch/arm/src/stm32/hardware/stm32f20xxx_pinmap.h
index 47e5b38ad6..0b725a904d 100644
--- a/arch/arm/src/stm32/hardware/stm32f20xxx_pinmap.h
+++ b/arch/arm/src/stm32/hardware/stm32f20xxx_pinmap.h
@@ -697,4 +697,3 @@
 #define GPIO_USART6_TX_2      (GPIO_ALT|GPIO_AF8|GPIO_PULLUP|GPIO_SPEED_100MHz|GPIO_PUSHPULL|GPIO_PORTG|GPIO_PIN14)
 
 #endif /* __ARCH_ARM_SRC_STM32_HARDWARE_STM32F20XXX_PINMAP_H */
-
diff --git a/arch/arm/src/stm32/hardware/stm32f20xxx_rcc.h b/arch/arm/src/stm32/hardware/stm32f20xxx_rcc.h
index d00191a489..11e05c0ecb 100644
--- a/arch/arm/src/stm32/hardware/stm32f20xxx_rcc.h
+++ b/arch/arm/src/stm32/hardware/stm32f20xxx_rcc.h
@@ -503,4 +503,3 @@
 #define RCC_PLLI2SCFGR_PLLI2SR_MASK  (7 << RCC_PLLI2SCFGR_PLLI2SR_SHIFT)
 
 #endif /* __ARCH_ARM_SRC_STM32_HARDWARE_STM32F20XXX_RCC_H */
-
diff --git a/arch/arm/src/stm32/hardware/stm32f30xxx_gpio.h b/arch/arm/src/stm32/hardware/stm32f30xxx_gpio.h
index 6b5ec23ef8..3bc5763d42 100644
--- a/arch/arm/src/stm32/hardware/stm32f30xxx_gpio.h
+++ b/arch/arm/src/stm32/hardware/stm32f30xxx_gpio.h
@@ -329,4 +329,3 @@
 #define GPIO_BRR(n)                (1 << (n))
 
 #endif /* __ARCH_ARM_SRC_STM32_HARDWARE_STM32F30XXX_GPIO_H */
-
diff --git a/arch/arm/src/stm32/hardware/stm32f30xxx_memorymap.h b/arch/arm/src/stm32/hardware/stm32f30xxx_memorymap.h
index be8b1c51e4..4536e8a3bd 100644
--- a/arch/arm/src/stm32/hardware/stm32f30xxx_memorymap.h
+++ b/arch/arm/src/stm32/hardware/stm32f30xxx_memorymap.h
@@ -161,4 +161,3 @@
 #define STM32_DEBUGMCU_BASE 0xe0042000
 
 #endif /* __ARCH_ARM_SRC_STM32_HARDWARE_STM32F30XXX_MEMORYMAP_H */
-
diff --git a/arch/arm/src/stm32/hardware/stm32f30xxx_rcc.h b/arch/arm/src/stm32/hardware/stm32f30xxx_rcc.h
index 6f0f0915e6..0d4427fd0a 100644
--- a/arch/arm/src/stm32/hardware/stm32f30xxx_rcc.h
+++ b/arch/arm/src/stm32/hardware/stm32f30xxx_rcc.h
@@ -395,4 +395,3 @@
 #  define RCC_CFGR3_UART5SW_HSI     (0 << RCC_CFGR3_UART5SW_SHIFT) /* HSI clock */
 
 #endif /* __ARCH_ARM_SRC_STM32_HARDWARE_STM32F30XXX_RCC_H */
-
diff --git a/arch/arm/src/stm32/hardware/stm32f37xxx_pinmap.h b/arch/arm/src/stm32/hardware/stm32f37xxx_pinmap.h
index 7c33d28304..7a8f0adeb5 100644
--- a/arch/arm/src/stm32/hardware/stm32f37xxx_pinmap.h
+++ b/arch/arm/src/stm32/hardware/stm32f37xxx_pinmap.h
@@ -609,4 +609,3 @@
 #define GPIO_PF10_EVENT_OUT (GPIO_ALT|GPIO_AF1|GPIO_PORTF|GPIO_PIN10)
 
 #endif /* __ARCH_ARM_SRC_STM32_HARDWARE_STM32F37XXX_PINMAP_H */
-
diff --git a/arch/arm/src/stm32/hardware/stm32f37xxx_rcc.h b/arch/arm/src/stm32/hardware/stm32f37xxx_rcc.h
index 4b724050ad..ad877a7224 100644
--- a/arch/arm/src/stm32/hardware/stm32f37xxx_rcc.h
+++ b/arch/arm/src/stm32/hardware/stm32f37xxx_rcc.h
@@ -388,4 +388,3 @@
 #  define RCC_CFGR3_USART3SW_HSI    (0 << RCC_CFGR3_USART3SW_SHIFT) /* HSI clock */
 
 #endif /* __ARCH_ARM_SRC_STM32_HARDWARE_STM32F37XXX_RCC_H */
-
diff --git a/arch/arm/src/stm32/hardware/stm32f40xxx_gpio.h b/arch/arm/src/stm32/hardware/stm32f40xxx_gpio.h
index 9d48b6a17b..1f51a38d17 100644
--- a/arch/arm/src/stm32/hardware/stm32f40xxx_gpio.h
+++ b/arch/arm/src/stm32/hardware/stm32f40xxx_gpio.h
@@ -393,4 +393,3 @@
 #define GPIO_AFRH15_MASK           (15 << GPIO_AFRH15_SHIFT)
 
 #endif /* __ARCH_ARM_SRC_STM32_HARDWARE_STM32F40XXX_GPIO_H */
-
diff --git a/arch/arm/src/stm32/hardware/stm32f40xxx_memorymap.h b/arch/arm/src/stm32/hardware/stm32f40xxx_memorymap.h
index 6517ec21b4..72eebb6937 100644
--- a/arch/arm/src/stm32/hardware/stm32f40xxx_memorymap.h
+++ b/arch/arm/src/stm32/hardware/stm32f40xxx_memorymap.h
@@ -228,4 +228,3 @@
 #define STM32_DEBUGMCU_BASE 0xe0042000
 
 #endif /* __ARCH_ARM_SRC_STM32_HARDWARE_STM32F40XXX_MEMORYMAP_H */
-
diff --git a/arch/arm/src/stm32/hardware/stm32l15xxx_rcc.h b/arch/arm/src/stm32/hardware/stm32l15xxx_rcc.h
index 8df4f0e20a..f6bb174db9 100644
--- a/arch/arm/src/stm32/hardware/stm32l15xxx_rcc.h
+++ b/arch/arm/src/stm32/hardware/stm32l15xxx_rcc.h
@@ -462,4 +462,3 @@
 #define RCC_CSR_LPWRRSTF            (1 << 31) /* Bit 31: Low-Power reset flag */
 
 #endif /* __ARCH_ARM_SRC_STM32_HARDWARE_STM32L15XXX_RCC_H */
-
diff --git a/arch/arm/src/stm32/stm32.h b/arch/arm/src/stm32/stm32.h
index ad70df23b9..ba3fcb1473 100644
--- a/arch/arm/src/stm32/stm32.h
+++ b/arch/arm/src/stm32/stm32.h
@@ -83,4 +83,3 @@
 #include "stm32_eth.h"
 
 #endif /* __ARCH_ARM_SRC_STM32_STM32_H */
-
diff --git a/arch/arm/src/stm32/stm32_dac.h b/arch/arm/src/stm32/stm32_dac.h
index a75d8dd3c6..e77ae3a547 100644
--- a/arch/arm/src/stm32/stm32_dac.h
+++ b/arch/arm/src/stm32/stm32_dac.h
@@ -148,4 +148,3 @@ FAR struct dac_dev_s *stm32_dacinitialize(int intf);
 #endif /* __ASSEMBLY__ */
 
 #endif /* __ARCH_ARM_SRC_STM32_STM32_DAC_H */
-
diff --git a/arch/arm/src/stm32/stm32_eth.h b/arch/arm/src/stm32/stm32_eth.h
index 5892e8fc54..27cfb2d51b 100644
--- a/arch/arm/src/stm32/stm32_eth.h
+++ b/arch/arm/src/stm32/stm32_eth.h
@@ -118,4 +118,3 @@ int stm32_phy_boardinitialize(int intf);
 #endif /* __ASSEMBLY__ */
 #endif /* STM32_NETHERNET > 0 */
 #endif /* __ARCH_ARM_SRC_STM32_STM32_ETH_H */
-
diff --git a/arch/arm/src/stm32/stm32_gpio.c b/arch/arm/src/stm32/stm32_gpio.c
index ec0bbb0208..0d0a3f9fac 100644
--- a/arch/arm/src/stm32/stm32_gpio.c
+++ b/arch/arm/src/stm32/stm32_gpio.c
@@ -819,4 +819,3 @@ void stm32_iocompensation(void)
 #endif
 }
 #endif
-
diff --git a/arch/arm/src/stm32/stm32_lowputc.h b/arch/arm/src/stm32/stm32_lowputc.h
index 2f95afbab0..41f3769811 100644
--- a/arch/arm/src/stm32/stm32_lowputc.h
+++ b/arch/arm/src/stm32/stm32_lowputc.h
@@ -77,4 +77,3 @@ void stm32_lowsetup(void);
 
 #endif /* __ASSEMBLY__ */
 #endif /* __ARCH_ARM_SRC_STM32_STM32_LOWPUTC_H */
-
diff --git a/arch/arm/src/stm32/stm32_mpuinit.c b/arch/arm/src/stm32/stm32_mpuinit.c
index 552e75d1fd..78fe2b4b84 100644
--- a/arch/arm/src/stm32/stm32_mpuinit.c
+++ b/arch/arm/src/stm32/stm32_mpuinit.c
@@ -121,4 +121,3 @@ void stm32_mpu_uheap(uintptr_t start, size_t size)
 }
 
 #endif /* CONFIG_BUILD_PROTECTED && CONFIG_ARM_MPU */
-
diff --git a/arch/arm/src/stm32/stm32_otgfs.h b/arch/arm/src/stm32/stm32_otgfs.h
index fbaa2877e3..90900a7468 100644
--- a/arch/arm/src/stm32/stm32_otgfs.h
+++ b/arch/arm/src/stm32/stm32_otgfs.h
@@ -116,4 +116,3 @@ void stm32_usbsuspend(FAR struct usbdev_s *dev, bool resume);
 #endif /* __ASSEMBLY__ */
 #endif /* CONFIG_STM32_OTGFS */
 #endif /* __ARCH_ARM_SRC_STM32_STM32_OTGFS_H */
-
diff --git a/arch/arm/src/stm32/stm32_otghs.h b/arch/arm/src/stm32/stm32_otghs.h
index da492bcfd6..b0ecae8420 100644
--- a/arch/arm/src/stm32/stm32_otghs.h
+++ b/arch/arm/src/stm32/stm32_otghs.h
@@ -115,4 +115,3 @@ void stm32_usbsuspend(FAR struct usbdev_s *dev, bool resume);
 #endif /* __ASSEMBLY__ */
 #endif /* CONFIG_STM32_OTGFS */
 #endif /* __ARCH_ARM_SRC_STM32_STM32_OTGHS_H */
-
diff --git a/arch/arm/src/stm32/stm32_qencoder.h b/arch/arm/src/stm32/stm32_qencoder.h
index 98c5b25f11..92cc2472fa 100644
--- a/arch/arm/src/stm32/stm32_qencoder.h
+++ b/arch/arm/src/stm32/stm32_qencoder.h
@@ -139,4 +139,3 @@ int stm32_qeinitialize(FAR const char *devpath, int tim);
 
 #endif /* CONFIG_SENSORS_QENCODER */
 #endif /* __ARCH_ARM_SRC_STM32_STM32_QENCODER_H */
-
diff --git a/arch/arm/src/stm32/stm32_sdio.h b/arch/arm/src/stm32/stm32_sdio.h
index f702528c23..2ea7221e96 100644
--- a/arch/arm/src/stm32/stm32_sdio.h
+++ b/arch/arm/src/stm32/stm32_sdio.h
@@ -146,4 +146,3 @@ void sdio_set_sdio_card_isr(FAR struct sdio_dev_s *dev,
 
 #endif /* __ASSEMBLY__ */
 #endif /* __ARCH_ARM_SRC_STM32_STM32_SDIO_H */
-
diff --git a/arch/arm/src/stm32/stm32_spi.h b/arch/arm/src/stm32/stm32_spi.h
index e8d45a3b4f..6bcdf72d15 100644
--- a/arch/arm/src/stm32/stm32_spi.h
+++ b/arch/arm/src/stm32/stm32_spi.h
@@ -212,4 +212,3 @@ int stm32_spi6register(FAR struct spi_dev_s *dev, spi_mediachange_t callback,
 
 #endif /* __ASSEMBLY__ */
 #endif /* __ARCH_ARM_STC_STM32_STM32_SPI_H */
-
diff --git a/arch/arm/src/stm32/stm32_uid.c b/arch/arm/src/stm32/stm32_uid.c
index 48fd550302..e008877388 100644
--- a/arch/arm/src/stm32/stm32_uid.c
+++ b/arch/arm/src/stm32/stm32_uid.c
@@ -59,4 +59,3 @@ void stm32_get_uniqueid(uint8_t uniqueid[12])
 }
 
 #endif /* STM32_SYSMEM_UID */
-
diff --git a/arch/arm/src/stm32/stm32_usbdev.h b/arch/arm/src/stm32/stm32_usbdev.h
index cbf511e090..cacc5817a8 100644
--- a/arch/arm/src/stm32/stm32_usbdev.h
+++ b/arch/arm/src/stm32/stm32_usbdev.h
@@ -94,4 +94,3 @@ void stm32_usbsuspend(FAR struct usbdev_s *dev, bool resume);
 
 #endif /* __ASSEMBLY__ */
 #endif /* __ARCH_ARM_SRC_STM32_STM32_USBDEV_H */
-
diff --git a/arch/arm/src/stm32/stm32_userspace.c b/arch/arm/src/stm32/stm32_userspace.c
index 9e3a537d08..64d988e94d 100644
--- a/arch/arm/src/stm32/stm32_userspace.c
+++ b/arch/arm/src/stm32/stm32_userspace.c
@@ -116,4 +116,3 @@ void stm32_userspace(void)
 }
 
 #endif /* CONFIG_BUILD_PROTECTED */
-
diff --git a/arch/arm/src/stm32/stm32f40xxx_rtcc.c b/arch/arm/src/stm32/stm32f40xxx_rtcc.c
index 4eb4d9ab51..128d64ba1e 100644
--- a/arch/arm/src/stm32/stm32f40xxx_rtcc.c
+++ b/arch/arm/src/stm32/stm32f40xxx_rtcc.c
@@ -1635,4 +1635,3 @@ int stm32_rtc_rdalarm(FAR struct alm_rdalarm_s *alminfo)
 #endif
 
 #endif /* CONFIG_STM32_RTC */
-
diff --git a/arch/arm/src/stm32f0l0g0/hardware/stm32_pwr.h b/arch/arm/src/stm32f0l0g0/hardware/stm32_pwr.h
index 3cd05ce057..0003a06089 100644
--- a/arch/arm/src/stm32f0l0g0/hardware/stm32_pwr.h
+++ b/arch/arm/src/stm32f0l0g0/hardware/stm32_pwr.h
@@ -55,4 +55,3 @@
 #endif
 
 #endif /* __ARCH_ARM_SRC_STM32F0L0G0_HARDWARE_STM32_PWR_H */
-
diff --git a/arch/arm/src/stm32f7/Kconfig b/arch/arm/src/stm32f7/Kconfig
index 9c57e57b63..81a33c8d9f 100644
--- a/arch/arm/src/stm32f7/Kconfig
+++ b/arch/arm/src/stm32f7/Kconfig
@@ -1124,7 +1124,7 @@ config STM32F7_PROGMEM
 	bool "Flash progmem support"
 	default n
 	---help---
-		Add progmem support, start block and end block options are provided to 
+		Add progmem support, start block and end block options are provided to
 		obtain an uniform flash memory mapping.
 
 if STM32F7_PROGMEM
diff --git a/arch/arm/src/stm32f7/Make.defs b/arch/arm/src/stm32f7/Make.defs
index c0d8a25d2d..edf9115725 100644
--- a/arch/arm/src/stm32f7/Make.defs
+++ b/arch/arm/src/stm32f7/Make.defs
@@ -244,4 +244,3 @@ endif
 ifeq ($(CONFIG_PWM),y)
 CHIP_CSRCS += stm32_pwm.c
 endif
-
diff --git a/arch/arm/src/stm32f7/hardware/stm32_ethernet.h b/arch/arm/src/stm32f7/hardware/stm32_ethernet.h
index f8133be7bc..e8e76b3246 100644
--- a/arch/arm/src/stm32f7/hardware/stm32_ethernet.h
+++ b/arch/arm/src/stm32f7/hardware/stm32_ethernet.h
@@ -809,4 +809,3 @@ struct eth_rxdesc_s
 #endif /* __ASSEMBLY__ */
 #endif /* CONFIG_STM32F7_STM32F74XX || CONFIG_STM32F7_STM32F75XX || CONFIG_STM32F7_STM32F76XX || CONFIG_STM32F7_STM32F77XX */
 #endif /* __ARCH_ARM_SRC_STM32F7_HARDWARE_STM32_ETHERNET_H */
-
diff --git a/arch/arm/src/stm32f7/hardware/stm32_pinmap.h b/arch/arm/src/stm32f7/hardware/stm32_pinmap.h
index 1fe28114ea..06293344bb 100644
--- a/arch/arm/src/stm32f7/hardware/stm32_pinmap.h
+++ b/arch/arm/src/stm32f7/hardware/stm32_pinmap.h
@@ -55,4 +55,3 @@
 #endif
 
 #endif /* __ARCH_ARM_SRC_STM32F7_HARDWARE_STM32_PINMAP_H */
-
diff --git a/arch/arm/src/stm32f7/hardware/stm32f74xx77xx_i2c.h b/arch/arm/src/stm32f7/hardware/stm32f74xx77xx_i2c.h
index f6a5d848c6..b8df45c145 100644
--- a/arch/arm/src/stm32f7/hardware/stm32f74xx77xx_i2c.h
+++ b/arch/arm/src/stm32f7/hardware/stm32f74xx77xx_i2c.h
@@ -261,4 +261,3 @@
 #define I2C_TXDR_MASK             (0xff)
 
 #endif /* __ARCH_ARM_SRC_STM32F7_HARDWARE_STM32F74XX77XX_I2C_H */
-
diff --git a/arch/arm/src/stm32f7/hardware/stm32f74xx77xx_sdmmc.h b/arch/arm/src/stm32f7/hardware/stm32f74xx77xx_sdmmc.h
index 8999a12be8..118039a544 100644
--- a/arch/arm/src/stm32f7/hardware/stm32f74xx77xx_sdmmc.h
+++ b/arch/arm/src/stm32f7/hardware/stm32f74xx77xx_sdmmc.h
@@ -221,4 +221,3 @@
 #define STM32_SDMMC_FIFOCNT_MASK              (0x0ffffff << STM32_SDMMC_FIFOCNT_SHIFT)
 
 #endif /* __ARCH_ARM_SRC_STM32F7_HARDWARE_STM32F74XX77XX_SDMMC_H */
-
diff --git a/arch/arm/src/stm32f7/hardware/stm32f76xx77xx_syscfg.h b/arch/arm/src/stm32f7/hardware/stm32f76xx77xx_syscfg.h
index 58dd011007..315f92a1da 100644
--- a/arch/arm/src/stm32f7/hardware/stm32f76xx77xx_syscfg.h
+++ b/arch/arm/src/stm32f7/hardware/stm32f76xx77xx_syscfg.h
@@ -178,4 +178,3 @@
 
 #endif /* CONFIG_STM32F7_STM32F76XX || CONFIG_STM32F7_STM32F77XX */
 #endif /* __ARCH_ARM_SRC_STM32F7_HARDWARE_STM32F76XX77XX_SYSCFG_H */
-
diff --git a/arch/arm/src/stm32f7/stm32_ethernet.h b/arch/arm/src/stm32f7/stm32_ethernet.h
index 6c87254514..fad8e365a6 100644
--- a/arch/arm/src/stm32f7/stm32_ethernet.h
+++ b/arch/arm/src/stm32f7/stm32_ethernet.h
@@ -115,4 +115,3 @@ int stm32_phy_boardinitialize(int intf);
 #endif /* __ASSEMBLY__ */
 #endif /* STM32F7_NETHERNET > 0 */
 #endif /* __ARCH_ARM_SRC_STM32F7_STM32_ETHERNET_H */
-
diff --git a/arch/arm/src/stm32f7/stm32_lowputc.h b/arch/arm/src/stm32f7/stm32_lowputc.h
index a848277a18..7fb19a8770 100644
--- a/arch/arm/src/stm32f7/stm32_lowputc.h
+++ b/arch/arm/src/stm32f7/stm32_lowputc.h
@@ -75,4 +75,3 @@ void stm32_lowsetup(void);
 
 #endif /* __ASSEMBLY__ */
 #endif /* __ARCH_ARM_SRC_STM32F7_STM32_LOWPUTC_H */
-
diff --git a/arch/arm/src/stm32f7/stm32_mpuinit.c b/arch/arm/src/stm32f7/stm32_mpuinit.c
index 096742a0ec..d0cafa291d 100644
--- a/arch/arm/src/stm32f7/stm32_mpuinit.c
+++ b/arch/arm/src/stm32f7/stm32_mpuinit.c
@@ -113,4 +113,3 @@ void stm32_mpu_uheap(uintptr_t start, size_t size)
 }
 
 #endif /* CONFIG_BUILD_PROTECTED && CONFIG_ARM_MPU */
-
diff --git a/arch/arm/src/stm32f7/stm32_qencoder.h b/arch/arm/src/stm32f7/stm32_qencoder.h
index 2e9f5e903d..e105fa192a 100644
--- a/arch/arm/src/stm32f7/stm32_qencoder.h
+++ b/arch/arm/src/stm32f7/stm32_qencoder.h
@@ -140,4 +140,3 @@ int stm32_qeinitialize(FAR const char *devpath, int tim);
 
 #endif /* CONFIG_SENSORS_QENCODER */
 #endif /* __ARCH_ARM_SRC_STM32F7_STM32_QENCODER_H */
-
diff --git a/arch/arm/src/stm32f7/stm32_sdmmc.h b/arch/arm/src/stm32f7/stm32_sdmmc.h
index ef12c46514..fbaf548ea3 100644
--- a/arch/arm/src/stm32f7/stm32_sdmmc.h
+++ b/arch/arm/src/stm32f7/stm32_sdmmc.h
@@ -126,4 +126,3 @@ void sdio_wrprotect(FAR struct sdio_dev_s *dev, bool wrprotect);
 
 #endif /* __ASSEMBLY__ */
 #endif /* __ARCH_ARM_SRC_STM32F7_STM32_SDMMC_H */
-
diff --git a/arch/arm/src/stm32f7/stm32_spi.h b/arch/arm/src/stm32f7/stm32_spi.h
index 87434127ed..aace78992c 100644
--- a/arch/arm/src/stm32f7/stm32_spi.h
+++ b/arch/arm/src/stm32f7/stm32_spi.h
@@ -205,4 +205,3 @@ int stm32_spi6register(FAR struct spi_dev_s *dev, spi_mediachange_t callback,
 
 #endif /* __ASSEMBLY__ */
 #endif /* __ARCH_ARM_SRC_STM32F7_STM32_SPI_H */
-
diff --git a/arch/arm/src/stm32f7/stm32_uid.c b/arch/arm/src/stm32f7/stm32_uid.c
index 521a6274de..d0119f34c7 100644
--- a/arch/arm/src/stm32f7/stm32_uid.c
+++ b/arch/arm/src/stm32f7/stm32_uid.c
@@ -60,4 +60,3 @@ void stm32_get_uniqueid(uint8_t uniqueid[12])
 }
 
 #endif /* STM32_SYSMEM_UID */
-
diff --git a/arch/arm/src/stm32h7/hardware/stm32_pinmap.h b/arch/arm/src/stm32h7/hardware/stm32_pinmap.h
index c51284bc7d..1ebd81a07a 100644
--- a/arch/arm/src/stm32h7/hardware/stm32_pinmap.h
+++ b/arch/arm/src/stm32h7/hardware/stm32_pinmap.h
@@ -52,4 +52,3 @@
 #endif
 
 #endif /* __ARCH_ARM_SRC_STM32H7_HARDWARE_STM32_PINMAP_H */
-
diff --git a/arch/arm/src/stm32h7/hardware/stm32h7x3xx_memorymap.h b/arch/arm/src/stm32h7/hardware/stm32h7x3xx_memorymap.h
index ef72802040..21e9847d1c 100644
--- a/arch/arm/src/stm32h7/hardware/stm32h7x3xx_memorymap.h
+++ b/arch/arm/src/stm32h7/hardware/stm32h7x3xx_memorymap.h
@@ -234,8 +234,8 @@
 #define STM32_SYSMEM_UID       0x1ff1e800
 
 /* The DBGMCU registers are accessible to the debugger via the APB-D bus
- * at base address 0xe00e1000. They are also accessible by the processor 
- * core at base address 0x5c001000. 
+ * at base address 0xe00e1000. They are also accessible by the processor
+ * core at base address 0x5c001000.
  */
 
 #define STM32_DEBUGMCU_BASE    0x5c001000
diff --git a/arch/arm/src/stm32h7/stm32_qencoder.h b/arch/arm/src/stm32h7/stm32_qencoder.h
index 05871d05f3..cc1e1a8b8f 100644
--- a/arch/arm/src/stm32h7/stm32_qencoder.h
+++ b/arch/arm/src/stm32h7/stm32_qencoder.h
@@ -140,4 +140,3 @@ int stm32_qeinitialize(FAR const char *devpath, int tim);
 
 #endif /* CONFIG_SENSORS_QENCODER */
 #endif /* __ARCH_ARM_SRC_STM32H7_STM32_QENCODER_H */
-
diff --git a/arch/arm/src/stm32l4/README.txt b/arch/arm/src/stm32l4/README.txt
index d9a7d1f30c..0f88d839b5 100644
--- a/arch/arm/src/stm32l4/README.txt
+++ b/arch/arm/src/stm32l4/README.txt
@@ -100,4 +100,3 @@ GFXMMU     : TODO
 LTDC       : TODO
 OCTOSPI    : TODO
 OCTOSPIIOM : TODO
-
diff --git a/arch/arm/src/stm32l4/hardware/stm32l4_exti.h b/arch/arm/src/stm32l4/hardware/stm32l4_exti.h
index 05970c9739..b25b4f9f98 100644
--- a/arch/arm/src/stm32l4/hardware/stm32l4_exti.h
+++ b/arch/arm/src/stm32l4/hardware/stm32l4_exti.h
@@ -177,4 +177,3 @@
 #define EXTI_PR2_MASK             STM32L4_EXTI2_MASK
 
 #endif /* __ARCH_ARM_SRC_STM32L4_HARDWARE_STM32L4_EXTI_H */
-
diff --git a/arch/arm/src/stm32l4/hardware/stm32l4_gpio.h b/arch/arm/src/stm32l4/hardware/stm32l4_gpio.h
index 7254ee6962..ce24fb58f5 100644
--- a/arch/arm/src/stm32l4/hardware/stm32l4_gpio.h
+++ b/arch/arm/src/stm32l4/hardware/stm32l4_gpio.h
@@ -372,4 +372,3 @@
 #define GPIO_AFRH15_MASK           (15 << GPIO_AFRH15_SHIFT)
 
 #endif /* __ARCH_ARM_SRC_STM32L4_HARDWARE_STM32L4_GPIO_H */
-
diff --git a/arch/arm/src/stm32l4/hardware/stm32l4_i2c.h b/arch/arm/src/stm32l4/hardware/stm32l4_i2c.h
index 4720c00254..f0d39e1793 100644
--- a/arch/arm/src/stm32l4/hardware/stm32l4_i2c.h
+++ b/arch/arm/src/stm32l4/hardware/stm32l4_i2c.h
@@ -260,4 +260,3 @@
 #define I2C_TXDR_MASK             (0xff)
 
 #endif /* __ARCH_ARM_SRC_STM32L4_HARDWARE_STM32L4_I2C_H */
-
diff --git a/arch/arm/src/stm32l4/hardware/stm32l4_memorymap.h b/arch/arm/src/stm32l4/hardware/stm32l4_memorymap.h
index 66c669aed3..ca4e3e7322 100644
--- a/arch/arm/src/stm32l4/hardware/stm32l4_memorymap.h
+++ b/arch/arm/src/stm32l4/hardware/stm32l4_memorymap.h
@@ -233,4 +233,3 @@
 #define STM32L4_DEBUGMCU_BASE 0xe0042000
 
 #endif /* __ARCH_ARM_SRC_STM32L4_STM32L4_MEMORYMAP_H */
-
diff --git a/arch/arm/src/stm32l4/hardware/stm32l4_pinmap.h b/arch/arm/src/stm32l4/hardware/stm32l4_pinmap.h
index 77e053f2fb..d26c7a190e 100644
--- a/arch/arm/src/stm32l4/hardware/stm32l4_pinmap.h
+++ b/arch/arm/src/stm32l4/hardware/stm32l4_pinmap.h
@@ -57,4 +57,3 @@
 #endif
 
 #endif /* __ARCH_ARM_SRC_STM32L4_HARDWARE_STM32L4_PINMAP_H */
-
diff --git a/arch/arm/src/stm32l4/hardware/stm32l4_qspi.h b/arch/arm/src/stm32l4/hardware/stm32l4_qspi.h
index 33e771d9dd..ba9a6556c9 100644
--- a/arch/arm/src/stm32l4/hardware/stm32l4_qspi.h
+++ b/arch/arm/src/stm32l4/hardware/stm32l4_qspi.h
@@ -235,5 +235,3 @@
  ****************************************************************************************/
 
 #endif /* __ARCH_ARM_SRC_STM32L4_HARDWARE_STM32L4_QSPI_H */
-
-
diff --git a/arch/arm/src/stm32l4/hardware/stm32l4_sdmmc.h b/arch/arm/src/stm32l4/hardware/stm32l4_sdmmc.h
index f68a6a9366..df06cb3746 100644
--- a/arch/arm/src/stm32l4/hardware/stm32l4_sdmmc.h
+++ b/arch/arm/src/stm32l4/hardware/stm32l4_sdmmc.h
@@ -216,4 +216,3 @@
 #define STM32_SDMMC_FIFOCNT_MASK              (0x0ffffff << STM32_SDMMC_FIFOCNT_SHIFT)
 
 #endif /* __ARCH_ARM_SRC_STM32L4_HARDWARE_STM32L46XX_SDMMC_H */
-
diff --git a/arch/arm/src/stm32l4/hardware/stm32l4_spi.h b/arch/arm/src/stm32l4/hardware/stm32l4_spi.h
index b1694db202..e7e1f0b2ba 100644
--- a/arch/arm/src/stm32l4/hardware/stm32l4_spi.h
+++ b/arch/arm/src/stm32l4/hardware/stm32l4_spi.h
@@ -174,4 +174,3 @@
 #  define SPI_SR_FTLVL_FULL      (3 << SPI_SR_FTLVL_SHIFT) /* FIFO full */
 
 #endif /* __ARCH_ARM_SRC_STM32L4_HARDWARE_STM32L4_SPI_H */
-
diff --git a/arch/arm/src/stm32l4/hardware/stm32l4_uart.h b/arch/arm/src/stm32l4/hardware/stm32l4_uart.h
index efd5a95a3b..12428c9b7b 100644
--- a/arch/arm/src/stm32l4/hardware/stm32l4_uart.h
+++ b/arch/arm/src/stm32l4/hardware/stm32l4_uart.h
@@ -315,4 +315,3 @@
  ************************************************************************************/
 
 #endif /* __ARCH_ARM_SRC_STM32L4_HARDWARE_STM32L4_UART_H */
-
diff --git a/arch/arm/src/stm32l4/hardware/stm32l4_usbdev.h b/arch/arm/src/stm32l4/hardware/stm32l4_usbdev.h
index f1a9cc44bb..83a4e1222a 100644
--- a/arch/arm/src/stm32l4/hardware/stm32l4_usbdev.h
+++ b/arch/arm/src/stm32l4/hardware/stm32l4_usbdev.h
@@ -262,4 +262,3 @@
 
 #endif /* CONFIG_STM32L4_STM32L4X2 */
 #endif /* __ARCH_ARM_SRC_STM32L4_HARDWARE_STM32L4_USBDEV_H */
-
diff --git a/arch/arm/src/stm32l4/hardware/stm32l4x3xx_rcc.h b/arch/arm/src/stm32l4/hardware/stm32l4x3xx_rcc.h
index 33e839c128..b06f23e680 100644
--- a/arch/arm/src/stm32l4/hardware/stm32l4x3xx_rcc.h
+++ b/arch/arm/src/stm32l4/hardware/stm32l4x3xx_rcc.h
@@ -798,4 +798,3 @@
 
 #endif /* CONFIG_STM32L4_STM32L4X3 */
 #endif /* __ARCH_ARM_SRC_STM32L4_HARDWARE_STM32L4X3XX_RCC_H */
-
diff --git a/arch/arm/src/stm32l4/stm32l4_dma.c b/arch/arm/src/stm32l4/stm32l4_dma.c
index 897e3231e2..94d0a75622 100644
--- a/arch/arm/src/stm32l4/stm32l4_dma.c
+++ b/arch/arm/src/stm32l4/stm32l4_dma.c
@@ -55,4 +55,3 @@
 #else
 #  error "Unsupported STM32L4 chip"
 #endif
-
diff --git a/arch/arm/src/stm32l4/stm32l4_i2c.c b/arch/arm/src/stm32l4/stm32l4_i2c.c
index 060843d71e..f3b65708f3 100644
--- a/arch/arm/src/stm32l4/stm32l4_i2c.c
+++ b/arch/arm/src/stm32l4/stm32l4_i2c.c
@@ -3007,4 +3007,3 @@ int stm32l4_i2cbus_uninitialize(FAR struct i2c_master_s * dev)
 }
 
 #endif /* CONFIG_STM32L4_I2C1 || CONFIG_STM32L4_I2C2 || CONFIG_STM32L4_I2C3 || CONFIG_STM32L4_I2C4 */
-
diff --git a/arch/arm/src/stm32l4/stm32l4_lowputc.c b/arch/arm/src/stm32l4/stm32l4_lowputc.c
index 43d6cea413..14003eec42 100644
--- a/arch/arm/src/stm32l4/stm32l4_lowputc.c
+++ b/arch/arm/src/stm32l4/stm32l4_lowputc.c
@@ -385,4 +385,3 @@ void stm32l4_lowsetup(void)
 #endif /* HAVE_CONSOLE && !CONFIG_SUPPRESS_UART_CONFIG */
 #endif /* HAVE_UART */
 }
-
diff --git a/arch/arm/src/stm32l4/stm32l4_lowputc.h b/arch/arm/src/stm32l4/stm32l4_lowputc.h
index e00820f2ad..96d8d44d3d 100644
--- a/arch/arm/src/stm32l4/stm32l4_lowputc.h
+++ b/arch/arm/src/stm32l4/stm32l4_lowputc.h
@@ -77,4 +77,3 @@ void stm32l4_lowsetup(void);
 
 #endif /* __ASSEMBLY__ */
 #endif /* __ARCH_ARM_SRC_STM32L4_STM32L4_LOWPUTC_H */
-
diff --git a/arch/arm/src/stm32l4/stm32l4_mpuinit.c b/arch/arm/src/stm32l4/stm32l4_mpuinit.c
index dc77c0a8a3..7faa8b44e3 100644
--- a/arch/arm/src/stm32l4/stm32l4_mpuinit.c
+++ b/arch/arm/src/stm32l4/stm32l4_mpuinit.c
@@ -113,4 +113,3 @@ void stm32l4_mpu_uheap(uintptr_t start, size_t size)
 }
 
 #endif /* CONFIG_BUILD_PROTECTED && CONFIG_ARM_MPU */
-
diff --git a/arch/arm/src/stm32l4/stm32l4_pwm.c b/arch/arm/src/stm32l4/stm32l4_pwm.c
index e30326c53c..c3a5e6198f 100644
--- a/arch/arm/src/stm32l4/stm32l4_pwm.c
+++ b/arch/arm/src/stm32l4/stm32l4_pwm.c
@@ -194,7 +194,7 @@ struct stm32l4_pwmtimer_s
   FAR const struct pwm_ops_s *ops;      /* PWM operations */
 #ifdef CONFIG_STM32L4_PWM_LL_OPS
   FAR const struct stm32l4_pwm_ops_s *llops; /* Low-level PWM ops */
-#endif  
+#endif
   FAR struct stm32l4_pwmchan_s *channels; /* Channels configuration */
   uint8_t  timid:5;                     /* Timer ID {1,...,17} */
   uint8_t  chan_num:3;                  /* Number of configured channels */
@@ -210,7 +210,7 @@ struct stm32l4_pwmtimer_s
   uint8_t  trgo;                        /* TRGO configuration:
                                          * 4 LSB = TRGO, 4 MSB = TRGO2
                                          */
-#endif  
+#endif
 #ifdef CONFIG_PWM_PULSECOUNT
   uint8_t irq;                         /* Timer update IRQ */
   uint8_t prev;                        /* The previous value of the RCR (pre-loaded) */
diff --git a/arch/arm/src/stm32l4/stm32l4_qencoder.h b/arch/arm/src/stm32l4/stm32l4_qencoder.h
index b2d2b445c6..00b7cd1b93 100644
--- a/arch/arm/src/stm32l4/stm32l4_qencoder.h
+++ b/arch/arm/src/stm32l4/stm32l4_qencoder.h
@@ -138,4 +138,3 @@ int stm32l4_qeinitialize(FAR const char *devpath, int tim);
 
 #endif /* CONFIG_SENSORS_QENCODER */
 #endif /* __ARCH_ARM_SRC_STM32L4_STM32L4_QENCODER_H */
-
diff --git a/arch/arm/src/stm32l4/stm32l4_rcc.c b/arch/arm/src/stm32l4/stm32l4_rcc.c
index e29d1b53bd..0e37e78ad2 100644
--- a/arch/arm/src/stm32l4/stm32l4_rcc.c
+++ b/arch/arm/src/stm32l4/stm32l4_rcc.c
@@ -261,4 +261,3 @@ void stm32l4_clockenable(void)
 #endif
 }
 #endif
-
diff --git a/arch/arm/src/stm32l4/stm32l4_sdmmc.h b/arch/arm/src/stm32l4/stm32l4_sdmmc.h
index b32d6158b8..223826d090 100644
--- a/arch/arm/src/stm32l4/stm32l4_sdmmc.h
+++ b/arch/arm/src/stm32l4/stm32l4_sdmmc.h
@@ -127,4 +127,3 @@ void sdio_wrprotect(FAR struct sdio_dev_s *dev, bool wrprotect);
 
 #endif /* __ASSEMBLY__ */
 #endif /* __ARCH_ARM_SRC_STM32L4_STM32_SDMMC_H */
-
diff --git a/arch/arm/src/stm32l4/stm32l4_spi.c b/arch/arm/src/stm32l4/stm32l4_spi.c
index 888e2d6115..5286f308c8 100644
--- a/arch/arm/src/stm32l4/stm32l4_spi.c
+++ b/arch/arm/src/stm32l4/stm32l4_spi.c
@@ -1865,4 +1865,3 @@ FAR struct spi_dev_s *stm32l4_spibus_initialize(int bus)
 }
 
 #endif /* CONFIG_STM32L4_SPI1 || CONFIG_STM32L4_SPI2 || CONFIG_STM32L4_SPI3 */
-
diff --git a/arch/arm/src/stm32l4/stm32l4_spi.h b/arch/arm/src/stm32l4/stm32l4_spi.h
index bda57dde40..092b16e44d 100644
--- a/arch/arm/src/stm32l4/stm32l4_spi.h
+++ b/arch/arm/src/stm32l4/stm32l4_spi.h
@@ -177,4 +177,3 @@ int stm32l4_spi3register(FAR struct spi_dev_s *dev, spi_mediachange_t callback,
 
 #endif /* __ASSEMBLY__ */
 #endif /* __ARCH_ARM_SRC_STM32L4_STM32L4_SPI_H */
-
diff --git a/arch/arm/src/stm32l4/stm32l4_timerisr.c b/arch/arm/src/stm32l4/stm32l4_timerisr.c
index b259acb713..7972d80e1c 100644
--- a/arch/arm/src/stm32l4/stm32l4_timerisr.c
+++ b/arch/arm/src/stm32l4/stm32l4_timerisr.c
@@ -159,4 +159,3 @@ void arm_timer_initialize(void)
 
   up_enable_irq(STM32L4_IRQ_SYSTICK);
 }
-
diff --git a/arch/arm/src/stm32l4/stm32l4_uart.h b/arch/arm/src/stm32l4/stm32l4_uart.h
index 2e735bf83c..7145deb768 100644
--- a/arch/arm/src/stm32l4/stm32l4_uart.h
+++ b/arch/arm/src/stm32l4/stm32l4_uart.h
@@ -285,4 +285,3 @@ void stm32l4_serial_dma_poll(void);
 
 #endif /* __ASSEMBLY__ */
 #endif /* __ARCH_ARM_STC_STM32L4_STM32L4_UART_H */
-
diff --git a/arch/arm/src/stm32l4/stm32l4_usbdev.h b/arch/arm/src/stm32l4/stm32l4_usbdev.h
index 08b9220041..cf70180557 100644
--- a/arch/arm/src/stm32l4/stm32l4_usbdev.h
+++ b/arch/arm/src/stm32l4/stm32l4_usbdev.h
@@ -82,4 +82,3 @@ void stm32l4_usbsuspend(FAR struct usbdev_s *dev, bool resume);
 
 #endif /* __ASSEMBLY__ */
 #endif /* __ARCH_ARM_SRC_STM32L4_STM32L4_USBDEV_H */
-
diff --git a/arch/arm/src/stm32l4/stm32l4_userspace.c b/arch/arm/src/stm32l4/stm32l4_userspace.c
index 42b3b7bbb1..bd0643dd16 100644
--- a/arch/arm/src/stm32l4/stm32l4_userspace.c
+++ b/arch/arm/src/stm32l4/stm32l4_userspace.c
@@ -104,4 +104,3 @@ void stm32l4_userspace(void)
 }
 
 #endif /* CONFIG_BUILD_PROTECTED */
-
diff --git a/arch/arm/src/str71x/Make.defs b/arch/arm/src/str71x/Make.defs
index 4bfe680d4b..7e88732b21 100644
--- a/arch/arm/src/str71x/Make.defs
+++ b/arch/arm/src/str71x/Make.defs
@@ -70,4 +70,3 @@ endif
 ifeq ($(CONFIG_STR71X_XTI),y)
 CHIP_CSRCS+= str71x_xti.c
 endif
-
diff --git a/arch/arm/src/str71x/str71x_can.h b/arch/arm/src/str71x/str71x_can.h
index 3bd0f3cea1..099b6679b0 100644
--- a/arch/arm/src/str71x/str71x_can.h
+++ b/arch/arm/src/str71x/str71x_can.h
@@ -204,4 +204,3 @@
  ************************************************************************************/
 
 #endif /* __ARCH_ARM_SRC_STR71X_STR71X_CAN_H */
-
diff --git a/arch/arm/src/str71x/str71x_irq.c b/arch/arm/src/str71x/str71x_irq.c
index 314ea52595..5edad6a907 100644
--- a/arch/arm/src/str71x/str71x_irq.c
+++ b/arch/arm/src/str71x/str71x_irq.c
@@ -220,4 +220,3 @@ int up_prioritize_irq(int irq, int priority)
   return -EINVAL;
 }
 #endif
-
diff --git a/arch/arm/src/str71x/str71x_lowputc.c b/arch/arm/src/str71x/str71x_lowputc.c
index 369e45a8b2..b45c38808b 100644
--- a/arch/arm/src/str71x/str71x_lowputc.c
+++ b/arch/arm/src/str71x/str71x_lowputc.c
@@ -320,5 +320,3 @@ void up_lowsetup(void)
   putreg16(reg16, STR71X_GPIO0_PC2);
 #endif
 }
-
-
diff --git a/arch/arm/src/str71x/str71x_prccu.c b/arch/arm/src/str71x/str71x_prccu.c
index 1ed521b573..d8840ac9b0 100644
--- a/arch/arm/src/str71x/str71x_prccu.c
+++ b/arch/arm/src/str71x/str71x_prccu.c
@@ -473,4 +473,3 @@ void str71x_prccuinit(void)
   putreg16(reg16, STR71X_PCU_PLL2CR);
 #endif
 }
-
diff --git a/arch/arm/src/tiva/Kconfig b/arch/arm/src/tiva/Kconfig
index 306baa9eff..861ade5c27 100644
--- a/arch/arm/src/tiva/Kconfig
+++ b/arch/arm/src/tiva/Kconfig
@@ -1684,4 +1684,3 @@ config TIVA_FLASH_STARTPAGE
 
 endmenu
 endif
-
diff --git a/arch/arm/src/tiva/cc13xx/cc13x0_rom.h b/arch/arm/src/tiva/cc13xx/cc13x0_rom.h
index b76141e293..9c4cf80508 100644
--- a/arch/arm/src/tiva/cc13xx/cc13x0_rom.h
+++ b/arch/arm/src/tiva/cc13xx/cc13x0_rom.h
@@ -792,4 +792,3 @@ inline static void rom_hapi_auxadiselect(fptr_void_uint8_t fptr, uint8_t signal)
 }
 
 #endif /* __ARCH_ARM_SRC_TIVA_CC13XX_CC13X0_ROM_H */
-
diff --git a/arch/arm/src/tiva/cc13xx/cc13x2_cc26x2_v1_rom.h b/arch/arm/src/tiva/cc13xx/cc13x2_cc26x2_v1_rom.h
index e0f5fb37f8..0827fa1921 100644
--- a/arch/arm/src/tiva/cc13xx/cc13x2_cc26x2_v1_rom.h
+++ b/arch/arm/src/tiva/cc13xx/cc13x2_cc26x2_v1_rom.h
@@ -937,4 +937,3 @@ void rom_setup_coldreset_from_shutdown_cfg1(uint32_t ccfg_modeconf);
 void rom_setup_stepvaddrtrimto(uint32_t tocode);
 
 #endif /* __ARCH_ARM_SRC_TIVA_CC13XX_CC13X2_CC26X2_V1_ROM_H */
-
diff --git a/arch/arm/src/tiva/common/tiva_mpuinit.c b/arch/arm/src/tiva/common/tiva_mpuinit.c
index d33d3befdb..fb87198100 100644
--- a/arch/arm/src/tiva/common/tiva_mpuinit.c
+++ b/arch/arm/src/tiva/common/tiva_mpuinit.c
@@ -121,4 +121,3 @@ void tiva_mpu_uheap(uintptr_t start, size_t size)
 }
 
 #endif /* CONFIG_BUILD_PROTECTED && CONFIG_ARM_MPU */
-
diff --git a/arch/arm/src/tiva/hardware/cc13x2_cc26x2/cc13x2_cc26x2_aon_batmon.h b/arch/arm/src/tiva/hardware/cc13x2_cc26x2/cc13x2_cc26x2_aon_batmon.h
index 69c8da34b6..b72c7050df 100644
--- a/arch/arm/src/tiva/hardware/cc13x2_cc26x2/cc13x2_cc26x2_aon_batmon.h
+++ b/arch/arm/src/tiva/hardware/cc13x2_cc26x2/cc13x2_cc26x2_aon_batmon.h
@@ -193,13 +193,13 @@
 
 /* AON_BATMON_EVENTMASK */
 
-#define AON_BATMON_EVENTMASK_BATT_OVER_UL               (1 << 0)  /* Bit 0:  EVENT.BATT_OVER_UL does not 
+#define AON_BATMON_EVENTMASK_BATT_OVER_UL               (1 << 0)  /* Bit 0:  EVENT.BATT_OVER_UL does not
                                                                    * contribute to combined event from
                                                                    * BATMON */
-#define AON_BATMON_EVENTMASK_BATT_BELOW_LL              (1 << 1)  /* Bit 1:  EVENT.BATT_BELOW_LL does not 
+#define AON_BATMON_EVENTMASK_BATT_BELOW_LL              (1 << 1)  /* Bit 1:  EVENT.BATT_BELOW_LL does not
                                                                    * contribute to combined event from
                                                                    * BATMON */
-#define AON_BATMON_EVENTMASK_TEMP_OVER_UL               (1 << 2)  /* Bit 2:  EVENT.TEMP_OVER_UL does not 
+#define AON_BATMON_EVENTMASK_TEMP_OVER_UL               (1 << 2)  /* Bit 2:  EVENT.TEMP_OVER_UL does not
                                                                    * contribute to combined event from
                                                                    * BATMON */
 #define AON_BATMON_EVENTMASK_TEMP_BELOW_LL              (1 << 3)  /* Bit 3:  EVENT.TEMP_BELOW_LL does not
diff --git a/arch/arm/src/tiva/hardware/tiva_qencoder.h b/arch/arm/src/tiva/hardware/tiva_qencoder.h
index 4a43f882f4..672b8a5cba 100644
--- a/arch/arm/src/tiva/hardware/tiva_qencoder.h
+++ b/arch/arm/src/tiva/hardware/tiva_qencoder.h
@@ -106,4 +106,3 @@
 #define DIRECTION_BACKWARD              (1)     /* (Value) Backward */
 
 #endif /* __ARCH_ARM_SRC_TIVA_HARDWARE_TIVA_QENCODER_H */
-
diff --git a/arch/arm/src/xmc4/xmc4_mpuinit.c b/arch/arm/src/xmc4/xmc4_mpuinit.c
index 9cd22451be..7a34b5c39a 100644
--- a/arch/arm/src/xmc4/xmc4_mpuinit.c
+++ b/arch/arm/src/xmc4/xmc4_mpuinit.c
@@ -121,4 +121,3 @@ void xmc4_mpu_uheap(uintptr_t start, size_t size)
 }
 
 #endif /* CONFIG_BUILD_PROTECTED && CONFIG_ARM_MPU */
-
diff --git a/arch/arm/src/xmc4/xmc4_userspace.c b/arch/arm/src/xmc4/xmc4_userspace.c
index 02dc2d2303..697ca1ff58 100644
--- a/arch/arm/src/xmc4/xmc4_userspace.c
+++ b/arch/arm/src/xmc4/xmc4_userspace.c
@@ -104,4 +104,3 @@ void xmc4_userspace(void)
 }
 
 #endif /* CONFIG_BUILD_PROTECTED */
-
diff --git a/arch/arm/src/xmc4/xmc4_usic.c b/arch/arm/src/xmc4/xmc4_usic.c
index 5327066587..3f8c1365fd 100644
--- a/arch/arm/src/xmc4/xmc4_usic.c
+++ b/arch/arm/src/xmc4/xmc4_usic.c
@@ -467,4 +467,3 @@ int xmc4_usic_baudrate(enum usic_channel_e channel, uint32_t baud,
 
   return ret;
 }
-
diff --git a/arch/avr/include/.gitignore b/arch/avr/include/.gitignore
index e6460c4a67..af8911db06 100644
--- a/arch/avr/include/.gitignore
+++ b/arch/avr/include/.gitignore
@@ -1,3 +1,2 @@
 /board
 /chip
-
diff --git a/arch/avr/include/arch.h b/arch/avr/include/arch.h
index ecf79ea276..2c29ff1ef4 100644
--- a/arch/avr/include/arch.h
+++ b/arch/avr/include/arch.h
@@ -80,4 +80,3 @@ extern "C"
 #endif
 
 #endif /* __ARCH_AVR_INCLUDE_ARCH_H */
-
diff --git a/arch/avr/include/at32uc3/irq.h b/arch/avr/include/at32uc3/irq.h
index b5395b1b7b..30515e03f2 100644
--- a/arch/avr/include/at32uc3/irq.h
+++ b/arch/avr/include/at32uc3/irq.h
@@ -633,4 +633,3 @@ extern "C"
 #endif
 
 #endif /* __ARCH_AVR_INCLUDE_AT32UC3_IRQ_H */
-
diff --git a/arch/avr/include/at90usb/irq.h b/arch/avr/include/at90usb/irq.h
index b932289632..5f0f9425b5 100644
--- a/arch/avr/include/at90usb/irq.h
+++ b/arch/avr/include/at90usb/irq.h
@@ -132,4 +132,3 @@ extern "C"
 #endif
 
 #endif /* __ARCH_AVR_INCLUDE_AT90USB_IRQ_H */
-
diff --git a/arch/avr/include/avr/avr.h b/arch/avr/include/avr/avr.h
index fc3e82bb4b..64ef3f9b78 100644
--- a/arch/avr/include/avr/avr.h
+++ b/arch/avr/include/avr/avr.h
@@ -59,4 +59,3 @@
  ************************************************************************************/
 
 #endif /* __ARCH_AVR_INCLUDE_AVR_AVR_H */
-
diff --git a/arch/avr/include/avr/limits.h b/arch/avr/include/avr/limits.h
index 0f25032c92..5f9c496b54 100644
--- a/arch/avr/include/avr/limits.h
+++ b/arch/avr/include/avr/limits.h
@@ -86,4 +86,3 @@
 #define UPTR_MAX    65535U
 
 #endif /* __ARCH_AVR_INCLUDE_AVR_LIMITS_H */
-
diff --git a/arch/avr/include/avr/syscall.h b/arch/avr/include/avr/syscall.h
index 0f758fba45..4c0b53e78e 100644
--- a/arch/avr/include/avr/syscall.h
+++ b/arch/avr/include/avr/syscall.h
@@ -135,4 +135,3 @@ static inline uintptr_t sys_call5(unsigned int nbr, uintptr_t parm1,
 #endif
 
 #endif /* __ARCH_AVR_INCLUDE_AVR_SYSCALL_H */
-
diff --git a/arch/avr/include/avr/types.h b/arch/avr/include/avr/types.h
index d256a85a76..23c7637393 100644
--- a/arch/avr/include/avr/types.h
+++ b/arch/avr/include/avr/types.h
@@ -97,4 +97,3 @@ typedef unsigned char      irqstate_t;
  ****************************************************************************/
 
 #endif /* __ARCH_AVR_INCLUDE_AVR_TYPES_H */
-
diff --git a/arch/avr/include/avr32/avr32.h b/arch/avr/include/avr32/avr32.h
index 2488516ca2..12a6d24549 100644
--- a/arch/avr/include/avr32/avr32.h
+++ b/arch/avr/include/avr32/avr32.h
@@ -203,4 +203,3 @@
  ************************************************************************************/
 
 #endif /* __ARCH_AVR_INCLUDE_AVR32_AVR32_H */
-
diff --git a/arch/avr/include/avr32/irq.h b/arch/avr/include/avr32/irq.h
index 2206675205..8c585af208 100644
--- a/arch/avr/include/avr32/irq.h
+++ b/arch/avr/include/avr32/irq.h
@@ -243,4 +243,3 @@ extern "C"
 #endif
 
 #endif /* __ARCH_AVR_INCLUDE_AVR32_IRQ_H */
-
diff --git a/arch/avr/include/avr32/limits.h b/arch/avr/include/avr32/limits.h
index 51cef4e448..83a4019bbf 100644
--- a/arch/avr/include/avr32/limits.h
+++ b/arch/avr/include/avr32/limits.h
@@ -86,4 +86,3 @@
 #define UPTR_MAX    4294967295U
 
 #endif /* __ARCH_AVR_INCLUDE_AVR32_LIMITS_H */
-
diff --git a/arch/avr/include/avr32/syscall.h b/arch/avr/include/avr32/syscall.h
index cab4e8af46..fcad84a8a2 100644
--- a/arch/avr/include/avr32/syscall.h
+++ b/arch/avr/include/avr32/syscall.h
@@ -135,4 +135,3 @@ static inline uintptr_t sys_call5(unsigned int nbr, uintptr_t parm1,
 #endif
 
 #endif /* __ARCH_AVR_INCLUDE_AVR32_SYSCALL_H */
-
diff --git a/arch/avr/include/avr32/types.h b/arch/avr/include/avr32/types.h
index d3182876c9..95823ec48d 100644
--- a/arch/avr/include/avr32/types.h
+++ b/arch/avr/include/avr32/types.h
@@ -92,4 +92,3 @@ typedef unsigned int       irqstate_t;
  ****************************************************************************/
 
 #endif /* __ARCH_AVR_INCLUDE_AVR32_TYPES_H */
-
diff --git a/arch/avr/include/irq.h b/arch/avr/include/irq.h
index 3a8ecc632e..d01fbeb9ab 100644
--- a/arch/avr/include/irq.h
+++ b/arch/avr/include/irq.h
@@ -98,4 +98,3 @@ extern "C"
 #endif
 
 #endif /* __ARCH_AVR_INCLUDE_IRQ_H */
-
diff --git a/arch/avr/include/limits.h b/arch/avr/include/limits.h
index 15cc59ddc1..74cfd3b604 100644
--- a/arch/avr/include/limits.h
+++ b/arch/avr/include/limits.h
@@ -53,4 +53,3 @@
 #endif
 
 #endif /* __ARCH_AVR_INCLUDE_LIMITS_H */
-
diff --git a/arch/avr/include/syscall.h b/arch/avr/include/syscall.h
index c1f5b85a59..1d7eeac18c 100644
--- a/arch/avr/include/syscall.h
+++ b/arch/avr/include/syscall.h
@@ -88,4 +88,3 @@ extern "C"
 #endif
 
 #endif /* __ARCH_AVR_INCLUDE_SYSCALL_H */
-
diff --git a/arch/avr/include/types.h b/arch/avr/include/types.h
index bd7af18cf6..f336c9e7f1 100644
--- a/arch/avr/include/types.h
+++ b/arch/avr/include/types.h
@@ -65,4 +65,3 @@
  ****************************************************************************/
 
 #endif /* __ARCH_AVR_INCLUDE_TYPES_H */
-
diff --git a/arch/avr/include/xmega/chip.h b/arch/avr/include/xmega/chip.h
index 819ce13b78..278a611b3e 100644
--- a/arch/avr/include/xmega/chip.h
+++ b/arch/avr/include/xmega/chip.h
@@ -83,4 +83,3 @@ extern "C"
 #endif
 
 #endif /* __ARCH_AVR_INCLUDE_XMEGA_CHIP_H */
-
diff --git a/arch/avr/include/xmega/irq.h b/arch/avr/include/xmega/irq.h
index 221c43b1ea..4cd40b416f 100644
--- a/arch/avr/include/xmega/irq.h
+++ b/arch/avr/include/xmega/irq.h
@@ -86,4 +86,3 @@ extern "C"
 #endif
 
 #endif /* __ARCH_AVR_INCLUDE_XMEGA_IRQ_H */
-
diff --git a/arch/avr/include/xmega/xmegac_irq.h b/arch/avr/include/xmega/xmegac_irq.h
index 77813e04d6..6354a2109b 100644
--- a/arch/avr/include/xmega/xmegac_irq.h
+++ b/arch/avr/include/xmega/xmegac_irq.h
@@ -123,4 +123,3 @@ extern "C"
 #endif
 
 #endif /* __ARCH_AVR_INCLUDE_XMEGA_XMEGAC_IRQ_H */
-
diff --git a/arch/avr/src/at32uc3/at32uc3.h b/arch/avr/src/at32uc3/at32uc3.h
index 7e8d7cbd54..840ca90794 100644
--- a/arch/avr/src/at32uc3/at32uc3.h
+++ b/arch/avr/src/at32uc3/at32uc3.h
@@ -342,4 +342,3 @@ void gpio_irqdisable(int irq);
 
 #endif /* __ASSEMBLY__ */
 #endif /* __ARCH_AVR_SRC_AT32UC3_AT32UC3_H */
-
diff --git a/arch/avr/src/at32uc3/at32uc3_abdac.h b/arch/avr/src/at32uc3/at32uc3_abdac.h
index b2f01e30c8..38c30ae9a4 100644
--- a/arch/avr/src/at32uc3/at32uc3_abdac.h
+++ b/arch/avr/src/at32uc3/at32uc3_abdac.h
@@ -98,4 +98,3 @@
  ************************************************************************************/
 
 #endif /* __ARCH_AVR_SRC_AT32UC3_AT32UC3_ABDAC_H */
-
diff --git a/arch/avr/src/at32uc3/at32uc3_adc.h b/arch/avr/src/at32uc3/at32uc3_adc.h
index 37b1456b49..a71f636b96 100644
--- a/arch/avr/src/at32uc3/at32uc3_adc.h
+++ b/arch/avr/src/at32uc3/at32uc3_adc.h
@@ -192,4 +192,3 @@
  ************************************************************************************/
 
 #endif /* __ARCH_AVR_SRC_AT32UC3_AT32UC3_ADC_H */
-
diff --git a/arch/avr/src/at32uc3/at32uc3_clkinit.c b/arch/avr/src/at32uc3/at32uc3_clkinit.c
index 7ee14cdc6c..69b629fbfa 100644
--- a/arch/avr/src/at32uc3/at32uc3_clkinit.c
+++ b/arch/avr/src/at32uc3/at32uc3_clkinit.c
@@ -500,6 +500,3 @@ void up_clkinitialize(void)
   void up_usbclock();
 #endif
 }
-
-
-
diff --git a/arch/avr/src/at32uc3/at32uc3_config.h b/arch/avr/src/at32uc3/at32uc3_config.h
index de8fe4600f..8d2c70f356 100644
--- a/arch/avr/src/at32uc3/at32uc3_config.h
+++ b/arch/avr/src/at32uc3/at32uc3_config.h
@@ -200,4 +200,3 @@
  ************************************************************************************/
 
 #endif /* __ARCH_AVR_SRC_AT32UC3_AT32UC3_CONFIG_H */
-
diff --git a/arch/avr/src/at32uc3/at32uc3_eic.h b/arch/avr/src/at32uc3/at32uc3_eic.h
index 44c050b2b4..34bc7a1840 100644
--- a/arch/avr/src/at32uc3/at32uc3_eic.h
+++ b/arch/avr/src/at32uc3/at32uc3_eic.h
@@ -130,4 +130,3 @@
  ************************************************************************************/
 
 #endif /* __ARCH_AVR_SRC_AT32UC3_AT32UC3_EIC_H */
-
diff --git a/arch/avr/src/at32uc3/at32uc3_flashc.h b/arch/avr/src/at32uc3/at32uc3_flashc.h
index c05f5ac18a..084bc0897c 100644
--- a/arch/avr/src/at32uc3/at32uc3_flashc.h
+++ b/arch/avr/src/at32uc3/at32uc3_flashc.h
@@ -226,4 +226,3 @@
  ************************************************************************************/
 
 #endif /* __ARCH_AVR_SRC_AT32UC3_AT32UC3_FLASHC_H */
-
diff --git a/arch/avr/src/at32uc3/at32uc3_gpio.h b/arch/avr/src/at32uc3/at32uc3_gpio.h
index 6467ef7c14..5a8871ad02 100644
--- a/arch/avr/src/at32uc3/at32uc3_gpio.h
+++ b/arch/avr/src/at32uc3/at32uc3_gpio.h
@@ -462,4 +462,3 @@
  ************************************************************************************/
 
 #endif /* __ARCH_AVR_SRC_AT32UC3_AT32UC3_GPIO_H */
-
diff --git a/arch/avr/src/at32uc3/at32uc3_hmatrix.h b/arch/avr/src/at32uc3/at32uc3_hmatrix.h
index 40708fc1f1..534604e99d 100644
--- a/arch/avr/src/at32uc3/at32uc3_hmatrix.h
+++ b/arch/avr/src/at32uc3/at32uc3_hmatrix.h
@@ -311,4 +311,3 @@
  ************************************************************************************/
 
 #endif /* __ARCH_AVR_SRC_AT32UC3_AT32UC3_HMATRIX_H */
-
diff --git a/arch/avr/src/at32uc3/at32uc3_intc.h b/arch/avr/src/at32uc3/at32uc3_intc.h
index 25aedd275b..c224b603a1 100644
--- a/arch/avr/src/at32uc3/at32uc3_intc.h
+++ b/arch/avr/src/at32uc3/at32uc3_intc.h
@@ -95,4 +95,3 @@
  ************************************************************************************/
 
 #endif /* __ARCH_AVR_SRC_AT32UC3_AT32UC3_INTC_H */
-
diff --git a/arch/avr/src/at32uc3/at32uc3_irq.c b/arch/avr/src/at32uc3/at32uc3_irq.c
index 9e131f4baa..8e025df1ef 100644
--- a/arch/avr/src/at32uc3/at32uc3_irq.c
+++ b/arch/avr/src/at32uc3/at32uc3_irq.c
@@ -328,6 +328,3 @@ unsigned int avr32_intirqno(unsigned int level)
   _err("ERROR: Bad group: %d\n", group);
   return AVR32_IRQ_BADVECTOR;
 }
-
-
-
diff --git a/arch/avr/src/at32uc3/at32uc3_lowconsole.c b/arch/avr/src/at32uc3/at32uc3_lowconsole.c
index 8731ada4c0..5a41852e7d 100644
--- a/arch/avr/src/at32uc3/at32uc3_lowconsole.c
+++ b/arch/avr/src/at32uc3/at32uc3_lowconsole.c
@@ -389,4 +389,3 @@ void up_lowputc(char ch)
   usart_putreg(AVR32_CONSOLE_BASE, AVR32_USART_THR_OFFSET, (uint32_t)ch);
 #endif
 }
-
diff --git a/arch/avr/src/at32uc3/at32uc3_lowinit.c b/arch/avr/src/at32uc3/at32uc3_lowinit.c
index eaa1cc8288..30081543ee 100644
--- a/arch/avr/src/at32uc3/at32uc3_lowinit.c
+++ b/arch/avr/src/at32uc3/at32uc3_lowinit.c
@@ -103,5 +103,3 @@ void up_lowinit(void)
 
   at32uc3_boardinitialize();
 }
-
-
diff --git a/arch/avr/src/at32uc3/at32uc3_memorymap.h b/arch/avr/src/at32uc3/at32uc3_memorymap.h
index 8df5183f79..2a95b57156 100644
--- a/arch/avr/src/at32uc3/at32uc3_memorymap.h
+++ b/arch/avr/src/at32uc3/at32uc3_memorymap.h
@@ -111,4 +111,3 @@
  ************************************************************************************/
 
 #endif /* __ARCH_AVR_SRC_AT32UC3_AT32UC3_MEMORYMAP_H */
-
diff --git a/arch/avr/src/at32uc3/at32uc3_pdca.h b/arch/avr/src/at32uc3/at32uc3_pdca.h
index ee84f8f090..4aa943b6c8 100644
--- a/arch/avr/src/at32uc3/at32uc3_pdca.h
+++ b/arch/avr/src/at32uc3/at32uc3_pdca.h
@@ -274,4 +274,3 @@
  ************************************************************************************/
 
 #endif /* __ARCH_AVR_SRC_AT32UC3_AT32UC3_PDCA_H */
-
diff --git a/arch/avr/src/at32uc3/at32uc3_pinmux.h b/arch/avr/src/at32uc3/at32uc3_pinmux.h
index e5c7e71436..abf80295e8 100644
--- a/arch/avr/src/at32uc3/at32uc3_pinmux.h
+++ b/arch/avr/src/at32uc3/at32uc3_pinmux.h
@@ -68,4 +68,3 @@
  ************************************************************************************/
 
 #endif /* __ARCH_AVR_SRC_AT32UC3_AT32UC3_PINMUX_H */
-
diff --git a/arch/avr/src/at32uc3/at32uc3_pm.h b/arch/avr/src/at32uc3/at32uc3_pm.h
index 964d839ee0..d9b81e5ed0 100644
--- a/arch/avr/src/at32uc3/at32uc3_pm.h
+++ b/arch/avr/src/at32uc3/at32uc3_pm.h
@@ -332,4 +332,3 @@
  ************************************************************************************/
 
 #endif /* __ARCH_AVR_SRC_AT32UC3_AT32UC3_PM_H */
-
diff --git a/arch/avr/src/at32uc3/at32uc3_pwm.h b/arch/avr/src/at32uc3/at32uc3_pwm.h
index 5aedf7d601..1ffcb6a74b 100644
--- a/arch/avr/src/at32uc3/at32uc3_pwm.h
+++ b/arch/avr/src/at32uc3/at32uc3_pwm.h
@@ -219,4 +219,3 @@
  ************************************************************************************/
 
 #endif /* __ARCH_AVR_SRC_AT32UC3_AT32UC3_PWM_H */
-
diff --git a/arch/avr/src/at32uc3/at32uc3_rtc.h b/arch/avr/src/at32uc3/at32uc3_rtc.h
index aa762065cb..87ff293217 100644
--- a/arch/avr/src/at32uc3/at32uc3_rtc.h
+++ b/arch/avr/src/at32uc3/at32uc3_rtc.h
@@ -109,4 +109,3 @@
  ************************************************************************************/
 
 #endif /* __ARCH_AVR_SRC_AT32UC3_AT32UC3_RTC_H */
-
diff --git a/arch/avr/src/at32uc3/at32uc3_serial.c b/arch/avr/src/at32uc3/at32uc3_serial.c
index 25d3a61741..11dd635332 100644
--- a/arch/avr/src/at32uc3/at32uc3_serial.c
+++ b/arch/avr/src/at32uc3/at32uc3_serial.c
@@ -815,4 +815,3 @@ int up_putc(int ch)
 }
 
 #endif /* USE_SERIALDRIVER */
-
diff --git a/arch/avr/src/at32uc3/at32uc3_spi.h b/arch/avr/src/at32uc3/at32uc3_spi.h
index 1c1a804504..71e94038d1 100644
--- a/arch/avr/src/at32uc3/at32uc3_spi.h
+++ b/arch/avr/src/at32uc3/at32uc3_spi.h
@@ -163,4 +163,3 @@
  ************************************************************************************/
 
 #endif /* __ARCH_AVR_SRC_AT32UC3_AT32UC3_SPI_H */
-
diff --git a/arch/avr/src/at32uc3/at32uc3_ssc.h b/arch/avr/src/at32uc3/at32uc3_ssc.h
index e5c1df3c62..6c599f7c8a 100644
--- a/arch/avr/src/at32uc3/at32uc3_ssc.h
+++ b/arch/avr/src/at32uc3/at32uc3_ssc.h
@@ -264,4 +264,3 @@
  ************************************************************************************/
 
 #endif /* __ARCH_AVR_SRC_AT32UC3_AT32UC3_SSC_H */
-
diff --git a/arch/avr/src/at32uc3/at32uc3_tc.h b/arch/avr/src/at32uc3/at32uc3_tc.h
index f3773c161e..3fe8c394fd 100644
--- a/arch/avr/src/at32uc3/at32uc3_tc.h
+++ b/arch/avr/src/at32uc3/at32uc3_tc.h
@@ -355,7 +355,7 @@
 #  define TC_BMR_TC2XC2S_NONE     (1 << TC_BMR_TC2XC2S_SHIFT) /* None */
 #  define TC_BMR_TC2XC2S_TIOA0    (2 << TC_BMR_TC2XC2S_SHIFT) /* TIOA0 */
 #  define TC_BMR_TC2XC2S_TIOA1    (3 << TC_BMR_TC2XC2S_SHIFT) /* TIOA1 */
-				
+
 /************************************************************************************
  * Public Types
  ************************************************************************************/
@@ -369,4 +369,3 @@
  ************************************************************************************/
 
 #endif /* __ARCH_AVR_SRC_AT32UC3_AT32UC3_TC_H */
-
diff --git a/arch/avr/src/at32uc3/at32uc3_twi.h b/arch/avr/src/at32uc3/at32uc3_twi.h
index 3a82b733a6..060c953f97 100644
--- a/arch/avr/src/at32uc3/at32uc3_twi.h
+++ b/arch/avr/src/at32uc3/at32uc3_twi.h
@@ -158,4 +158,3 @@
  ************************************************************************************/
 
 #endif /* __ARCH_AVR_SRC_AT32UC3_AT32UC3_TWI_H */
-
diff --git a/arch/avr/src/at32uc3/at32uc3_usart.h b/arch/avr/src/at32uc3/at32uc3_usart.h
index 17b01e0844..d048ae12c9 100644
--- a/arch/avr/src/at32uc3/at32uc3_usart.h
+++ b/arch/avr/src/at32uc3/at32uc3_usart.h
@@ -336,4 +336,3 @@
  ************************************************************************************/
 
 #endif /* __ARCH_AVR_SRC_AT32UC3_AT32UC3_USART_H */
-
diff --git a/arch/avr/src/at32uc3/at32uc3_usbb.h b/arch/avr/src/at32uc3/at32uc3_usbb.h
index 247f7d5f0f..45d78975b6 100644
--- a/arch/avr/src/at32uc3/at32uc3_usbb.h
+++ b/arch/avr/src/at32uc3/at32uc3_usbb.h
@@ -1095,4 +1095,3 @@
  ************************************************************************************/
 
 #endif /* __ARCH_AVR_SRC_AT32UC3_AT32UC3_USBB_H */
-
diff --git a/arch/avr/src/at32uc3/at32uc3_wdt.h b/arch/avr/src/at32uc3/at32uc3_wdt.h
index b3bfde6a93..6a242b737b 100644
--- a/arch/avr/src/at32uc3/at32uc3_wdt.h
+++ b/arch/avr/src/at32uc3/at32uc3_wdt.h
@@ -84,4 +84,3 @@
  ************************************************************************************/
 
 #endif /* __ARCH_AVR_SRC_AT32UC3_AT32UC3_WDT_H */
-
diff --git a/arch/avr/src/at32uc3/at32uc3a_pinmux.h b/arch/avr/src/at32uc3/at32uc3a_pinmux.h
index 695db47b58..b5ca6ceb34 100644
--- a/arch/avr/src/at32uc3/at32uc3a_pinmux.h
+++ b/arch/avr/src/at32uc3/at32uc3a_pinmux.h
@@ -61,4 +61,3 @@
  ************************************************************************************/
 
 #endif /* __ARCH_AVR_SRC_AT32UC3_AT32UC3_PINMUX_H */
-
diff --git a/arch/avr/src/at32uc3/at32uc3b_pinmux.h b/arch/avr/src/at32uc3/at32uc3b_pinmux.h
index d5758745da..236aa30aeb 100644
--- a/arch/avr/src/at32uc3/at32uc3b_pinmux.h
+++ b/arch/avr/src/at32uc3/at32uc3b_pinmux.h
@@ -260,4 +260,3 @@
  ************************************************************************************/
 
 #endif /* __ARCH_AVR_SRC_AT32UC3_AT32UC3B_PINMUX_H */
-
diff --git a/arch/avr/src/at32uc3/chip.h b/arch/avr/src/at32uc3/chip.h
index 99fad31eb9..65323c7506 100644
--- a/arch/avr/src/at32uc3/chip.h
+++ b/arch/avr/src/at32uc3/chip.h
@@ -220,4 +220,3 @@
  ************************************************************************************/
 
 #endif /* __ARCH_AVR_SRC_AT32UC3_CHIP_H */
-
diff --git a/arch/avr/src/at90usb/at90usb.h b/arch/avr/src/at90usb/at90usb.h
index ff2916f434..3cae584bb4 100644
--- a/arch/avr/src/at90usb/at90usb.h
+++ b/arch/avr/src/at90usb/at90usb.h
@@ -209,4 +209,3 @@ void gpio_irqdisable(int irq);
 
 #endif /* __ASSEMBLY__ */
 #endif /* __ARCH_AVR_SRC_ATMEGA_ATMEGA_H */
-
diff --git a/arch/avr/src/at90usb/at90usb_config.h b/arch/avr/src/at90usb/at90usb_config.h
index cae14c0707..be9e431b43 100644
--- a/arch/avr/src/at90usb/at90usb_config.h
+++ b/arch/avr/src/at90usb/at90usb_config.h
@@ -113,4 +113,3 @@
  ************************************************************************************/
 
 #endif /* __ARCH_AVR_SRC_ATMEGA_ATMEGA_CONFIG_H */
-
diff --git a/arch/avr/src/at90usb/at90usb_exceptions.S b/arch/avr/src/at90usb/at90usb_exceptions.S
index 542ad7f74f..474dd8b261 100644
--- a/arch/avr/src/at90usb/at90usb_exceptions.S
+++ b/arch/avr/src/at90usb/at90usb_exceptions.S
@@ -174,4 +174,3 @@ up_interruptstack:
 	.size	up_interruptstack, .-up_interruptstack
 #endif
 	.end
-
diff --git a/arch/avr/src/at90usb/at90usb_lowconsole.c b/arch/avr/src/at90usb/at90usb_lowconsole.c
index 7ddc2d8e9f..acfc8e92d5 100644
--- a/arch/avr/src/at90usb/at90usb_lowconsole.c
+++ b/arch/avr/src/at90usb/at90usb_lowconsole.c
@@ -281,4 +281,3 @@ void up_lowputc(char ch)
   UDR1 = ch;
 #endif
 }
-
diff --git a/arch/avr/src/at90usb/at90usb_memorymap.h b/arch/avr/src/at90usb/at90usb_memorymap.h
index a40bd3d36f..157c47e8b4 100644
--- a/arch/avr/src/at90usb/at90usb_memorymap.h
+++ b/arch/avr/src/at90usb/at90usb_memorymap.h
@@ -59,4 +59,3 @@
  ************************************************************************************/
 
 #endif /* __ARCH_AVR_SRC_ATMEGA_ATMEGA_MEMORYMAP_H */
-
diff --git a/arch/avr/src/at90usb/at90usb_serial.c b/arch/avr/src/at90usb/at90usb_serial.c
index 120c3f7d06..e9e4df84e0 100644
--- a/arch/avr/src/at90usb/at90usb_serial.c
+++ b/arch/avr/src/at90usb/at90usb_serial.c
@@ -618,4 +618,3 @@ int up_putc(int ch)
 }
 
 #endif /* USE_SERIALDRIVER */
-
diff --git a/arch/avr/src/at90usb/at90usb_usbdev.c b/arch/avr/src/at90usb/at90usb_usbdev.c
index 06471467c1..a58b3833ef 100644
--- a/arch/avr/src/at90usb/at90usb_usbdev.c
+++ b/arch/avr/src/at90usb/at90usb_usbdev.c
@@ -2992,4 +2992,3 @@ void avr_pollvbus(void)
   leave_critical_section(flags);
 }
 #endif
-
diff --git a/arch/avr/src/at90usb/chip.h b/arch/avr/src/at90usb/chip.h
index 4e3ec8297b..f48b759378 100644
--- a/arch/avr/src/at90usb/chip.h
+++ b/arch/avr/src/at90usb/chip.h
@@ -99,4 +99,3 @@
  ************************************************************************************/
 
 #endif /* __ARCH_AVR_SRC_ATMEGA_CHIP_H */
-
diff --git a/arch/avr/src/atmega/atmega.h b/arch/avr/src/atmega/atmega.h
index 40bfd9070e..4e7bcee354 100644
--- a/arch/avr/src/atmega/atmega.h
+++ b/arch/avr/src/atmega/atmega.h
@@ -211,4 +211,3 @@ void gpio_irqdisable(int irq);
 
 #endif /* __ASSEMBLY__ */
 #endif /* __ARCH_AVR_SRC_ATMEGA_ATMEGA_H */
-
diff --git a/arch/avr/src/atmega/atmega_config.h b/arch/avr/src/atmega/atmega_config.h
index 30501e0465..6e02aab54c 100644
--- a/arch/avr/src/atmega/atmega_config.h
+++ b/arch/avr/src/atmega/atmega_config.h
@@ -119,4 +119,3 @@
  ************************************************************************************/
 
 #endif /* __ARCH_AVR_SRC_ATMEGA_ATMEGA_CONFIG_H */
-
diff --git a/arch/avr/src/atmega/atmega_memorymap.h b/arch/avr/src/atmega/atmega_memorymap.h
index d957247d5c..42f54f3b36 100644
--- a/arch/avr/src/atmega/atmega_memorymap.h
+++ b/arch/avr/src/atmega/atmega_memorymap.h
@@ -59,4 +59,3 @@
  ************************************************************************************/
 
 #endif /* __ARCH_AVR_SRC_ATMEGA_ATMEGA_MEMORYMAP_H */
-
diff --git a/arch/avr/src/atmega/atmega_serial.c b/arch/avr/src/atmega/atmega_serial.c
index 51171a57a9..69466d8799 100644
--- a/arch/avr/src/atmega/atmega_serial.c
+++ b/arch/avr/src/atmega/atmega_serial.c
@@ -1014,4 +1014,3 @@ int up_putc(int ch)
 }
 
 #endif /* USE_SERIALDRIVER */
-
diff --git a/arch/avr/src/atmega/chip.h b/arch/avr/src/atmega/chip.h
index 43f54df313..b2f796b5d2 100644
--- a/arch/avr/src/atmega/chip.h
+++ b/arch/avr/src/atmega/chip.h
@@ -72,4 +72,3 @@
  ************************************************************************************/
 
 #endif /* __ARCH_AVR_SRC_ATMEGA_CHIP_H */
-
diff --git a/arch/avr/src/avr/avr.h b/arch/avr/src/avr/avr.h
index 4215037f9d..4e5f72e1e5 100644
--- a/arch/avr/src/avr/avr.h
+++ b/arch/avr/src/avr/avr.h
@@ -191,4 +191,3 @@ int avr_spicmddata(FAR struct spi_dev_s *dev, uint32_t devid, bool cmd);
 
 #endif /* __ASSEMBLY__ */
 #endif  /* __ARCH_AVR_SRC_AVR_AVR_H */
-
diff --git a/arch/avr/src/avr/up_blocktask.c b/arch/avr/src/avr/up_blocktask.c
index 94c4a44ad8..e476abe45d 100644
--- a/arch/avr/src/avr/up_blocktask.c
+++ b/arch/avr/src/avr/up_blocktask.c
@@ -162,4 +162,3 @@ void up_block_task(struct tcb_s *tcb, tstate_t task_state)
         }
     }
 }
-
diff --git a/arch/avr/src/avr/up_copystate.c b/arch/avr/src/avr/up_copystate.c
index 4c9c13bf83..49af9f3fe8 100644
--- a/arch/avr/src/avr/up_copystate.c
+++ b/arch/avr/src/avr/up_copystate.c
@@ -83,4 +83,3 @@ void up_copystate(uint8_t *dest, uint8_t *src)
         }
     }
 }
-
diff --git a/arch/avr/src/avr/up_doirq.c b/arch/avr/src/avr/up_doirq.c
index 1d8ce9c3d9..069a3ac057 100644
--- a/arch/avr/src/avr/up_doirq.c
+++ b/arch/avr/src/avr/up_doirq.c
@@ -115,4 +115,3 @@ uint8_t *up_doirq(uint8_t irq, uint8_t *regs)
   board_autoled_off(LED_INIRQ);
   return regs;
 }
-
diff --git a/arch/avr/src/avr/up_releasepending.c b/arch/avr/src/avr/up_releasepending.c
index 5b9b05df2b..848e24e411 100644
--- a/arch/avr/src/avr/up_releasepending.c
+++ b/arch/avr/src/avr/up_releasepending.c
@@ -128,4 +128,3 @@ void up_release_pending(void)
         }
     }
 }
-
diff --git a/arch/avr/src/avr/up_reprioritizertr.c b/arch/avr/src/avr/up_reprioritizertr.c
index abf985707f..e884669e29 100644
--- a/arch/avr/src/avr/up_reprioritizertr.c
+++ b/arch/avr/src/avr/up_reprioritizertr.c
@@ -185,4 +185,3 @@ void up_reprioritize_rtr(struct tcb_s *tcb, uint8_t priority)
         }
     }
 }
-
diff --git a/arch/avr/src/avr/up_stackframe.c b/arch/avr/src/avr/up_stackframe.c
index 71c38c8aa4..821d2411cd 100644
--- a/arch/avr/src/avr/up_stackframe.c
+++ b/arch/avr/src/avr/up_stackframe.c
@@ -123,4 +123,3 @@ FAR void *up_stack_frame(FAR struct tcb_s *tcb, size_t frame_size)
 
   return (FAR void *)(topaddr + sizeof(uint8_t));
 }
-
diff --git a/arch/avr/src/avr/up_unblocktask.c b/arch/avr/src/avr/up_unblocktask.c
index cdd2a0479f..0f618c6f43 100644
--- a/arch/avr/src/avr/up_unblocktask.c
+++ b/arch/avr/src/avr/up_unblocktask.c
@@ -144,4 +144,3 @@ void up_unblock_task(struct tcb_s *tcb)
         }
     }
 }
-
diff --git a/arch/avr/src/avr/up_usestack.c b/arch/avr/src/avr/up_usestack.c
index 1e451d883c..652e601066 100644
--- a/arch/avr/src/avr/up_usestack.c
+++ b/arch/avr/src/avr/up_usestack.c
@@ -130,4 +130,3 @@ int up_use_stack(struct tcb_s *tcb, void *stack, size_t stack_size)
 
   return OK;
 }
-
diff --git a/arch/avr/src/avr32/Toolchain.defs b/arch/avr/src/avr32/Toolchain.defs
index b0a40e34b3..6a2b34d2fe 100644
--- a/arch/avr/src/avr32/Toolchain.defs
+++ b/arch/avr/src/avr32/Toolchain.defs
@@ -66,4 +66,3 @@ ifeq ($(CONFIG_AVR32_TOOLCHAIN),AVRTOOLSW)
 else
   # AVR Tools or avr32-toolchain from https://github.com/jsnyder/avr32-toolchain
 endif
-
diff --git a/arch/avr/src/avr32/avr32.h b/arch/avr/src/avr32/avr32.h
index e24abd7fc9..384bb49ad4 100644
--- a/arch/avr/src/avr32/avr32.h
+++ b/arch/avr/src/avr32/avr32.h
@@ -136,4 +136,3 @@ uint32_t *up_doirq(int irq, uint32_t *regs);
 
 #endif /* __ASSEMBLY__ */
 #endif  /* __ARCH_AVR_SRC_AVR32_AVR32_H */
-
diff --git a/arch/avr/src/avr32/up_blocktask.c b/arch/avr/src/avr32/up_blocktask.c
index 548aaa307b..98b32a3d64 100644
--- a/arch/avr/src/avr32/up_blocktask.c
+++ b/arch/avr/src/avr32/up_blocktask.c
@@ -177,4 +177,3 @@ void up_block_task(struct tcb_s *tcb, tstate_t task_state)
         }
     }
 }
-
diff --git a/arch/avr/src/avr32/up_copystate.c b/arch/avr/src/avr32/up_copystate.c
index fa69f8cdd5..cae58d2cfe 100644
--- a/arch/avr/src/avr32/up_copystate.c
+++ b/arch/avr/src/avr32/up_copystate.c
@@ -84,4 +84,3 @@ void up_copystate(uint32_t *dest, uint32_t *src)
         }
     }
 }
-
diff --git a/arch/avr/src/avr32/up_doirq.c b/arch/avr/src/avr32/up_doirq.c
index 8c967f1d68..42538b0992 100644
--- a/arch/avr/src/avr32/up_doirq.c
+++ b/arch/avr/src/avr32/up_doirq.c
@@ -136,4 +136,3 @@ uint32_t *up_doirq(int irq, uint32_t *regs)
   board_autoled_off(LED_INIRQ);
   return regs;
 }
-
diff --git a/arch/avr/src/avr32/up_exceptions.S b/arch/avr/src/avr32/up_exceptions.S
index 361be60df3..5271160ff3 100644
--- a/arch/avr/src/avr32/up_exceptions.S
+++ b/arch/avr/src/avr32/up_exceptions.S
@@ -370,4 +370,3 @@ up_interruptstack:
 	.size	up_interruptstack, .-up_interruptstack
 #endif
 	.end
-
diff --git a/arch/avr/src/avr32/up_fullcontextrestore.S b/arch/avr/src/avr32/up_fullcontextrestore.S
index 45019c424b..ef7eb8bd12 100644
--- a/arch/avr/src/avr32/up_fullcontextrestore.S
+++ b/arch/avr/src/avr32/up_fullcontextrestore.S
@@ -96,7 +96,7 @@ up_fullcontextrestore:
 	/*                               ^r12                                   */
 
 	ldm 	r12++, r0-r7
-	
+
     /* Now, r12 points to the SP (r13) save area.  Recover the value of     */
 	/* the stack pointer (r13).  We will need to save some temporaries on   */
 	/* the final stack.                                                     */
@@ -108,7 +108,7 @@ up_fullcontextrestore:
 	/* Now r12 points to the SR save area.  Skip over the SR for now.       */
 	/* regs: 07 06 05 04 03 02 01 00 SP xx xx xx xx xx xx xx xx             */
 	/*                                     ^r12                             */
-	
+
     sub		r12, -1*4
 
 	/* Get the pc, lr, and r12 (in r10, r9, and r8) and move them to the    */
@@ -131,17 +131,17 @@ up_fullcontextrestore:
 	/* Now r12 now points to the r11 save area.  Restore r8-r11.            */
 	/* regs: 07 06 05 04 03 02 01 00 SP xx PC LR 12 11 10 09 08             */
 	/*                                                          ^r12        */
-	
+
 	ldm		r12++, r8-r11
-	
+
 	/* r12 now points +4 beyond the end of the register save area. Restore  */
 	/* SR.  NOTE:  This may enable interrupts!                              */
 	/* regs: 07 06 05 04 03 02 01 00 SP SR PC LR 12 11 10 09 08             */
 	/*                                  ^r12-4*8                ^r12        */
-	
+
 	ld.w	lr, r12[-4*8]
 	mtsr	AVR32_SR, lr
-	
+
 	/* Restore PC, LR and r12.  Hmmm.. I need to study the behaviour of ldm */
 	/* when r12,lr, and pc on in ldm reglist16.  I'm not sure that I want   */
 	/* that behavior.                                                       */
diff --git a/arch/avr/src/avr32/up_initialstate.c b/arch/avr/src/avr32/up_initialstate.c
index 094370ed60..2d473828e2 100644
--- a/arch/avr/src/avr32/up_initialstate.c
+++ b/arch/avr/src/avr32/up_initialstate.c
@@ -127,4 +127,3 @@ void up_initial_state(struct tcb_s *tcb)
   xcp->regs[REG_SR]    = avr32_sr() & ~AVR32_SR_GM_MASK;
 #endif
 }
-
diff --git a/arch/avr/src/avr32/up_nommuhead.S b/arch/avr/src/avr32/up_nommuhead.S
index 52f9b14f37..442c51960e 100644
--- a/arch/avr/src/avr32/up_nommuhead.S
+++ b/arch/avr/src/avr32/up_nommuhead.S
@@ -154,4 +154,3 @@ g_idle_topstack:
 	.long	_ebss+CONFIG_IDLETHREAD_STACKSIZE
 	.size	g_idle_topstack, .-g_idle_topstack
 	.end
-
diff --git a/arch/avr/src/avr32/up_releasepending.c b/arch/avr/src/avr32/up_releasepending.c
index 4f32774ad4..0e448e7061 100644
--- a/arch/avr/src/avr32/up_releasepending.c
+++ b/arch/avr/src/avr32/up_releasepending.c
@@ -144,4 +144,3 @@ void up_release_pending(void)
         }
     }
 }
-
diff --git a/arch/avr/src/avr32/up_reprioritizertr.c b/arch/avr/src/avr32/up_reprioritizertr.c
index 67221078fa..dbb64fdb7f 100644
--- a/arch/avr/src/avr32/up_reprioritizertr.c
+++ b/arch/avr/src/avr32/up_reprioritizertr.c
@@ -199,4 +199,3 @@ void up_reprioritize_rtr(struct tcb_s *tcb, uint8_t priority)
         }
     }
 }
-
diff --git a/arch/avr/src/avr32/up_stackframe.c b/arch/avr/src/avr32/up_stackframe.c
index dfcf128001..168de8e665 100644
--- a/arch/avr/src/avr32/up_stackframe.c
+++ b/arch/avr/src/avr32/up_stackframe.c
@@ -138,4 +138,3 @@ FAR void *up_stack_frame(FAR struct tcb_s *tcb, size_t frame_size)
 
   return (FAR void *)(topaddr + sizeof(uint32_t));
 }
-
diff --git a/arch/avr/src/avr32/up_switchcontext.S b/arch/avr/src/avr32/up_switchcontext.S
index 1542a64578..0001b02693 100644
--- a/arch/avr/src/avr32/up_switchcontext.S
+++ b/arch/avr/src/avr32/up_switchcontext.S
@@ -120,4 +120,3 @@ up_switchcontext:
 	.word	up_fullcontextrestore
 	.size	up_switchcontext, .-up_switchcontext
 	.end
-
diff --git a/arch/avr/src/avr32/up_unblocktask.c b/arch/avr/src/avr32/up_unblocktask.c
index bafe777e89..b0dbabfda1 100644
--- a/arch/avr/src/avr32/up_unblocktask.c
+++ b/arch/avr/src/avr32/up_unblocktask.c
@@ -160,4 +160,3 @@ void up_unblock_task(struct tcb_s *tcb)
         }
     }
 }
-
diff --git a/arch/avr/src/avr32/up_usestack.c b/arch/avr/src/avr32/up_usestack.c
index 4e6de52de8..8557f72b3e 100644
--- a/arch/avr/src/avr32/up_usestack.c
+++ b/arch/avr/src/avr32/up_usestack.c
@@ -139,4 +139,3 @@ int up_use_stack(struct tcb_s *tcb, void *stack, size_t stack_size)
 
   return OK;
 }
-
diff --git a/arch/avr/src/common/up_arch.h b/arch/avr/src/common/up_arch.h
index 80d8a75c5c..1be08c1537 100644
--- a/arch/avr/src/common/up_arch.h
+++ b/arch/avr/src/common/up_arch.h
@@ -88,4 +88,3 @@ void modifyreg32(unsigned int addr, uint32_t clearbits, uint32_t setbits);
 
 #endif /* __ASSEMBLY__ */
 #endif /* __ARCH_AVR_SRC_COMMON_UP_ARCH_H */
-
diff --git a/arch/avr/src/common/up_exit.c b/arch/avr/src/common/up_exit.c
index 695665a543..5708f48623 100644
--- a/arch/avr/src/common/up_exit.c
+++ b/arch/avr/src/common/up_exit.c
@@ -188,4 +188,3 @@ void _exit(int status)
 
   up_fullcontextrestore(tcb->xcp.regs);
 }
-
diff --git a/arch/avr/src/common/up_idle.c b/arch/avr/src/common/up_idle.c
index 0585bc9f1d..31ff82767e 100644
--- a/arch/avr/src/common/up_idle.c
+++ b/arch/avr/src/common/up_idle.c
@@ -84,4 +84,3 @@ void up_idle(void)
   nxsched_process_timer();
 #endif
 }
-
diff --git a/arch/avr/src/common/up_lowputs.c b/arch/avr/src/common/up_lowputs.c
index de4b4ff169..3c94b260d0 100644
--- a/arch/avr/src/common/up_lowputs.c
+++ b/arch/avr/src/common/up_lowputs.c
@@ -72,4 +72,3 @@ void up_lowputs(const char *str)
       up_lowputc(*str++);
     }
 }
-
diff --git a/arch/avr/src/common/up_mdelay.c b/arch/avr/src/common/up_mdelay.c
index bf594a3b08..4a10478aef 100644
--- a/arch/avr/src/common/up_mdelay.c
+++ b/arch/avr/src/common/up_mdelay.c
@@ -88,4 +88,3 @@ void up_mdelay(unsigned int milliseconds)
         }
     }
 }
-
diff --git a/arch/avr/src/common/up_modifyreg16.c b/arch/avr/src/common/up_modifyreg16.c
index 4e97cc95fc..7238d4a76f 100644
--- a/arch/avr/src/common/up_modifyreg16.c
+++ b/arch/avr/src/common/up_modifyreg16.c
@@ -83,4 +83,3 @@ void modifyreg16(unsigned int addr, uint16_t clearbits, uint16_t setbits)
   putreg16(regval, addr);
   leave_critical_section(flags);
 }
-
diff --git a/arch/avr/src/common/up_modifyreg32.c b/arch/avr/src/common/up_modifyreg32.c
index b6fc00fbb6..a1ac270c10 100644
--- a/arch/avr/src/common/up_modifyreg32.c
+++ b/arch/avr/src/common/up_modifyreg32.c
@@ -83,4 +83,3 @@ void modifyreg32(unsigned int addr, uint32_t clearbits, uint32_t setbits)
   putreg32(regval, addr);
   leave_critical_section(flags);
 }
-
diff --git a/arch/avr/src/common/up_modifyreg8.c b/arch/avr/src/common/up_modifyreg8.c
index d954b2ca65..0ca568c739 100644
--- a/arch/avr/src/common/up_modifyreg8.c
+++ b/arch/avr/src/common/up_modifyreg8.c
@@ -83,4 +83,3 @@ void modifyreg8(unsigned int addr, uint8_t clearbits, uint8_t setbits)
   putreg8(regval, addr);
   leave_critical_section(flags);
 }
-
diff --git a/arch/avr/src/common/up_puts.c b/arch/avr/src/common/up_puts.c
index e9b4171b98..d6bbcc5b90 100644
--- a/arch/avr/src/common/up_puts.c
+++ b/arch/avr/src/common/up_puts.c
@@ -73,4 +73,3 @@ void up_puts(const char *str)
       up_putc(*str++);
     }
 }
-
diff --git a/arch/avr/src/common/up_releasestack.c b/arch/avr/src/common/up_releasestack.c
index a687609f2f..7bee98e6ef 100644
--- a/arch/avr/src/common/up_releasestack.c
+++ b/arch/avr/src/common/up_releasestack.c
@@ -126,4 +126,3 @@ void up_release_stack(FAR struct tcb_s *dtcb, uint8_t ttype)
 
   dtcb->adj_stack_size = 0;
 }
-
diff --git a/arch/avr/src/common/up_udelay.c b/arch/avr/src/common/up_udelay.c
index 4105623c3c..075ce57ad4 100644
--- a/arch/avr/src/common/up_udelay.c
+++ b/arch/avr/src/common/up_udelay.c
@@ -127,4 +127,3 @@ void up_udelay(useconds_t microseconds)
       microseconds--;
     }
 }
-
diff --git a/arch/hc/include/.gitignore b/arch/hc/include/.gitignore
index 8b8a2b105c..11f2ae4e03 100644
--- a/arch/hc/include/.gitignore
+++ b/arch/hc/include/.gitignore
@@ -1,3 +1,2 @@
 /chip
 /board
-
diff --git a/arch/hc/include/irq.h b/arch/hc/include/irq.h
index 55c8622c92..3171cc8399 100644
--- a/arch/hc/include/irq.h
+++ b/arch/hc/include/irq.h
@@ -98,4 +98,3 @@ extern "C"
 #endif
 
 #endif /* __ARCH_HC_INCLUDE_IRQ_H */
-
diff --git a/arch/hc/include/syscall.h b/arch/hc/include/syscall.h
index a9d1b5ce83..6d76b9ba2b 100644
--- a/arch/hc/include/syscall.h
+++ b/arch/hc/include/syscall.h
@@ -80,4 +80,3 @@ extern "C"
 #endif
 
 #endif /* _ARCH_HC_INCLUDE_SYSCALL_H */
-
diff --git a/arch/hc/src/common/up_copystate.c b/arch/hc/src/common/up_copystate.c
index c9fe24b34e..c2272acd49 100644
--- a/arch/hc/src/common/up_copystate.c
+++ b/arch/hc/src/common/up_copystate.c
@@ -79,4 +79,3 @@ void up_copystate(uint8_t *dest, uint8_t *src)
       *dest++ = *src++;
     }
 }
-
diff --git a/arch/hc/src/common/up_exit.c b/arch/hc/src/common/up_exit.c
index 649f7b54ee..b3e52da303 100644
--- a/arch/hc/src/common/up_exit.c
+++ b/arch/hc/src/common/up_exit.c
@@ -188,4 +188,3 @@ void _exit(int status)
 
   up_fullcontextrestore(tcb->xcp.regs);
 }
-
diff --git a/arch/hc/src/common/up_idle.c b/arch/hc/src/common/up_idle.c
index bfd95fea10..5be85389c5 100644
--- a/arch/hc/src/common/up_idle.c
+++ b/arch/hc/src/common/up_idle.c
@@ -82,4 +82,3 @@ void up_idle(void)
   nxsched_process_timer();
 #endif
 }
-
diff --git a/arch/hc/src/common/up_stackframe.c b/arch/hc/src/common/up_stackframe.c
index 57d899f08e..b022dc8251 100644
--- a/arch/hc/src/common/up_stackframe.c
+++ b/arch/hc/src/common/up_stackframe.c
@@ -139,4 +139,3 @@ FAR void *up_stack_frame(FAR struct tcb_s *tcb, size_t frame_size)
 
   return (FAR void *)(topaddr + sizeof(uint16_t));
 }
-
diff --git a/arch/hc/src/m9s12/m9s12_gpioirq.c b/arch/hc/src/m9s12/m9s12_gpioirq.c
index e8e5f69783..c95addee32 100644
--- a/arch/hc/src/m9s12/m9s12_gpioirq.c
+++ b/arch/hc/src/m9s12/m9s12_gpioirq.c
@@ -290,4 +290,3 @@ void hcs12_gpioirqdisable(int irq)
     }
 }
 #endif /* CONFIG_HCS12_GPIOIRQ */
-
diff --git a/arch/hc/src/m9s12/m9s12_initialstate.c b/arch/hc/src/m9s12/m9s12_initialstate.c
index e36dc9298c..89e2ac9a27 100644
--- a/arch/hc/src/m9s12/m9s12_initialstate.c
+++ b/arch/hc/src/m9s12/m9s12_initialstate.c
@@ -122,4 +122,3 @@ void up_initial_state(struct tcb_s *tcb)
   xcp->regs[REG_CCR]      = HCS12_CCR_S;
 # endif
 }
-
diff --git a/arch/hc/src/m9s12/m9s12_vectors.S b/arch/hc/src/m9s12/m9s12_vectors.S
index 10bbe54064..ec23d50402 100644
--- a/arch/hc/src/m9s12/m9s12_vectors.S
+++ b/arch/hc/src/m9s12/m9s12_vectors.S
@@ -446,4 +446,3 @@ up_interruptstack_base:
 	.size	up_interruptstack, .-up_interruptstack
 #endif
 	.end
-
diff --git a/arch/mips/include/.gitignore b/arch/mips/include/.gitignore
index e6460c4a67..af8911db06 100644
--- a/arch/mips/include/.gitignore
+++ b/arch/mips/include/.gitignore
@@ -1,3 +1,2 @@
 /board
 /chip
-
diff --git a/arch/mips/include/arch.h b/arch/mips/include/arch.h
index 04eb2a9d74..6584548b9c 100644
--- a/arch/mips/include/arch.h
+++ b/arch/mips/include/arch.h
@@ -80,4 +80,3 @@ extern "C"
 #endif
 
 #endif /* __ARCH_MIPS_INCLUDE_ARCH_H */
-
diff --git a/arch/mips/include/irq.h b/arch/mips/include/irq.h
index 3ce95be747..3ac22bff5c 100644
--- a/arch/mips/include/irq.h
+++ b/arch/mips/include/irq.h
@@ -97,4 +97,3 @@ extern "C"
 
 #endif /* __ASSEMBLY__ */
 #endif /* __ARCH_MIPS_INCLUDE_IRQ_H */
-
diff --git a/arch/mips/include/limits.h b/arch/mips/include/limits.h
index 3b3ddb2224..4f4c26ff26 100644
--- a/arch/mips/include/limits.h
+++ b/arch/mips/include/limits.h
@@ -84,4 +84,3 @@
 #define UPTR_MAX    4294967295U
 
 #endif /* __ARCH_MIPS_INCLUDE_LIMITS_H */
-
diff --git a/arch/mips/include/mips32/irq.h b/arch/mips/include/mips32/irq.h
index 016c068927..05d4ade664 100644
--- a/arch/mips/include/mips32/irq.h
+++ b/arch/mips/include/mips32/irq.h
@@ -583,4 +583,3 @@ void up_irq_enable(void);
 
 #endif /* __ASSEMBLY */
 #endif /* __ARCH_MIPS_INCLUDE_MIPS32_IRQ_H */
-
diff --git a/arch/mips/include/mips32/registers.h b/arch/mips/include/mips32/registers.h
index 016d1278ba..3547b6b8ab 100644
--- a/arch/mips/include/mips32/registers.h
+++ b/arch/mips/include/mips32/registers.h
@@ -144,4 +144,3 @@ extern "C"
 #endif
 
 #endif /* __ARCH_MIPS_INCLUDE_MIPS32_REGISTERS_H */
-
diff --git a/arch/mips/include/mips32/syscall.h b/arch/mips/include/mips32/syscall.h
index 8107b5f61e..a3a69ec544 100644
--- a/arch/mips/include/mips32/syscall.h
+++ b/arch/mips/include/mips32/syscall.h
@@ -256,4 +256,3 @@ uintptr_t sys_call3(unsigned int nbr, uintptr_t parm1, uintptr_t parm2,
 
 #endif /* __ASSEMBLY__ */
 #endif /* __ARCH_MIPS_INCLUDE_MIPS32_SYSCALL_H */
-
diff --git a/arch/mips/include/pic32mx/irq.h b/arch/mips/include/pic32mx/irq.h
index 25d4c6f5cd..877662ff86 100644
--- a/arch/mips/include/pic32mx/irq.h
+++ b/arch/mips/include/pic32mx/irq.h
@@ -212,4 +212,3 @@ extern "C"
 
 #endif /* __ASSEMBLY__ */
 #endif /* __ARCH_MIPS_INCLUDE_PIC32MX_IRQ_H */
-
diff --git a/arch/mips/include/pic32mx/irq_1xx2xx.h b/arch/mips/include/pic32mx/irq_1xx2xx.h
index 0bd739c44a..6410f14fd3 100644
--- a/arch/mips/include/pic32mx/irq_1xx2xx.h
+++ b/arch/mips/include/pic32mx/irq_1xx2xx.h
@@ -213,4 +213,3 @@ extern "C"
 
 #endif /* __ASSEMBLY__ */
 #endif /* __ARCH_MIPS_INCLUDE_PIC32MX_IRQ_1XX2XX_H */
-
diff --git a/arch/mips/include/pic32mx/irq_3xx4xx.h b/arch/mips/include/pic32mx/irq_3xx4xx.h
index 3b404db33f..a159619584 100644
--- a/arch/mips/include/pic32mx/irq_3xx4xx.h
+++ b/arch/mips/include/pic32mx/irq_3xx4xx.h
@@ -202,4 +202,3 @@ extern "C"
 
 #endif /* __ASSEMBLY__ */
 #endif /* __ARCH_MIPS_INCLUDE_PIC32MX_IRQ_3XX4XX_H */
-
diff --git a/arch/mips/include/pic32mx/irq_5xx6xx7xx.h b/arch/mips/include/pic32mx/irq_5xx6xx7xx.h
index f9f9802792..859844dfdb 100644
--- a/arch/mips/include/pic32mx/irq_5xx6xx7xx.h
+++ b/arch/mips/include/pic32mx/irq_5xx6xx7xx.h
@@ -271,4 +271,3 @@ extern "C"
 
 #endif /* __ASSEMBLY__ */
 #endif /* __ARCH_MIPS_INCLUDE_PIC32MX_IRQ_5XX6XX7XX_H */
-
diff --git a/arch/mips/include/pic32mz/irq.h b/arch/mips/include/pic32mz/irq.h
index bf811690e6..c9b195ac53 100644
--- a/arch/mips/include/pic32mz/irq.h
+++ b/arch/mips/include/pic32mz/irq.h
@@ -212,4 +212,3 @@ extern "C"
 
 #endif /* __ASSEMBLY__ */
 #endif /* __ARCH_MIPS_INCLUDE_PIC32MZ_IRQ_H */
-
diff --git a/arch/mips/include/pic32mz/irq_pic32mzxxxec.h b/arch/mips/include/pic32mz/irq_pic32mzxxxec.h
index bbbd534adc..138f302bbb 100644
--- a/arch/mips/include/pic32mz/irq_pic32mzxxxec.h
+++ b/arch/mips/include/pic32mz/irq_pic32mzxxxec.h
@@ -299,4 +299,3 @@ extern "C"
 
 #endif /* __ASSEMBLY__ */
 #endif /* __ARCH_MIPS_INCLUDE_PIC32MZ_IRQ_PIC32MZXXXEC_H */
-
diff --git a/arch/mips/include/pic32mz/irq_pic32mzxxxef.h b/arch/mips/include/pic32mz/irq_pic32mzxxxef.h
index e1e1dd6d75..b6c2f24e7a 100644
--- a/arch/mips/include/pic32mz/irq_pic32mzxxxef.h
+++ b/arch/mips/include/pic32mz/irq_pic32mzxxxef.h
@@ -322,4 +322,3 @@ extern "C"
 
 #endif /* __ASSEMBLY__ */
 #endif /* __ARCH_MIPS_INCLUDE_PIC32MZ_IRQ_PIC32MZXXXEF_H */
-
diff --git a/arch/mips/include/syscall.h b/arch/mips/include/syscall.h
index b4f9a7b95a..b23d3b5c4b 100644
--- a/arch/mips/include/syscall.h
+++ b/arch/mips/include/syscall.h
@@ -86,4 +86,3 @@ extern "C"
 #endif
 
 #endif /* __ARCH_MIPS_INCLUDE_SYSCALL_H */
-
diff --git a/arch/mips/src/common/up_stackframe.c b/arch/mips/src/common/up_stackframe.c
index 45c8c05908..48e44ac81d 100644
--- a/arch/mips/src/common/up_stackframe.c
+++ b/arch/mips/src/common/up_stackframe.c
@@ -140,4 +140,3 @@ FAR void *up_stack_frame(FAR struct tcb_s *tcb, size_t frame_size)
 
   return (FAR void *)(topaddr + sizeof(uint32_t));
 }
-
diff --git a/arch/mips/src/mips32/up_copystate.c b/arch/mips/src/mips32/up_copystate.c
index 17ec401a47..a152e8b14a 100644
--- a/arch/mips/src/mips32/up_copystate.c
+++ b/arch/mips/src/mips32/up_copystate.c
@@ -83,4 +83,3 @@ void up_copystate(uint32_t *dest, uint32_t *src)
         }
     }
 }
-
diff --git a/arch/mips/src/mips32/up_initialstate.c b/arch/mips/src/mips32/up_initialstate.c
index 6ce523c012..42fc610db5 100644
--- a/arch/mips/src/mips32/up_initialstate.c
+++ b/arch/mips/src/mips32/up_initialstate.c
@@ -133,4 +133,3 @@ void up_initial_state(struct tcb_s *tcb)
 #endif
   xcp->regs[REG_STATUS] = regval;
 }
-
diff --git a/arch/mips/src/pic32mx/pic32mx-gpio.c b/arch/mips/src/pic32mx/pic32mx-gpio.c
index a672cb35e0..7c3dd0895b 100644
--- a/arch/mips/src/pic32mx/pic32mx-gpio.c
+++ b/arch/mips/src/pic32mx/pic32mx-gpio.c
@@ -336,4 +336,3 @@ void pic32mx_dumpgpio(uint32_t pinset, const char *msg)
     }
 }
 #endif
-
diff --git a/arch/mips/src/pic32mx/pic32mx-head.S b/arch/mips/src/pic32mx/pic32mx-head.S
index 3de6cd569a..1845fb130e 100644
--- a/arch/mips/src/pic32mx/pic32mx-head.S
+++ b/arch/mips/src/pic32mx/pic32mx-head.S
@@ -333,7 +333,7 @@ __start:
 	b		.Lbsscheck
 	nop
 
-.Lbssloop:	
+.Lbssloop:
 	sw		zero, 0x0(t0)
 	sw		zero, 0x4(t0)
 	sw		zero, 0x8(t0)
@@ -352,7 +352,7 @@ __start:
 	b		.Ldatacheck
 	nop
 
-.Ldataloop:	
+.Ldataloop:
 	lw		t3, (t0)
 	sw		t3, (t1)
 	addu	t0, 4
@@ -707,4 +707,3 @@ g_nestlevel:
 g_idle_topstack:
 	.long	PIC32MX_HEAP_BASE
 	.size	g_idle_topstack, .-g_idle_topstack
-
diff --git a/arch/mips/src/pic32mx/pic32mx-lowconsole.c b/arch/mips/src/pic32mx/pic32mx-lowconsole.c
index b8107f6bcd..53b37f2b0d 100644
--- a/arch/mips/src/pic32mx/pic32mx-lowconsole.c
+++ b/arch/mips/src/pic32mx/pic32mx-lowconsole.c
@@ -363,4 +363,3 @@ void up_lowputc(char ch)
                  (uint32_t)ch);
 #endif
 }
-
diff --git a/arch/mips/src/pic32mx/pic32mx-lowinit.c b/arch/mips/src/pic32mx/pic32mx-lowinit.c
index 27c5490f92..68df326c67 100644
--- a/arch/mips/src/pic32mx/pic32mx-lowinit.c
+++ b/arch/mips/src/pic32mx/pic32mx-lowinit.c
@@ -211,4 +211,3 @@ void pic32mx_lowinit(void)
 
   pic32mx_boardinitialize();
 }
-
diff --git a/arch/mips/src/pic32mx/pic32mx-serial.c b/arch/mips/src/pic32mx/pic32mx-serial.c
index e01214bbeb..ae6336951a 100644
--- a/arch/mips/src/pic32mx/pic32mx-serial.c
+++ b/arch/mips/src/pic32mx/pic32mx-serial.c
@@ -963,4 +963,3 @@ int up_putc(int ch)
 }
 
 #endif /* USE_SERIALDRIVER */
-
diff --git a/arch/mips/src/pic32mx/pic32mx-spi.c b/arch/mips/src/pic32mx/pic32mx-spi.c
index aa14790758..df13e599aa 100644
--- a/arch/mips/src/pic32mx/pic32mx-spi.c
+++ b/arch/mips/src/pic32mx/pic32mx-spi.c
@@ -1003,4 +1003,3 @@ errout:
 }
 
 #endif /* CONFIG_PIC32MX_SPI */
-
diff --git a/arch/mips/src/pic32mz/Make.defs b/arch/mips/src/pic32mz/Make.defs
index aba22b27ad..7e05e96fa0 100644
--- a/arch/mips/src/pic32mz/Make.defs
+++ b/arch/mips/src/pic32mz/Make.defs
@@ -115,4 +115,3 @@ endif
 ifeq ($(CONFIG_PIC32MZ_DMA),y)
 CHIP_CSRCS += pic32mz-dma.c
 endif
-
diff --git a/arch/mips/src/pic32mz/pic32mz-dma.h b/arch/mips/src/pic32mz/pic32mz-dma.h
index 6ebe7cf5e6..30e74295fc 100644
--- a/arch/mips/src/pic32mz/pic32mz-dma.h
+++ b/arch/mips/src/pic32mz/pic32mz-dma.h
@@ -333,4 +333,3 @@ void pic32mz_dma_dump(DMA_HANDLE handle, const struct pic32mz_dmaregs_s *regs,
 
 #endif /* __ASSEMBLY__ */
 #endif /* __ARCH_MIPS_SRC_PIC32MZ_PIC32MZ_DMA_H */
-
diff --git a/arch/mips/src/pic32mz/pic32mz-head.S b/arch/mips/src/pic32mz/pic32mz-head.S
index ae8c02f9ee..8fb47c515c 100644
--- a/arch/mips/src/pic32mz/pic32mz-head.S
+++ b/arch/mips/src/pic32mz/pic32mz-head.S
@@ -543,7 +543,7 @@ __start:
 	b		.Lbsscheck
 	nop
 
-.Lbssloop:	
+.Lbssloop:
 	sw		zero, 0x0(t0)
 	sw		zero, 0x4(t0)
 	sw		zero, 0x8(t0)
@@ -564,7 +564,7 @@ __start:
 	b		.Ldatacheck
 	nop
 
-.Ldataloop:	
+.Ldataloop:
 	lw		t3, (t0)
 	sw		t3, (t1)
 	addu	t0, 4
diff --git a/arch/mips/src/pic32mz/pic32mz-i2c.c b/arch/mips/src/pic32mz/pic32mz-i2c.c
index e9f38a7519..b67772c4be 100644
--- a/arch/mips/src/pic32mz/pic32mz-i2c.c
+++ b/arch/mips/src/pic32mz/pic32mz-i2c.c
@@ -1941,4 +1941,3 @@ int pic32mz_i2cbus_uninitialize(FAR struct i2c_master_s *dev)
 }
 
 #endif /* CONFIG_PIC32MZ_I2C */
-
diff --git a/arch/mips/src/pic32mz/pic32mz-serial.c b/arch/mips/src/pic32mz/pic32mz-serial.c
index a960d4a562..7f1452d67f 100644
--- a/arch/mips/src/pic32mz/pic32mz-serial.c
+++ b/arch/mips/src/pic32mz/pic32mz-serial.c
@@ -1244,4 +1244,3 @@ int up_putc(int ch)
 }
 
 #endif /* USE_SERIALDRIVER */
-
diff --git a/arch/misoc/include/.gitignore b/arch/misoc/include/.gitignore
index e6460c4a67..af8911db06 100644
--- a/arch/misoc/include/.gitignore
+++ b/arch/misoc/include/.gitignore
@@ -1,3 +1,2 @@
 /board
 /chip
-
diff --git a/arch/misoc/src/lm32/lm32_copystate.c b/arch/misoc/src/lm32/lm32_copystate.c
index b3afa387b8..d8b4a0529b 100644
--- a/arch/misoc/src/lm32/lm32_copystate.c
+++ b/arch/misoc/src/lm32/lm32_copystate.c
@@ -84,4 +84,3 @@ void lm32_copystate(uint32_t *dest, uint32_t *src)
         }
     }
 }
-
diff --git a/arch/misoc/src/minerva/Make.defs b/arch/misoc/src/minerva/Make.defs
index f859b8280d..a5f747b362 100644
--- a/arch/misoc/src/minerva/Make.defs
+++ b/arch/misoc/src/minerva/Make.defs
@@ -52,4 +52,3 @@ CHIP_CSRCS += minerva_irq.c minerva_releasepending.c minerva_releasestack.c
 CHIP_CSRCS += minerva_stackframe.c minerva_swint.c minerva_unblocktask.c
 CHIP_CSRCS += minerva_reprioritizertr.c minerva_schedulesigaction.c minerva_sigdeliver.c
 CHIP_CSRCS += minerva_flushcache.c minerva_doexceptions.c
-
diff --git a/arch/misoc/src/minerva/minerva_dumpstate.c b/arch/misoc/src/minerva/minerva_dumpstate.c
index 57a17d4954..72eedfc60c 100644
--- a/arch/misoc/src/minerva/minerva_dumpstate.c
+++ b/arch/misoc/src/minerva/minerva_dumpstate.c
@@ -229,4 +229,3 @@ void minerva_dumpstate(void)
 }
 
 #endif  /* CONFIG_ARCH_STACKDUMP */
-
diff --git a/arch/misoc/src/minerva/minerva_syscall.S b/arch/misoc/src/minerva/minerva_syscall.S
index bebd5aa3e4..de51e72793 100644
--- a/arch/misoc/src/minerva/minerva_syscall.S
+++ b/arch/misoc/src/minerva/minerva_syscall.S
@@ -88,7 +88,7 @@ sys_call5:	/* a0 holds the syscall number, arguments in a1, a2, a3, a4 and a5 */
 	/* Issue the ECALL opcode to perform a SW interrupt to the OS */
 
 	ecall
-	
+
 	/* The actual interrupt may not a occur for a few more cycles.  Let's
 	 * put a few nop's here in hope that the SW interrupt occurs during
 	 * the sequence of nops.
diff --git a/arch/or1k/include/.gitignore b/arch/or1k/include/.gitignore
index e6460c4a67..af8911db06 100644
--- a/arch/or1k/include/.gitignore
+++ b/arch/or1k/include/.gitignore
@@ -1,3 +1,2 @@
 /board
 /chip
-
diff --git a/arch/or1k/src/mor1kx/Make.defs b/arch/or1k/src/mor1kx/Make.defs
index d21276c0e4..228c8b8bdc 100644
--- a/arch/or1k/src/mor1kx/Make.defs
+++ b/arch/or1k/src/mor1kx/Make.defs
@@ -92,4 +92,3 @@ endif
 ifeq ($(CONFIG_ARCH_IRQPRIO),y)
 #CHIP_CSRCS += sam_irqprio.c
 endif
-
diff --git a/arch/or1k/src/mor1kx/Toolchain.defs b/arch/or1k/src/mor1kx/Toolchain.defs
index 9a93766568..1a3d38f5b6 100644
--- a/arch/or1k/src/mor1kx/Toolchain.defs
+++ b/arch/or1k/src/mor1kx/Toolchain.defs
@@ -69,4 +69,3 @@ ARCHPICFLAGS = -fpic -membedded-pic
 LDFLAGS += -nostartfiles -nodefaultlibs
 LDSCRIPT = or1k-elf-debug.ld
 #endif
-
diff --git a/arch/renesas/include/irq.h b/arch/renesas/include/irq.h
index 4f365ceaa8..74d5533fd9 100644
--- a/arch/renesas/include/irq.h
+++ b/arch/renesas/include/irq.h
@@ -83,4 +83,3 @@ extern "C"
 #endif
 
 #endif /* __ARCH_RENESAS_INCLUDE_IRQ_H */
-
diff --git a/arch/renesas/include/m16c/irq.h b/arch/renesas/include/m16c/irq.h
index 9fbb16927d..04c8f6899c 100644
--- a/arch/renesas/include/m16c/irq.h
+++ b/arch/renesas/include/m16c/irq.h
@@ -348,4 +348,3 @@ static inline irqstate_t up_irq_enable(void)
 #endif
 
 #endif /* __ARCH_RENESAS_INCLUDE_M16C_IRQ_H */
-
diff --git a/arch/renesas/include/rx65n/iodefine.h b/arch/renesas/include/rx65n/iodefine.h
index 5dab7d0d66..44139ba7d9 100644
--- a/arch/renesas/include/rx65n/iodefine.h
+++ b/arch/renesas/include/rx65n/iodefine.h
@@ -18047,4 +18047,3 @@ typedef struct st_cmtw
 
 #endif  /* __ASSEMBLER__ */
 #endif
-
diff --git a/arch/renesas/include/sh1/irq.h b/arch/renesas/include/sh1/irq.h
index 693a6e939d..257a683763 100644
--- a/arch/renesas/include/sh1/irq.h
+++ b/arch/renesas/include/sh1/irq.h
@@ -569,4 +569,3 @@ static inline void up_irq_restore(irqstate_t flags)
 #endif
 
 #endif /* __ARCH_RENESAS_INCLUDE_SH1_IRQ_H */
-
diff --git a/arch/renesas/include/syscall.h b/arch/renesas/include/syscall.h
index afe93f6976..75b20a2c9d 100644
--- a/arch/renesas/include/syscall.h
+++ b/arch/renesas/include/syscall.h
@@ -80,4 +80,3 @@ extern "C"
 #endif
 
 #endif /* __ARCH_RENESAS_INCLUDE_SYSCALL_H */
-
diff --git a/arch/renesas/src/common/up_exit.c b/arch/renesas/src/common/up_exit.c
index 5ddd35305a..fc2e923231 100644
--- a/arch/renesas/src/common/up_exit.c
+++ b/arch/renesas/src/common/up_exit.c
@@ -188,4 +188,3 @@ void _exit(int status)
 
   up_fullcontextrestore(tcb->xcp.regs);
 }
-
diff --git a/arch/renesas/src/common/up_idle.c b/arch/renesas/src/common/up_idle.c
index 29bfac7eac..fa431cd3a8 100644
--- a/arch/renesas/src/common/up_idle.c
+++ b/arch/renesas/src/common/up_idle.c
@@ -84,4 +84,3 @@ void up_idle(void)
   nxsched_process_timer();
 #endif
 }
-
diff --git a/arch/renesas/src/common/up_stackframe.c b/arch/renesas/src/common/up_stackframe.c
index d3512ec9c9..c61f17af91 100644
--- a/arch/renesas/src/common/up_stackframe.c
+++ b/arch/renesas/src/common/up_stackframe.c
@@ -136,4 +136,3 @@ FAR void *up_stack_frame(FAR struct tcb_s *tcb, size_t frame_size)
 
   return (FAR void *)(topaddr + sizeof(uint32_t));
 }
-
diff --git a/arch/renesas/src/m16c/m16c_copystate.c b/arch/renesas/src/m16c/m16c_copystate.c
index 662a6870f6..64bbbec2dc 100644
--- a/arch/renesas/src/m16c/m16c_copystate.c
+++ b/arch/renesas/src/m16c/m16c_copystate.c
@@ -72,4 +72,3 @@ void up_copystate(uint32_t *dest, uint32_t *src)
 {
   memcpy(dest, src, XCPTCONTEXT_SIZE);
 }
-
diff --git a/arch/renesas/src/m16c/m16c_serial.c b/arch/renesas/src/m16c/m16c_serial.c
index 46b9fb9dee..dc618adfe5 100644
--- a/arch/renesas/src/m16c/m16c_serial.c
+++ b/arch/renesas/src/m16c/m16c_serial.c
@@ -1158,4 +1158,3 @@ int up_putc(int ch)
 #elif defined(CONFIG_UART0_SERIAL_CONSOLE) || defined(CONFIG_UART1_SERIAL_CONSOLE)|| defined(CONFIG_UART2_SERIAL_CONSOLE)
 #    error "A serial console selected, but corresponding UART not enabled"
 #endif /* CONFIG_M16C_UART0 || CONFIG_M16C_UART1 || CONFIG_M16C_UART2 */
-
diff --git a/arch/renesas/src/m16c/m16c_vectors.S b/arch/renesas/src/m16c/m16c_vectors.S
index 0925db3e4e..b7c6c7c836 100644
--- a/arch/renesas/src/m16c/m16c_vectors.S
+++ b/arch/renesas/src/m16c/m16c_vectors.S
@@ -58,7 +58,7 @@
 	jmp.w	_m16c_commonvector
 	.endm
 
-/* Special page vectors. This macro puts the jump address of	
+/* Special page vectors. This macro puts the jump address of
  * functions defined as special page into the special page vector table.
  * See example calls below and see the M16C Software Manual or NC30
  * manual for more information on special page vectors.
@@ -381,7 +381,7 @@ _m16c_commonvector:
 	fset	u				/* Switch to User stack */
 	ldc	r0, sp				/* Restore the user stack pointer */
 	fclr	u				/* Back to interrupt stack */
- 	
+
 /* Recover all registers and return */
 
 	fclr	b				/* Switch back to Bank 0 */
@@ -454,7 +454,7 @@ _m16c_contextsave:
 	mov.w	#0, r0				/* Return zero */
 	reit					/* Return from interrupt */
 	.size	_up_saveusercontext, .-_up_saveusercontext
-	
+
 /************************************************************************************
  * Name: void up_fullcontextrestore(uint32_t *regs)
  *
@@ -503,7 +503,7 @@ _m16c_contextrestore:
  	fset	b				/* Switch to bank 1 */
  	pop.w	r0				/* R0 = saved user stack pointer */
 	fclr	b				/* Back to bank 0 */
- 	
+
 /* Recover all registers */
 
 	popm	fb,sb,a1,a0,r3,r2,r1,r0		/* Restore from registers from user stack */
diff --git a/arch/renesas/src/rx65n/rx65n_hardware_setup.c b/arch/renesas/src/rx65n/rx65n_hardware_setup.c
index 3c5929f24f..94aedb64d5 100644
--- a/arch/renesas/src/rx65n/rx65n_hardware_setup.c
+++ b/arch/renesas/src/rx65n/rx65n_hardware_setup.c
@@ -2,7 +2,7 @@
  * arch/renesas/src/rx65n/rx65n_hardware_setup.c
  *
  *   Copyright (C) 2008-2019 Gregory Nutt. All rights reserved.
- *   Author: Anjana <anjana@tataelxsi.co.in> 
+ *   Author: Anjana <anjana@tataelxsi.co.in>
  *           Surya <surya.prakash@tataelxsi.co.in>
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/arch/renesas/src/rx65n/rx65n_head.S b/arch/renesas/src/rx65n/rx65n_head.S
index 22e9d1b7f2..9a3ffc15e2 100644
--- a/arch/renesas/src/rx65n/rx65n_head.S
+++ b/arch/renesas/src/rx65n/rx65n_head.S
@@ -83,7 +83,7 @@
 /*****************************************************************************
  * Macros
  *****************************************************************************/
- 
+
 /*****************************************************************************
  * Name: showprogress
  *
diff --git a/arch/renesas/src/rx65n/rx65n_irq.c b/arch/renesas/src/rx65n/rx65n_irq.c
index 9fac5bcb66..1f4009e752 100644
--- a/arch/renesas/src/rx65n/rx65n_irq.c
+++ b/arch/renesas/src/rx65n/rx65n_irq.c
@@ -2,7 +2,7 @@
  * arch/renesas/src/rx65n/rx65n_irq.c
  *
  *   Copyright (C) 2008-2019 Gregory Nutt. All rights reserved.
- *   Author: Anjana <anjana@tataelxsi.co.in> 
+ *   Author: Anjana <anjana@tataelxsi.co.in>
  *          Surya <surya.prakash@tataelxsi.co.in>
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/arch/renesas/src/rx65n/rx65n_port.c b/arch/renesas/src/rx65n/rx65n_port.c
index 97dfdd23ad..e6f311397b 100644
--- a/arch/renesas/src/rx65n/rx65n_port.c
+++ b/arch/renesas/src/rx65n/rx65n_port.c
@@ -2,7 +2,7 @@
  * arch/renesas/src/rx65n/rx65n_port.c
  *
  *   Copyright (C) 2008-2019 Gregory Nutt. All rights reserved.
- *   Author: Anjana <anjana@tataelxsi.co.in> 
+ *   Author: Anjana <anjana@tataelxsi.co.in>
  *           Surya <surya.prakash@tataelxsi.co.in>
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/arch/renesas/src/rx65n/rx65n_vector.S b/arch/renesas/src/rx65n/rx65n_vector.S
index 32a6ff8c8c..5d9adfb55e 100644
--- a/arch/renesas/src/rx65n/rx65n_vector.S
+++ b/arch/renesas/src/rx65n/rx65n_vector.S
@@ -2,7 +2,7 @@
  * arch/renesas/src/rx65n/rx65n_vector.S
  *
  *   Copyright (C) 2008-2019 Gregory Nutt. All rights reserved.
- *   Author: Anjana <anjana@tataelxsi.co.in> 
+ *   Author: Anjana <anjana@tataelxsi.co.in>
  *           Surya <surya.prakash@tataelxsi.co.in>
  *
  * Redistribution and use in source and binary forms, with or without
@@ -131,7 +131,7 @@ _up_num_irq:
  *     registers : USP, ACC0LO, ACC0,HI, ACC0GU, ACC1LO, ACC1,HI, ACC1GU,
  *                 FPSW, R1, R2, ..., R15
  ***************************************************************************/
- 
+
  .macro  POPREGS
   POPC    USP
   POP     R15
@@ -345,7 +345,7 @@ _uprx65_swint2_handler:
 
 _uprx65n_start_handler:
   trampoline NR_IRQS, _uprx65_invalid_handler
-  
+
 #ifdef CONFIG_BSC
   trampoline RX65N_BUSERR_IRQ, _uprx65_buserr_handler
 #endif
@@ -492,7 +492,7 @@ _uprx65_groupbe0_handler:
 /* TODO: Please write the others with
  * definition RX65N_XXX_IRQ in irq.h as IRQ number
  */
- 
+
   RTE
   NOP
 _uprx65_groupbl2_handler:
@@ -500,7 +500,7 @@ _uprx65_groupbl2_handler:
 /* TODO: Please write the others with
  * definition RX65N_XXX_IRQ in irq.h as IRQ number
  */
- 
+
   RTE
   NOP
 #endif
@@ -550,7 +550,7 @@ _uprx65_groupbl0_handler:
 /* TODO: Please write the others with
  * definition RX65N_XXX_IRQ in irq.h as IRQ number
  */
- 
+
   RTE
   NOP
 _uprx65_groupbl1_handler:
@@ -567,7 +567,7 @@ _uprx65_groupbl1_handler:
 /* TODO: Please write the others with
  * definition RX65N_XXX_IRQ in irq.h as IRQ number
  */
- 
+
   RTE
   NOP
 _uprx65_groupal0_handler:
@@ -584,7 +584,7 @@ _uprx65_groupal0_handler:
 /* TODO: Please write the others with
  * definition RX65N_XXX_IRQ in irq.h as IRQ number
  */
- 
+
   RTE
   NOP
 _uprx65_groupal1_handler:
@@ -592,7 +592,7 @@ _uprx65_groupal1_handler:
   multi_switching RX65N_GRPAL1_ADDR, RX65N_GENAL1_ADDR, 4, RX65N_ETH_IRQ
 #endif /* CONFIG_RX65N_EMAC0 */
 
-/* TODO: Please write the others with definition RX65N_XXX_IRQ in 
+/* TODO: Please write the others with definition RX65N_XXX_IRQ in
  * irq.h as IRQ number */
 
     RTE
@@ -1148,7 +1148,7 @@ __int_vector_table:
   .long   _uprx65_invalid_handler
 #endif
 
-#ifdef CONFIG_RX65N_PERIB 
+#ifdef CONFIG_RX65N_PERIB
   .long   _uprx65_intb128_handler
   .long   _uprx65_intb129_handler
   .long   _uprx65_intb130_handler
diff --git a/arch/renesas/src/sh1/Make.defs b/arch/renesas/src/sh1/Make.defs
index ee1e291aca..013a96bd88 100644
--- a/arch/renesas/src/sh1/Make.defs
+++ b/arch/renesas/src/sh1/Make.defs
@@ -55,4 +55,3 @@ endif
 ifeq ($(CONFIG_USBDEV),y)
 CHIP_CSRCS +=
 endif
-
diff --git a/arch/renesas/src/sh1/sh1_703x.h b/arch/renesas/src/sh1/sh1_703x.h
index 580110e9e7..fee9e719c7 100644
--- a/arch/renesas/src/sh1/sh1_703x.h
+++ b/arch/renesas/src/sh1/sh1_703x.h
@@ -460,16 +460,3 @@
  ************************************************************************************/
 
 #endif /* __ARCH_RENESAS_SRC_SH1_703X_H */
-
-
-
-
-
-
-
-
-
-
-
-
-
diff --git a/arch/renesas/src/sh1/sh1_copystate.c b/arch/renesas/src/sh1/sh1_copystate.c
index 8b2404ca25..1cbf27194d 100644
--- a/arch/renesas/src/sh1/sh1_copystate.c
+++ b/arch/renesas/src/sh1/sh1_copystate.c
@@ -74,4 +74,3 @@ void up_copystate(uint32_t *dest, uint32_t *src)
       *dest++ = *src++;
     }
 }
-
diff --git a/arch/renesas/src/sh1/sh1_head.S b/arch/renesas/src/sh1/sh1_head.S
index 29be312eba..587aea7887 100644
--- a/arch/renesas/src/sh1/sh1_head.S
+++ b/arch/renesas/src/sh1/sh1_head.S
@@ -343,7 +343,7 @@ __vector_table:
 __start:
 	/* Initialize stack pointer to the preallocated stack */
 	mov.l	.Lstack, r15
-	
+
 	/* set up the bus controller for the EVB */
 
 	mov.l	.Lwcr1, r0
@@ -356,7 +356,7 @@ __start:
 	mov.w	.Lbas, r1
 	bra		__start0
 	mov.w	r1, @r0
-	
+
 	.align 2
 .Lstack:
 	.long	_ebss+CONFIG_IDLETHREAD_STACKSIZE-4
diff --git a/arch/renesas/src/sh1/sh1_vector.S b/arch/renesas/src/sh1/sh1_vector.S
index 78ec75f310..6b1270c1bb 100644
--- a/arch/renesas/src/sh1/sh1_vector.S
+++ b/arch/renesas/src/sh1/sh1_vector.S
@@ -304,7 +304,7 @@ _up_vector:
 	mov	r15, r5		/* R5 = current SP */
 	add	#(12*4), r5	/* Account for sr, pc, r0-r7, mach, and macl */
 	mov.l	r5, @-r15	/* Save the SP before the interrupt */
-	
+
 	/* Save the remaining registers on the stack:
 	 *
 	 * SP -> r8		(REG_R8=0) See irq.h
@@ -523,4 +523,3 @@ _g_intstackbase:
 	.size	_g_intstackalloc, (CONFIG_ARCH_INTERRUPTSTACK & ~3)
 #endif
 	.end
-
diff --git a/arch/risc-v/include/.gitignore b/arch/risc-v/include/.gitignore
index e6460c4a67..af8911db06 100644
--- a/arch/risc-v/include/.gitignore
+++ b/arch/risc-v/include/.gitignore
@@ -1,3 +1,2 @@
 /board
 /chip
-
diff --git a/arch/risc-v/include/arch.h b/arch/risc-v/include/arch.h
index 8e0abb258e..34d58179d1 100644
--- a/arch/risc-v/include/arch.h
+++ b/arch/risc-v/include/arch.h
@@ -116,4 +116,3 @@ extern "C" {
 #endif
 
 #endif /* __ARCH_RISCV_INCLUDE_ARCH_H */
-
diff --git a/arch/risc-v/include/fe310/irq.h b/arch/risc-v/include/fe310/irq.h
index d24caeb1c3..43c2afa265 100644
--- a/arch/risc-v/include/fe310/irq.h
+++ b/arch/risc-v/include/fe310/irq.h
@@ -154,4 +154,3 @@ EXTERN irqstate_t up_irq_enable(void);
 #endif
 #endif /* __ASSEMBLY__ */
 #endif /* __ARCH_RISCV_INCLUDE_FE310_IRQ_H */
-
diff --git a/arch/risc-v/include/k210/irq.h b/arch/risc-v/include/k210/irq.h
index 79d72f36fe..241ad12b00 100644
--- a/arch/risc-v/include/k210/irq.h
+++ b/arch/risc-v/include/k210/irq.h
@@ -125,4 +125,3 @@ EXTERN irqstate_t up_irq_enable(void);
 #endif
 #endif /* __ASSEMBLY__ */
 #endif /* __ARCH_RISCV_INCLUDE_K210_IRQ_H */
-
diff --git a/arch/risc-v/include/nr5m100/chip.h b/arch/risc-v/include/nr5m100/chip.h
index 79d681f6e2..79b81f3ec6 100644
--- a/arch/risc-v/include/nr5m100/chip.h
+++ b/arch/risc-v/include/nr5m100/chip.h
@@ -58,4 +58,3 @@
  ****************************************************************************/
 
 #endif /* __ARCH_RISCV_INCLUDE_NR5M100_CHIP_H */
-
diff --git a/arch/risc-v/include/nr5m100/irq.h b/arch/risc-v/include/nr5m100/irq.h
index 20b263a97b..8fc6c75e2b 100644
--- a/arch/risc-v/include/nr5m100/irq.h
+++ b/arch/risc-v/include/nr5m100/irq.h
@@ -69,4 +69,3 @@ void up_irq_restore(irqstate_t irqstate);
 irqstate_t up_irq_enable(void);
 
 #endif /* __ARCH_RISCV_INCLUDE_NR5M100_IRQ_H */
-
diff --git a/arch/risc-v/include/nr5m100/nr5m1xx_irq.h b/arch/risc-v/include/nr5m100/nr5m1xx_irq.h
index ceffbb2985..3abd5a5c2b 100644
--- a/arch/risc-v/include/nr5m100/nr5m1xx_irq.h
+++ b/arch/risc-v/include/nr5m100/nr5m1xx_irq.h
@@ -68,4 +68,3 @@
  ****************************************************************************/
 
 #endif /* __ARCH_RISCV_INCLUDE_NR5M100_NR5M1XX_IRQ_H */
-
diff --git a/arch/risc-v/include/rv32im/csr.h b/arch/risc-v/include/rv32im/csr.h
index 3aac4173e6..6ba7b420d7 100644
--- a/arch/risc-v/include/rv32im/csr.h
+++ b/arch/risc-v/include/rv32im/csr.h
@@ -97,4 +97,3 @@
  ****************************************************************************/
 
 #endif /* __ARCH_RISCV_INCLUDE_RV32IM_CSR_H */
-
diff --git a/arch/risc-v/include/rv32im/syscall.h b/arch/risc-v/include/rv32im/syscall.h
index 9a3f80623b..b4bf0c30bb 100644
--- a/arch/risc-v/include/rv32im/syscall.h
+++ b/arch/risc-v/include/rv32im/syscall.h
@@ -205,4 +205,3 @@ uintptr_t sys_call5(unsigned int nbr, uintptr_t parm1, uintptr_t parm2,
 
 #endif /* __ASSEMBLY__ */
 #endif /* __ARCH_RISCV_INCLUDE_RV32IM_SYSCALL_H */
-
diff --git a/arch/risc-v/include/rv64gc/syscall.h b/arch/risc-v/include/rv64gc/syscall.h
index 009b3612f8..e611230da9 100644
--- a/arch/risc-v/include/rv64gc/syscall.h
+++ b/arch/risc-v/include/rv64gc/syscall.h
@@ -206,4 +206,3 @@ uintptr_t sys_call5(unsigned int nbr, uintptr_t parm1, uintptr_t parm2,
 
 #endif /* __ASSEMBLY__ */
 #endif /* __ARCH_RISCV_INCLUDE_RV64GC_SYSCALL_H */
-
diff --git a/arch/risc-v/include/syscall.h b/arch/risc-v/include/syscall.h
index 37a705afeb..494f98d6b4 100644
--- a/arch/risc-v/include/syscall.h
+++ b/arch/risc-v/include/syscall.h
@@ -92,4 +92,3 @@ extern "C"
 #endif
 
 #endif /* __ARCH_RISCV_INCLUDE_SYSCALL_H */
-
diff --git a/arch/risc-v/src/common/up_exit.c b/arch/risc-v/src/common/up_exit.c
index 7a3875918b..785b852bcc 100644
--- a/arch/risc-v/src/common/up_exit.c
+++ b/arch/risc-v/src/common/up_exit.c
@@ -196,4 +196,3 @@ void _exit(int status)
 
   DEBUGPANIC();
 }
-
diff --git a/arch/risc-v/src/common/up_puts.c b/arch/risc-v/src/common/up_puts.c
index 9300c12210..baba677f15 100644
--- a/arch/risc-v/src/common/up_puts.c
+++ b/arch/risc-v/src/common/up_puts.c
@@ -61,4 +61,3 @@ void up_puts(const char *str)
       up_putc(*str++);
     }
 }
-
diff --git a/arch/risc-v/src/common/up_stackframe.c b/arch/risc-v/src/common/up_stackframe.c
index 42319e42cd..fbc73a7763 100644
--- a/arch/risc-v/src/common/up_stackframe.c
+++ b/arch/risc-v/src/common/up_stackframe.c
@@ -141,4 +141,3 @@ FAR void *up_stack_frame(FAR struct tcb_s *tcb, size_t frame_size)
 
   return (FAR void *)(topaddr);
 }
-
diff --git a/arch/risc-v/src/fe310/Make.defs b/arch/risc-v/src/fe310/Make.defs
index b47501aded..5d1d41e5c1 100644
--- a/arch/risc-v/src/fe310/Make.defs
+++ b/arch/risc-v/src/fe310/Make.defs
@@ -59,4 +59,3 @@ CHIP_CSRCS  = fe310_allocateheap.c fe310_clockconfig.c fe310_gpio.c
 CHIP_CSRCS += fe310_idle.c fe310_irq.c fe310_irq_dispatch.c
 CHIP_CSRCS += fe310_lowputc.c fe310_serial.c
 CHIP_CSRCS += fe310_start.c fe310_timerisr.c
-
diff --git a/arch/risc-v/src/fe310/chip.h b/arch/risc-v/src/fe310/chip.h
index 3a4733397d..62794fdf4f 100644
--- a/arch/risc-v/src/fe310/chip.h
+++ b/arch/risc-v/src/fe310/chip.h
@@ -42,4 +42,3 @@
 #include "fe310_memorymap.h"
 
 #endif /* __ARCH_RISCV_SRC_FE310_CHIP_H */
-
diff --git a/arch/risc-v/src/fe310/fe310.h b/arch/risc-v/src/fe310/fe310.h
index cfe707fccd..77aec617f2 100644
--- a/arch/risc-v/src/fe310/fe310.h
+++ b/arch/risc-v/src/fe310/fe310.h
@@ -51,4 +51,3 @@
 #include "fe310_lowputc.h"
 
 #endif /* __ARCH_RISCV_SRC_FE310_FE310_H */
-
diff --git a/arch/risc-v/src/fe310/fe310_allocateheap.c b/arch/risc-v/src/fe310/fe310_allocateheap.c
index 922e6e3662..a7ed59a75a 100644
--- a/arch/risc-v/src/fe310/fe310_allocateheap.c
+++ b/arch/risc-v/src/fe310/fe310_allocateheap.c
@@ -51,4 +51,3 @@
 void up_addregion(void)
 {
 }
-
diff --git a/arch/risc-v/src/fe310/fe310_gpio.h b/arch/risc-v/src/fe310/fe310_gpio.h
index 3e060ad56d..95d05dc7e7 100644
--- a/arch/risc-v/src/fe310/fe310_gpio.h
+++ b/arch/risc-v/src/fe310/fe310_gpio.h
@@ -202,4 +202,3 @@ EXTERN void fe310_gpio_clearpending(uint32_t pin);
 
 #endif /* __ASSEMBLY__ */
 #endif /* __ARCH_RISCV_SRC_FE310_FE310_GPIO_H */
-
diff --git a/arch/risc-v/src/fe310/fe310_irq_dispatch.c b/arch/risc-v/src/fe310/fe310_irq_dispatch.c
index e83ff960cf..e323023429 100644
--- a/arch/risc-v/src/fe310/fe310_irq_dispatch.c
+++ b/arch/risc-v/src/fe310/fe310_irq_dispatch.c
@@ -133,4 +133,3 @@ void *fe310_dispatch_irq(uint32_t vector, uint32_t *regs)
 
   return regs;
 }
-
diff --git a/arch/risc-v/src/fe310/fe310_lowputc.h b/arch/risc-v/src/fe310/fe310_lowputc.h
index 2ef3d760a4..d96aba7167 100644
--- a/arch/risc-v/src/fe310/fe310_lowputc.h
+++ b/arch/risc-v/src/fe310/fe310_lowputc.h
@@ -72,4 +72,3 @@ EXTERN void fe310_lowsetup(void);
 
 #endif /* __ASSEMBLY__ */
 #endif /* __ARCH_RISCV_SRC_FE310_FE310_LOWPUTC_H */
-
diff --git a/arch/risc-v/src/fe310/fe310_memorymap.h b/arch/risc-v/src/fe310/fe310_memorymap.h
index 26a5fa0013..43b9bf23bd 100644
--- a/arch/risc-v/src/fe310/fe310_memorymap.h
+++ b/arch/risc-v/src/fe310/fe310_memorymap.h
@@ -60,4 +60,3 @@
 #define FE310_IDLESTACK_TOP  (FE310_IDLESTACK_BASE + FE310_IDLESTACK_SIZE)
 
 #endif  /* _ARCH_RISCV_SRC_FE310_FE310_MEMORYMAP_H */
-
diff --git a/arch/risc-v/src/fe310/fe310_serial.c b/arch/risc-v/src/fe310/fe310_serial.c
index 1fca0669a1..8e92f34243 100644
--- a/arch/risc-v/src/fe310/fe310_serial.c
+++ b/arch/risc-v/src/fe310/fe310_serial.c
@@ -742,4 +742,3 @@ int up_putc(int ch)
 }
 
 #endif /* USE_SERIALDRIVER */
-
diff --git a/arch/risc-v/src/fe310/fe310_timerisr.c b/arch/risc-v/src/fe310/fe310_timerisr.c
index a184865254..32717e190f 100644
--- a/arch/risc-v/src/fe310/fe310_timerisr.c
+++ b/arch/risc-v/src/fe310/fe310_timerisr.c
@@ -142,4 +142,3 @@ void riscv_timer_initialize(void)
 
   up_enable_irq(FE310_IRQ_MTIMER);
 }
-
diff --git a/arch/risc-v/src/fe310/fe310_vectors.S b/arch/risc-v/src/fe310/fe310_vectors.S
index e9a86bbd62..35ea5f04a5 100644
--- a/arch/risc-v/src/fe310/fe310_vectors.S
+++ b/arch/risc-v/src/fe310/fe310_vectors.S
@@ -52,4 +52,3 @@ __reset_vec:
 __trap_vec:
   j    exception_common
   nop
-
diff --git a/arch/risc-v/src/fe310/hardware/fe310_memorymap.h b/arch/risc-v/src/fe310/hardware/fe310_memorymap.h
index bb4a23897d..f14144a2ee 100644
--- a/arch/risc-v/src/fe310/hardware/fe310_memorymap.h
+++ b/arch/risc-v/src/fe310/hardware/fe310_memorymap.h
@@ -50,4 +50,3 @@
 #define FE310_UART1_BASE   0x10023000  /* 0x10023000 - 0x10023fff: UART1 */
 
 #endif /* __ARCH_RISCV_SRC_FE310_HARDWARE_FE310_MEMORYMAP_H */
-
diff --git a/arch/risc-v/src/k210/chip.h b/arch/risc-v/src/k210/chip.h
index 6f0d7aa140..ed522cb194 100644
--- a/arch/risc-v/src/k210/chip.h
+++ b/arch/risc-v/src/k210/chip.h
@@ -42,4 +42,3 @@
 #include "k210_memorymap.h"
 
 #endif /* __ARCH_RISCV_SRC_K210_CHIP_H */
-
diff --git a/arch/risc-v/src/k210/hardware/k210_memorymap.h b/arch/risc-v/src/k210/hardware/k210_memorymap.h
index d9f5deb4f8..6f1f5f0ab3 100644
--- a/arch/risc-v/src/k210/hardware/k210_memorymap.h
+++ b/arch/risc-v/src/k210/hardware/k210_memorymap.h
@@ -50,4 +50,3 @@
 #define K210_GPIO_BASE    0x38001000
 
 #endif /* __ARCH_RISCV_SRC_K210_HARDWARE_K210_MEMORYMAP_H */
-
diff --git a/arch/risc-v/src/k210/k210.h b/arch/risc-v/src/k210/k210.h
index 2c16714a9d..b2552232d3 100644
--- a/arch/risc-v/src/k210/k210.h
+++ b/arch/risc-v/src/k210/k210.h
@@ -51,4 +51,3 @@
 #include "k210_lowputc.h"
 
 #endif /* __ARCH_RISCV_SRC_K210_K210_H */
-
diff --git a/arch/risc-v/src/k210/k210_allocateheap.c b/arch/risc-v/src/k210/k210_allocateheap.c
index 6f82aa3af1..eca9365cb8 100644
--- a/arch/risc-v/src/k210/k210_allocateheap.c
+++ b/arch/risc-v/src/k210/k210_allocateheap.c
@@ -51,4 +51,3 @@
 void up_addregion(void)
 {
 }
-
diff --git a/arch/risc-v/src/k210/k210_irq_dispatch.c b/arch/risc-v/src/k210/k210_irq_dispatch.c
index d858ff34c0..04b16f026c 100644
--- a/arch/risc-v/src/k210/k210_irq_dispatch.c
+++ b/arch/risc-v/src/k210/k210_irq_dispatch.c
@@ -137,4 +137,3 @@ void *k210_dispatch_irq(uint64_t vector, uint64_t *regs)
 
   return regs;
 }
-
diff --git a/arch/risc-v/src/k210/k210_lowputc.h b/arch/risc-v/src/k210/k210_lowputc.h
index 3403b1ce9f..cfe4c0f96e 100644
--- a/arch/risc-v/src/k210/k210_lowputc.h
+++ b/arch/risc-v/src/k210/k210_lowputc.h
@@ -72,4 +72,3 @@ EXTERN void k210_lowsetup(void);
 
 #endif /* __ASSEMBLY__ */
 #endif /* __ARCH_RISCV_SRC_K210_K210_LOWPUTC_H */
-
diff --git a/arch/risc-v/src/k210/k210_memorymap.h b/arch/risc-v/src/k210/k210_memorymap.h
index bf9de376d8..bec13c8810 100644
--- a/arch/risc-v/src/k210/k210_memorymap.h
+++ b/arch/risc-v/src/k210/k210_memorymap.h
@@ -62,4 +62,3 @@
 #define K210_IDLESTACK_TOP   (K210_IDLESTACK1_TOP)
 
 #endif  /* _ARCH_RISCV_SRC_K210_K210_MEMORYMAP_H */
-
diff --git a/arch/risc-v/src/k210/k210_serial.c b/arch/risc-v/src/k210/k210_serial.c
index 6d05e011c2..e9eb40fa7a 100644
--- a/arch/risc-v/src/k210/k210_serial.c
+++ b/arch/risc-v/src/k210/k210_serial.c
@@ -742,4 +742,3 @@ int up_putc(int ch)
 }
 
 #endif /* USE_SERIALDRIVER */
-
diff --git a/arch/risc-v/src/k210/k210_timerisr.c b/arch/risc-v/src/k210/k210_timerisr.c
index 0c0b60dc32..7cb3933e4d 100644
--- a/arch/risc-v/src/k210/k210_timerisr.c
+++ b/arch/risc-v/src/k210/k210_timerisr.c
@@ -146,4 +146,3 @@ void riscv_timer_initialize(void)
   up_enable_irq(K210_IRQ_MTIMER);
 #endif
 }
-
diff --git a/arch/risc-v/src/k210/k210_vectors.S b/arch/risc-v/src/k210/k210_vectors.S
index e966c0bb94..e954684956 100644
--- a/arch/risc-v/src/k210/k210_vectors.S
+++ b/arch/risc-v/src/k210/k210_vectors.S
@@ -52,4 +52,3 @@ __reset_vec:
 __trap_vec:
   j    exception_common
   nop
-
diff --git a/arch/risc-v/src/nr5m100/Kconfig b/arch/risc-v/src/nr5m100/Kconfig
index c54f950c62..d0a51d21f8 100644
--- a/arch/risc-v/src/nr5m100/Kconfig
+++ b/arch/risc-v/src/nr5m100/Kconfig
@@ -118,4 +118,3 @@ config NR5_UART_TX_BUF_SIZE
 	depends on NR5_UART
 	---help---
 		Size of TX buffers for NR5 UARTs
-
diff --git a/arch/risc-v/src/nr5m100/Make.defs b/arch/risc-v/src/nr5m100/Make.defs
index 0a162f2444..aeed1ecd79 100644
--- a/arch/risc-v/src/nr5m100/Make.defs
+++ b/arch/risc-v/src/nr5m100/Make.defs
@@ -71,4 +71,3 @@ CHIP_CSRCS += nr5_timerisr.c nr5_irq.c nr5_irq_dispatch.c
 ifeq ($(CONFIG_TIMER),y)
 CHIP_CSRCS += nr5_tim_lowerhalf.c
 endif
-
diff --git a/arch/risc-v/src/nr5m100/chip.h b/arch/risc-v/src/nr5m100/chip.h
index a9d670fcc1..57f9b81c63 100644
--- a/arch/risc-v/src/nr5m100/chip.h
+++ b/arch/risc-v/src/nr5m100/chip.h
@@ -64,4 +64,3 @@
  ************************************************************************************/
 
 #endif /* __ARCH_RISCV_SRC_NR5M100_CHIP_H */
-
diff --git a/arch/risc-v/src/nr5m100/hardware/nr5m1xx_memorymap.h b/arch/risc-v/src/nr5m100/hardware/nr5m1xx_memorymap.h
index bffc90d426..c4ce320840 100644
--- a/arch/risc-v/src/nr5m100/hardware/nr5m1xx_memorymap.h
+++ b/arch/risc-v/src/nr5m100/hardware/nr5m1xx_memorymap.h
@@ -54,4 +54,3 @@
 #define NR5_EXTMEM_BASE     0x40006000      /* 0x40006000 - 0x40006fff: EXTMEM Controller*/
 
 #endif /* __ARCH_RISCV_SRC_NR5M100_HARDWARE_NR5M1XX_MEMORYMAP_H */
-
diff --git a/arch/risc-v/src/nr5m100/hardware/nr5m1xx_timer.h b/arch/risc-v/src/nr5m100/hardware/nr5m1xx_timer.h
index 5884c2c303..99cafd55f3 100644
--- a/arch/risc-v/src/nr5m100/hardware/nr5m1xx_timer.h
+++ b/arch/risc-v/src/nr5m100/hardware/nr5m1xx_timer.h
@@ -187,4 +187,3 @@
 #  define TIMERA_TAIV_TAIFG               (5 << TIMERA_TAIV_TAIV_SHIFT)
 
 #endif  /* _ARCH_RISCV_SRC_NR5M100_CHIP_NR5M1XX_TIMERA_H */
-
diff --git a/arch/risc-v/src/nr5m100/nr5.h b/arch/risc-v/src/nr5m100/nr5.h
index f6038a7620..90faecc421 100644
--- a/arch/risc-v/src/nr5m100/nr5.h
+++ b/arch/risc-v/src/nr5m100/nr5.h
@@ -65,4 +65,3 @@
 #include "nr5_uart.h"
 
 #endif /* __ARCH_RISCV_SRC_NR5_NR5_H */
-
diff --git a/arch/risc-v/src/nr5m100/nr5_allocateheap.c b/arch/risc-v/src/nr5m100/nr5_allocateheap.c
index 38fb84c162..dc1fcbc974 100644
--- a/arch/risc-v/src/nr5m100/nr5_allocateheap.c
+++ b/arch/risc-v/src/nr5m100/nr5_allocateheap.c
@@ -60,4 +60,3 @@
 void up_addregion(void)
 {
 }
-
diff --git a/arch/risc-v/src/nr5m100/nr5_arch.c b/arch/risc-v/src/nr5m100/nr5_arch.c
index 0bc09cacb5..73bc52bf3e 100644
--- a/arch/risc-v/src/nr5m100/nr5_arch.c
+++ b/arch/risc-v/src/nr5m100/nr5_arch.c
@@ -40,4 +40,3 @@ void up_puts(const char *p)
       up_lowputc(*(p++));
    up_lowputc('\n');
 }
-
diff --git a/arch/risc-v/src/nr5m100/nr5_csr.S b/arch/risc-v/src/nr5m100/nr5_csr.S
index faf5c04857..e1efa6b872 100644
--- a/arch/risc-v/src/nr5m100/nr5_csr.S
+++ b/arch/risc-v/src/nr5m100/nr5_csr.S
@@ -286,4 +286,3 @@ up_lsbenc:
  *
  * vim: noet:ts=4:sw=4
  ****************************************************************************/
-
diff --git a/arch/risc-v/src/nr5m100/nr5_csr.h b/arch/risc-v/src/nr5m100/nr5_csr.h
index ddd6e8b046..d05c3f6d86 100644
--- a/arch/risc-v/src/nr5m100/nr5_csr.h
+++ b/arch/risc-v/src/nr5m100/nr5_csr.h
@@ -91,4 +91,3 @@ void up_enableints(void);
 #endif /* __ASSEMBLY__ */
 
 #endif /* __ARCH_RISCV_SRC_NR5_NR5_CSR_H */
-
diff --git a/arch/risc-v/src/nr5m100/nr5_custom_ops.h b/arch/risc-v/src/nr5m100/nr5_custom_ops.h
index 0c600eccf5..27a4d9b519 100644
--- a/arch/risc-v/src/nr5m100/nr5_custom_ops.h
+++ b/arch/risc-v/src/nr5m100/nr5_custom_ops.h
@@ -58,4 +58,3 @@ custom0 \rd,\rs,0,2
 .macro timer rd rs
 custom0 \rd,\rs,0,5
 .endm
-
diff --git a/arch/risc-v/src/nr5m100/nr5_init.c b/arch/risc-v/src/nr5m100/nr5_init.c
index b49c32b622..e83fedd2ef 100644
--- a/arch/risc-v/src/nr5m100/nr5_init.c
+++ b/arch/risc-v/src/nr5m100/nr5_init.c
@@ -72,5 +72,3 @@ void __nr5_init(void)
 
   for (;;);
 }
-
-
diff --git a/arch/risc-v/src/nr5m100/nr5_irq_dispatch.c b/arch/risc-v/src/nr5m100/nr5_irq_dispatch.c
index 17bd74729b..ba853bf7d5 100644
--- a/arch/risc-v/src/nr5m100/nr5_irq_dispatch.c
+++ b/arch/risc-v/src/nr5m100/nr5_irq_dispatch.c
@@ -152,4 +152,3 @@ uint32_t * irq_dispatch_all(uint32_t *regs, uint32_t irqmask)
 
   return regs;
 }
-
diff --git a/arch/risc-v/src/nr5m100/nr5_lowputc.h b/arch/risc-v/src/nr5m100/nr5_lowputc.h
index 4ab7ce0837..748f84058d 100644
--- a/arch/risc-v/src/nr5m100/nr5_lowputc.h
+++ b/arch/risc-v/src/nr5m100/nr5_lowputc.h
@@ -76,4 +76,3 @@ EXTERN void nr5_lowsetup(void);
 
 #endif /* __ASSEMBLY__ */
 #endif /* __ARCH_RISCV_SRC_NR5M100_NR5_LOWPUTC_H */
-
diff --git a/arch/risc-v/src/nr5m100/nr5_memorymap.h b/arch/risc-v/src/nr5m100/nr5_memorymap.h
index b8aaeca62b..22f7ea2b9a 100644
--- a/arch/risc-v/src/nr5m100/nr5_memorymap.h
+++ b/arch/risc-v/src/nr5m100/nr5_memorymap.h
@@ -40,4 +40,3 @@
 #endif
 
 #endif  /* _ARCH_RISCV_SRC_NR5M100_NR5_MEMORYMAP_H */
-
diff --git a/arch/risc-v/src/nr5m100/nr5_serial.c b/arch/risc-v/src/nr5m100/nr5_serial.c
index ddbab210b6..93583f9ed3 100644
--- a/arch/risc-v/src/nr5m100/nr5_serial.c
+++ b/arch/risc-v/src/nr5m100/nr5_serial.c
@@ -868,4 +868,3 @@ int up_putc(int ch)
 }
 
 #endif /* USE_SERIALDRIVER */
-
diff --git a/arch/risc-v/src/nr5m100/nr5_timer.h b/arch/risc-v/src/nr5m100/nr5_timer.h
index 8bd36aec33..743de6dfb1 100644
--- a/arch/risc-v/src/nr5m100/nr5_timer.h
+++ b/arch/risc-v/src/nr5m100/nr5_timer.h
@@ -165,4 +165,3 @@ int nr5_timer_initialize(FAR const char *devpath, int timer);
 
 #endif /* __ASSEMBLY__ */
 #endif /* __ARCH_RISCV_SRC_NR5M100_NR5_TIMER_H */
-
diff --git a/arch/risc-v/src/nr5m100/nr5_timerisr.c b/arch/risc-v/src/nr5m100/nr5_timerisr.c
index 0a0529acc1..a1f31bd39a 100644
--- a/arch/risc-v/src/nr5m100/nr5_timerisr.c
+++ b/arch/risc-v/src/nr5m100/nr5_timerisr.c
@@ -157,4 +157,3 @@ void riscv_timer_initialize(void)
 
   up_enable_irq(NR5_IRQ_SYSTICK);
 }
-
diff --git a/arch/risc-v/src/nr5m100/nr5_uart.c b/arch/risc-v/src/nr5m100/nr5_uart.c
index a7a5231fd7..5cff0ee240 100644
--- a/arch/risc-v/src/nr5m100/nr5_uart.c
+++ b/arch/risc-v/src/nr5m100/nr5_uart.c
@@ -260,4 +260,3 @@ void nr5_uart_put_tx(uint8_t ch)
 
    *g_nr5_uart1.regs->ptx = ch;
 }
-
diff --git a/arch/risc-v/src/nr5m100/nr5_uart.h b/arch/risc-v/src/nr5m100/nr5_uart.h
index 7fe20348c4..a2aafd979a 100644
--- a/arch/risc-v/src/nr5m100/nr5_uart.h
+++ b/arch/risc-v/src/nr5m100/nr5_uart.h
@@ -46,4 +46,3 @@ int  nr5_uart_test_tx_empty(void);
 void nr5_uart_put_tx(uint8_t ch);
 
 #endif  /* _ARCH_RISCV_SRC_NR5_NR5_UART_H */
-
diff --git a/arch/risc-v/src/rv32im/Kconfig b/arch/risc-v/src/rv32im/Kconfig
index c07f40e838..7d7b96a522 100644
--- a/arch/risc-v/src/rv32im/Kconfig
+++ b/arch/risc-v/src/rv32im/Kconfig
@@ -59,4 +59,3 @@ config RV32IM_CUSTOM_IRQ_SUPPORT
 		Allows overriding the standard IRQ processing as described
 		in the RISC-V architecture documents.  This allows architecture
 		specific code to support non-standard IRQ processing in the core.
-
diff --git a/arch/risc-v/src/rv32im/up_copystate.c b/arch/risc-v/src/rv32im/up_copystate.c
index ca0fa98019..8e373eb477 100644
--- a/arch/risc-v/src/rv32im/up_copystate.c
+++ b/arch/risc-v/src/rv32im/up_copystate.c
@@ -83,4 +83,3 @@ void up_copystate(uint32_t *dest, uint32_t *src)
         }
     }
 }
-
diff --git a/arch/risc-v/src/rv32im/up_initialstate.c b/arch/risc-v/src/rv32im/up_initialstate.c
index c203889b16..9b0d9d54d2 100644
--- a/arch/risc-v/src/rv32im/up_initialstate.c
+++ b/arch/risc-v/src/rv32im/up_initialstate.c
@@ -118,4 +118,3 @@ void up_initial_state(struct tcb_s *tcb)
   regval = up_get_newintctx();
   xcp->regs[REG_INT_CTX] = regval;
 }
-
diff --git a/arch/risc-v/src/rv32im/up_syscall.S b/arch/risc-v/src/rv32im/up_syscall.S
index 1c110db629..f2a6833bf6 100644
--- a/arch/risc-v/src/rv32im/up_syscall.S
+++ b/arch/risc-v/src/rv32im/up_syscall.S
@@ -109,4 +109,3 @@ sys_call5:	/* a0 holds the syscall number, arguments in a1, a2, a3, a4 and a5 */
 
 	ret
 	nop
-
diff --git a/arch/risc-v/src/rv32im/up_vfork.c b/arch/risc-v/src/rv32im/up_vfork.c
index 96ac841507..8eb8e1b6f3 100644
--- a/arch/risc-v/src/rv32im/up_vfork.c
+++ b/arch/risc-v/src/rv32im/up_vfork.c
@@ -266,4 +266,3 @@ pid_t up_vfork(const struct vfork_s *context)
 }
 
 #endif /* CONFIG_ARCH_HAVE_VFORK */
-
diff --git a/arch/risc-v/src/rv64gc/Kconfig b/arch/risc-v/src/rv64gc/Kconfig
index 58e164c90a..35dfecbd08 100644
--- a/arch/risc-v/src/rv64gc/Kconfig
+++ b/arch/risc-v/src/rv64gc/Kconfig
@@ -26,4 +26,3 @@ config RV64GC_TOOLCHAIN_GNU_RVGW
 		configured for riscv64-unknown-elf.
 
 endchoice
-
diff --git a/arch/risc-v/src/rv64gc/up_copystate.c b/arch/risc-v/src/rv64gc/up_copystate.c
index 94707772d4..1ba967ca43 100644
--- a/arch/risc-v/src/rv64gc/up_copystate.c
+++ b/arch/risc-v/src/rv64gc/up_copystate.c
@@ -83,4 +83,3 @@ void up_copystate(uint64_t *dest, uint64_t *src)
         }
     }
 }
-
diff --git a/arch/risc-v/src/rv64gc/up_initialstate.c b/arch/risc-v/src/rv64gc/up_initialstate.c
index 223a1130f7..f7a06a60e8 100644
--- a/arch/risc-v/src/rv64gc/up_initialstate.c
+++ b/arch/risc-v/src/rv64gc/up_initialstate.c
@@ -118,4 +118,3 @@ void up_initial_state(struct tcb_s *tcb)
   regval = up_get_newintctx();
   xcp->regs[REG_INT_CTX] = regval;
 }
-
diff --git a/arch/risc-v/src/rv64gc/up_syscall.S b/arch/risc-v/src/rv64gc/up_syscall.S
index 84e498a7a3..c28094a4bb 100644
--- a/arch/risc-v/src/rv64gc/up_syscall.S
+++ b/arch/risc-v/src/rv64gc/up_syscall.S
@@ -109,4 +109,3 @@ sys_call5:	/* a0 holds the syscall number, arguments in a1, a2, a3, a4 and a5 */
 
 	ret
 	nop
-
diff --git a/arch/sim/include/.gitignore b/arch/sim/include/.gitignore
index e6460c4a67..af8911db06 100644
--- a/arch/sim/include/.gitignore
+++ b/arch/sim/include/.gitignore
@@ -1,3 +1,2 @@
 /board
 /chip
-
diff --git a/arch/sim/include/arch.h b/arch/sim/include/arch.h
index 83fdc737c4..b1319b8760 100644
--- a/arch/sim/include/arch.h
+++ b/arch/sim/include/arch.h
@@ -78,4 +78,3 @@ extern "C"
 #endif
 
 #endif /* __ARCH_SIM_INCLUDE_ARCH_H */
-
diff --git a/arch/sim/include/irq.h b/arch/sim/include/irq.h
index fe29b4c634..97af188742 100644
--- a/arch/sim/include/irq.h
+++ b/arch/sim/include/irq.h
@@ -135,4 +135,3 @@ extern "C"
 #endif
 
 #endif /* __ARCH_SIM_INCLUDE_IRQ_H */
-
diff --git a/arch/sim/include/sim/README.txt b/arch/sim/include/sim/README.txt
index fc4429b01c..e79ec29678 100644
--- a/arch/sim/include/sim/README.txt
+++ b/arch/sim/include/sim/README.txt
@@ -1,3 +1,2 @@
 This is just a placeholder to assure that this fake "chip" directory exits.
 The simulation, of course, has no chips.
-
diff --git a/arch/sim/include/syscall.h b/arch/sim/include/syscall.h
index 1e468e5ef0..ffb760b252 100644
--- a/arch/sim/include/syscall.h
+++ b/arch/sim/include/syscall.h
@@ -80,4 +80,3 @@ extern "C"
 #endif
 
 #endif /* __ARCH_SIM_INCLUDE_SYSCALL_H */
-
diff --git a/arch/sim/src/sim/up_critmon.c b/arch/sim/src/sim/up_critmon.c
index abaa275eb4..15671f28c6 100644
--- a/arch/sim/src/sim/up_critmon.c
+++ b/arch/sim/src/sim/up_critmon.c
@@ -48,7 +48,7 @@
 #define USE_CLOCK_GETTIME 1                        /* Better */
 
 /* From nuttx/clock.h */
- 
+
 #define NSEC_PER_SEC  1000000000
 
 /* From fixedmath.h */
diff --git a/arch/sim/src/sim/up_devconsole.c b/arch/sim/src/sim/up_devconsole.c
index 75c16c6837..cc203a8d61 100644
--- a/arch/sim/src/sim/up_devconsole.c
+++ b/arch/sim/src/sim/up_devconsole.c
@@ -176,4 +176,3 @@ int up_putc(int ch)
 
   return simuart_putc(ch);
 }
-
diff --git a/arch/sim/src/sim/up_interruptcontext.c b/arch/sim/src/sim/up_interruptcontext.c
index 639816cfd5..45a9275dd7 100644
--- a/arch/sim/src/sim/up_interruptcontext.c
+++ b/arch/sim/src/sim/up_interruptcontext.c
@@ -61,4 +61,3 @@ bool up_interrupt_context(void)
   /* The simulation is never in the interrupt state */
   return false;
 }
-
diff --git a/arch/sim/src/sim/up_netdriver.c b/arch/sim/src/sim/up_netdriver.c
index a974027c60..b7b9b8dbd2 100644
--- a/arch/sim/src/sim/up_netdriver.c
+++ b/arch/sim/src/sim/up_netdriver.c
@@ -379,4 +379,3 @@ int netdriver_setmacaddr(unsigned char *macaddr)
 }
 
 #endif /* CONFIG_NET_ETHERNET */
-
diff --git a/arch/sim/src/sim/up_setjmp32.S b/arch/sim/src/sim/up_setjmp32.S
index 55d555e1c5..c135849c12 100644
--- a/arch/sim/src/sim/up_setjmp32.S
+++ b/arch/sim/src/sim/up_setjmp32.S
@@ -119,4 +119,3 @@ SYMBOL(up_longjmp):
 #ifdef __ELF__
 	.size SYMBOL(up_longjmp), . - SYMBOL(up_longjmp)
 #endif
-
diff --git a/arch/sim/src/sim/up_setjmp64.S b/arch/sim/src/sim/up_setjmp64.S
index 0e1063ba63..7a52c11d78 100644
--- a/arch/sim/src/sim/up_setjmp64.S
+++ b/arch/sim/src/sim/up_setjmp64.S
@@ -164,4 +164,3 @@ SYMBOL(up_longjmp):
 #ifdef __ELF__
 	.size SYMBOL(up_longjmp), . - SYMBOL(up_longjmp)
 #endif
-
diff --git a/arch/sim/src/sim/up_simuart.c b/arch/sim/src/sim/up_simuart.c
index ff4bd58b23..86b9293932 100644
--- a/arch/sim/src/sim/up_simuart.c
+++ b/arch/sim/src/sim/up_simuart.c
@@ -313,4 +313,3 @@ bool simuart_checkc(void)
 {
   return g_uarthead != g_uarttail;
 }
-
diff --git a/arch/sim/src/sim/up_stackframe.c b/arch/sim/src/sim/up_stackframe.c
index 887de5c703..3f3d84f7f6 100644
--- a/arch/sim/src/sim/up_stackframe.c
+++ b/arch/sim/src/sim/up_stackframe.c
@@ -130,4 +130,3 @@ FAR void *up_stack_frame(FAR struct tcb_s *tcb, size_t frame_size)
 
   return (FAR void *)(topaddr + sizeof(uint32_t));
 }
-
diff --git a/arch/x86/include/.gitignore b/arch/x86/include/.gitignore
index 8b8a2b105c..11f2ae4e03 100644
--- a/arch/x86/include/.gitignore
+++ b/arch/x86/include/.gitignore
@@ -1,3 +1,2 @@
 /chip
 /board
-
diff --git a/arch/x86/include/README.txt b/arch/x86/include/README.txt
index 7e21e947e0..c0038632b7 100644
--- a/arch/x86/include/README.txt
+++ b/arch/x86/include/README.txt
@@ -26,6 +26,3 @@ specific directories.
 
 qemu
   This is the implementation of NuttX on the QEMU x86 simulation.
-
-
-
diff --git a/arch/x86/include/i486/arch.h b/arch/x86/include/i486/arch.h
index 44207e98d4..40fa00b1de 100644
--- a/arch/x86/include/i486/arch.h
+++ b/arch/x86/include/i486/arch.h
@@ -451,4 +451,3 @@ void idt_flush(uint32_t idt_addr);
 
 #endif /* __ASSEMBLY__ */
 #endif /* __ARCH_X86_INCLUDE_I486_ARCH_H */
-
diff --git a/arch/x86/include/i486/irq.h b/arch/x86/include/i486/irq.h
index 8c090a0c98..e5bdf9c3c1 100644
--- a/arch/x86/include/i486/irq.h
+++ b/arch/x86/include/i486/irq.h
@@ -297,4 +297,3 @@ extern "C"
 
 #endif /* __ASSEMBLY__ */
 #endif /* __ARCH_X86_INCLUDE_I486_IRQ_H */
-
diff --git a/arch/x86/include/i486/syscall.h b/arch/x86/include/i486/syscall.h
index 2c84b31e05..bcb72a722f 100644
--- a/arch/x86/include/i486/syscall.h
+++ b/arch/x86/include/i486/syscall.h
@@ -135,4 +135,3 @@ static inline uintptr_t sys_call5(unsigned int nbr, uintptr_t parm1,
 #endif
 
 #endif /* __ARCH_X86_INCLUDE_I486_SYSCALL_H */
-
diff --git a/arch/x86/include/io.h b/arch/x86/include/io.h
index 2fe29be37a..807b541697 100644
--- a/arch/x86/include/io.h
+++ b/arch/x86/include/io.h
@@ -84,4 +84,3 @@ extern "C"
 #endif
 
 #endif /* __ARCH_X86_INCLUDE_IO_H */
-
diff --git a/arch/x86/include/irq.h b/arch/x86/include/irq.h
index 7d80f8a333..8f94d89ff8 100644
--- a/arch/x86/include/irq.h
+++ b/arch/x86/include/irq.h
@@ -96,4 +96,3 @@ extern "C"
 #endif
 
 #endif /* __ARCH_X86_INCLUDE_IRQ_H */
-
diff --git a/arch/x86/include/qemu/arch.h b/arch/x86/include/qemu/arch.h
index c64baadb0b..642cba1152 100644
--- a/arch/x86/include/qemu/arch.h
+++ b/arch/x86/include/qemu/arch.h
@@ -78,4 +78,3 @@ extern "C"
 #endif
 
 #endif /* __ARCH_X86_INCLUDE_QEMU_ARCH_H */
-
diff --git a/arch/x86/include/qemu/irq.h b/arch/x86/include/qemu/irq.h
index 601aba73b1..b9c486ef6c 100644
--- a/arch/x86/include/qemu/irq.h
+++ b/arch/x86/include/qemu/irq.h
@@ -78,4 +78,3 @@ extern "C"
 #endif
 
 #endif /* __ARCH_X86_INCLUDE_QEMU_IRQ_H */
-
diff --git a/arch/x86/include/syscall.h b/arch/x86/include/syscall.h
index 88c92d02dc..4b5bc5136f 100644
--- a/arch/x86/include/syscall.h
+++ b/arch/x86/include/syscall.h
@@ -86,4 +86,3 @@ extern "C"
 #endif
 
 #endif /* __ARCH_X86_INCLUDE_SYSCALL_H */
-
diff --git a/arch/x86/src/common/up_copystate.c b/arch/x86/src/common/up_copystate.c
index a92a1456bf..3befd6a84c 100644
--- a/arch/x86/src/common/up_copystate.c
+++ b/arch/x86/src/common/up_copystate.c
@@ -79,4 +79,3 @@ void up_copystate(uint32_t *dest, uint32_t *src)
       *dest++ = *src++;
     }
 }
-
diff --git a/arch/x86/src/common/up_exit.c b/arch/x86/src/common/up_exit.c
index 80dd159897..9f730087d1 100644
--- a/arch/x86/src/common/up_exit.c
+++ b/arch/x86/src/common/up_exit.c
@@ -188,4 +188,3 @@ void _exit(int status)
 
   up_fullcontextrestore(tcb->xcp.regs);
 }
-
diff --git a/arch/x86/src/i486/up_initialstate.c b/arch/x86/src/i486/up_initialstate.c
index 5c3b3e8e75..d1c94b32d2 100644
--- a/arch/x86/src/i486/up_initialstate.c
+++ b/arch/x86/src/i486/up_initialstate.c
@@ -123,4 +123,3 @@ void up_initial_state(struct tcb_s *tcb)
   xcp->regs[REG_EFLAGS]  = X86_FLAGS_IF;
 #endif
 }
-
diff --git a/arch/x86/src/i486/up_stackframe.c b/arch/x86/src/i486/up_stackframe.c
index 62bd968a0f..b9eebd9cfd 100644
--- a/arch/x86/src/i486/up_stackframe.c
+++ b/arch/x86/src/i486/up_stackframe.c
@@ -139,4 +139,3 @@ FAR void *up_stack_frame(FAR struct tcb_s *tcb, size_t frame_size)
 
   return (FAR void *)(topaddr + sizeof(uint32_t));
 }
-
diff --git a/arch/x86/src/qemu/Make.defs b/arch/x86/src/qemu/Make.defs
index 9d2d78f3bc..f0a59da0e0 100644
--- a/arch/x86/src/qemu/Make.defs
+++ b/arch/x86/src/qemu/Make.defs
@@ -68,4 +68,3 @@ endif
 ifeq ($(CONFIG_QEMU_VGA),y)
 CHIP_CSRCS += qemu_vga.c
 endif
-
diff --git a/arch/x86/src/qemu/qemu_handlers.c b/arch/x86/src/qemu/qemu_handlers.c
index a9a8cfe88d..fb06a504cd 100644
--- a/arch/x86/src/qemu/qemu_handlers.c
+++ b/arch/x86/src/qemu/qemu_handlers.c
@@ -224,4 +224,3 @@ uint32_t *irq_handler(uint32_t *regs)
   return ret;
 #endif
 }
-
diff --git a/arch/x86/src/qemu/qemu_idle.c b/arch/x86/src/qemu/qemu_idle.c
index 56530b6476..c1c9cb896a 100644
--- a/arch/x86/src/qemu/qemu_idle.c
+++ b/arch/x86/src/qemu/qemu_idle.c
@@ -85,4 +85,3 @@ void up_idle(void)
 
 #endif
 }
-
diff --git a/arch/x86/src/qemu/qemu_lowputc.c b/arch/x86/src/qemu/qemu_lowputc.c
index 5f8ad49a07..b320ba84d6 100644
--- a/arch/x86/src/qemu/qemu_lowputc.c
+++ b/arch/x86/src/qemu/qemu_lowputc.c
@@ -101,4 +101,3 @@ void up_lowputc(char ch)
 
   outb(ch, COM1_PORT+COM_THR);
 }
-
diff --git a/arch/x86/src/qemu/qemu_lowsetup.c b/arch/x86/src/qemu/qemu_lowsetup.c
index 439f4fcd5f..6352ce567d 100644
--- a/arch/x86/src/qemu/qemu_lowsetup.c
+++ b/arch/x86/src/qemu/qemu_lowsetup.c
@@ -137,4 +137,3 @@ void up_lowsetup(void)
 
   x86_boardinitialize();
 }
-
diff --git a/arch/xtensa/include/.gitignore b/arch/xtensa/include/.gitignore
index e6460c4a67..af8911db06 100644
--- a/arch/xtensa/include/.gitignore
+++ b/arch/xtensa/include/.gitignore
@@ -1,3 +1,2 @@
 /board
 /chip
-
diff --git a/arch/xtensa/include/limits.h b/arch/xtensa/include/limits.h
index f3eb3b4795..241c5090b3 100644
--- a/arch/xtensa/include/limits.h
+++ b/arch/xtensa/include/limits.h
@@ -84,4 +84,3 @@
 #define UPTR_MAX    4294967295U
 
 #endif /* __ARCH_XTENSA_INCLUDE_LIMITS_H */
-
diff --git a/arch/xtensa/src/common/xtensa_copystate.c b/arch/xtensa/src/common/xtensa_copystate.c
index 1e8cfa8c14..0d1be32ca0 100644
--- a/arch/xtensa/src/common/xtensa_copystate.c
+++ b/arch/xtensa/src/common/xtensa_copystate.c
@@ -71,4 +71,3 @@ void xtensa_copystate(uint32_t *dest, uint32_t *src)
         }
     }
 }
-
diff --git a/arch/xtensa/src/esp32/esp32_cpuidlestack.c b/arch/xtensa/src/esp32/esp32_cpuidlestack.c
index 8239acb96d..40b763a4c7 100644
--- a/arch/xtensa/src/esp32/esp32_cpuidlestack.c
+++ b/arch/xtensa/src/esp32/esp32_cpuidlestack.c
@@ -119,4 +119,3 @@ int up_cpu_idlestack(int cpu, FAR struct tcb_s *tcb, size_t stack_size)
 }
 
 #endif /* CONFIG_SMP */
-
diff --git a/arch/xtensa/src/esp32/hardware/esp32_dport.h b/arch/xtensa/src/esp32/hardware/esp32_dport.h
index b242c476c8..5afa375da4 100644
--- a/arch/xtensa/src/esp32/hardware/esp32_dport.h
+++ b/arch/xtensa/src/esp32/hardware/esp32_dport.h
@@ -4860,4 +4860,3 @@
 #define DPORT_DPORT_DATE_VERSION 0x1605190
 
 #endif /* __ARCH_XTENSA_SRC_ESP32_HARDWARE_ESP32_DPORT_H */
-
diff --git a/arch/xtensa/src/esp32/hardware/esp32_uart.h b/arch/xtensa/src/esp32/hardware/esp32_uart.h
index e6bcfdefd8..0276371821 100644
--- a/arch/xtensa/src/esp32/hardware/esp32_uart.h
+++ b/arch/xtensa/src/esp32/hardware/esp32_uart.h
@@ -1696,4 +1696,3 @@
 #define UART_ID_S                       0
 
 #endif /* __ARCH_XTENSA_SRC_ESP32_HARDWARE_ESP32_UART_H */
-
diff --git a/arch/z16/include/arch.h b/arch/z16/include/arch.h
index 350a94b419..4b9cb7b01c 100644
--- a/arch/z16/include/arch.h
+++ b/arch/z16/include/arch.h
@@ -78,4 +78,3 @@ extern "C"
 #endif
 
 #endif /* __ARCH_Z16_INCLUDE_ARCH_H */
-
diff --git a/arch/z16/include/irq.h b/arch/z16/include/irq.h
index 5fcd165487..85e7fabfed 100644
--- a/arch/z16/include/irq.h
+++ b/arch/z16/include/irq.h
@@ -79,4 +79,3 @@ extern "C"
 #endif
 
 #endif /* __ARCH_Z16_INCLUDE_IRQ_H */
-
diff --git a/arch/z16/include/syscall.h b/arch/z16/include/syscall.h
index b686a7cc21..c91da1fd88 100644
--- a/arch/z16/include/syscall.h
+++ b/arch/z16/include/syscall.h
@@ -80,4 +80,3 @@ extern "C"
 #endif
 
 #endif /* __ARCH_Z16_INCLUDE_SYSCALL_H */
-
diff --git a/arch/z16/include/z16f/arch.h b/arch/z16/include/z16f/arch.h
index cc4819c718..7d6bdd1b1a 100644
--- a/arch/z16/include/z16f/arch.h
+++ b/arch/z16/include/z16f/arch.h
@@ -74,4 +74,3 @@ extern "C"
 #endif
 
 #endif /* __ARCH_Z16_INCLUDE_Z16F_IRQ_H */
-
diff --git a/arch/z16/include/z16f/irq.h b/arch/z16/include/z16f/irq.h
index eb136a6146..04a636f139 100644
--- a/arch/z16/include/z16f/irq.h
+++ b/arch/z16/include/z16f/irq.h
@@ -258,4 +258,3 @@ void       up_irq_restore(irqstate_t flags);
 #endif
 
 #endif /* __ARCH_Z16_INCLUDE_Z16F_IRQ_H */
-
diff --git a/arch/z16/src/common/up_copystate.c b/arch/z16/src/common/up_copystate.c
index 8ef14c7394..7243fe5ed1 100644
--- a/arch/z16/src/common/up_copystate.c
+++ b/arch/z16/src/common/up_copystate.c
@@ -61,4 +61,3 @@ void up_copystate(FAR chipreg_t *dest, FAR const chipreg_t *src)
       *dest++ = *src++;
     }
 }
-
diff --git a/arch/z16/src/common/up_exit.c b/arch/z16/src/common/up_exit.c
index 26f81c6ba4..a2d1dd752a 100644
--- a/arch/z16/src/common/up_exit.c
+++ b/arch/z16/src/common/up_exit.c
@@ -179,4 +179,3 @@ void _exit(int status)
 
   RESTORE_USERCONTEXT(tcb);
 }
-
diff --git a/arch/z16/src/common/up_idle.c b/arch/z16/src/common/up_idle.c
index 4228b20812..0cca264066 100644
--- a/arch/z16/src/common/up_idle.c
+++ b/arch/z16/src/common/up_idle.c
@@ -97,4 +97,3 @@ void up_idle(void)
   nxsched_process_timer();
 #endif
 }
-
diff --git a/arch/z16/src/common/up_mdelay.c b/arch/z16/src/common/up_mdelay.c
index b4981ac04f..56243be2d8 100644
--- a/arch/z16/src/common/up_mdelay.c
+++ b/arch/z16/src/common/up_mdelay.c
@@ -71,4 +71,3 @@ void up_mdelay(unsigned int milliseconds)
     }
 }
 #endif /* CONFIG_BOARD_LOOPSPERMSEC */
-
diff --git a/arch/z16/src/common/up_stackframe.c b/arch/z16/src/common/up_stackframe.c
index 1bed013d99..90cfc635a8 100644
--- a/arch/z16/src/common/up_stackframe.c
+++ b/arch/z16/src/common/up_stackframe.c
@@ -137,4 +137,3 @@ FAR void *up_stack_frame(FAR struct tcb_s *tcb, size_t frame_size)
 
   return (FAR void *)(topaddr + sizeof(uint32_t));
 }
-
diff --git a/arch/z16/src/common/up_udelay.c b/arch/z16/src/common/up_udelay.c
index 94a29a4fd0..a6f78092d0 100644
--- a/arch/z16/src/common/up_udelay.c
+++ b/arch/z16/src/common/up_udelay.c
@@ -130,4 +130,3 @@ void up_udelay(useconds_t microseconds)
     }
 }
 #endif /* CONFIG_BOARD_LOOPSPERMSEC */
-
diff --git a/arch/z16/src/z16f/z16f_head.S b/arch/z16/src/z16f/z16f_head.S
index 519f8a40e8..9c633f8f6a 100644
--- a/arch/z16/src/z16f/z16f_head.S
+++ b/arch/z16/src/z16f/z16f_head.S
@@ -245,7 +245,7 @@ _halt1:								/* _nx_start() should not return */
 
 _sysexc_isr:
 	pushmlo	<r0-r7>					/* Save r0-r7 on the stack */
-	
+
 	/* Calculate the value of the SP BEFORE the interrupt occurred and
 	 * push that as the saved value of r15=sp
 	 */
diff --git a/arch/z16/src/z16f/z16f_restoreusercontext.S b/arch/z16/src/z16f/z16f_restoreusercontext.S
index 8e5aca02ad..a6a91c2915 100644
--- a/arch/z16/src/z16f/z16f_restoreusercontext.S
+++ b/arch/z16/src/z16f/z16f_restoreusercontext.S
@@ -99,5 +99,3 @@ _up_restoreusercontext:
 	iret2						/* Return from interrupt */
 
 	end
-
-
diff --git a/arch/z16/src/z16f/z16f_saveusercontext.S b/arch/z16/src/z16f/z16f_saveusercontext.S
index c3b43ef52b..d18bf95aa3 100644
--- a/arch/z16/src/z16f/z16f_saveusercontext.S
+++ b/arch/z16/src/z16f/z16f_saveusercontext.S
@@ -76,7 +76,7 @@
 
 _up_saveusercontext:
 	/* Save the flags (needed to restore the interrupt state) */
-	
+
 	ld.ub	r3, Z16F_CNTRL_FLAGS	/* Fetch the flags register (zero padded) */
 	ld.w	2*REG_FLAGS(r1), r3	/* Save 16-bit value */
 
diff --git a/arch/z80/include/.gitignore b/arch/z80/include/.gitignore
index e6460c4a67..af8911db06 100644
--- a/arch/z80/include/.gitignore
+++ b/arch/z80/include/.gitignore
@@ -1,3 +1,2 @@
 /board
 /chip
-
diff --git a/arch/z80/include/arch.h b/arch/z80/include/arch.h
index a99247972c..555169865c 100644
--- a/arch/z80/include/arch.h
+++ b/arch/z80/include/arch.h
@@ -67,4 +67,3 @@
  ****************************************************************************/
 
 #endif /* __ARCH_Z80_INCLUDE_ARCH_H */
-
diff --git a/arch/z80/include/ez80/arch.h b/arch/z80/include/ez80/arch.h
index b8e3eecc8a..61ac8b6268 100644
--- a/arch/z80/include/ez80/arch.h
+++ b/arch/z80/include/ez80/arch.h
@@ -74,4 +74,3 @@ extern "C"
 #endif
 
 #endif /* __ARCH_Z80_INCLUDE_EZ80_ARCH_H */
-
diff --git a/arch/z80/include/ez80/irq.h b/arch/z80/include/ez80/irq.h
index 7e77fbb7db..08d8bfac55 100644
--- a/arch/z80/include/ez80/irq.h
+++ b/arch/z80/include/ez80/irq.h
@@ -273,4 +273,3 @@ irqstate_t up_irq_enable(void);
 #endif
 
 #endif /* __ARCH_Z80_INCLUDE_EZ80_IRQ_H */
-
diff --git a/arch/z80/include/syscall.h b/arch/z80/include/syscall.h
index 20a055f701..dca39d39f2 100644
--- a/arch/z80/include/syscall.h
+++ b/arch/z80/include/syscall.h
@@ -65,4 +65,3 @@
  ****************************************************************************/
 
 #endif /* __ARCH_Z80_INCLUDE_SYSCALL_H */
-
diff --git a/arch/z80/include/z180/arch.h b/arch/z80/include/z180/arch.h
index 4dc90f629a..ce1bf7b7a9 100644
--- a/arch/z80/include/z180/arch.h
+++ b/arch/z80/include/z180/arch.h
@@ -97,4 +97,3 @@ extern "C"
 #endif
 
 #endif /* __ARCH_Z80_INCLUDE_Z180_ARCH_H */
-
diff --git a/arch/z80/include/z180/irq.h b/arch/z80/include/z180/irq.h
index 910bcb3c98..b813de0d04 100644
--- a/arch/z80/include/z180/irq.h
+++ b/arch/z80/include/z180/irq.h
@@ -246,4 +246,3 @@ irqstate_t up_irq_enable(void);
 #endif
 
 #endif /* __ARCH_Z80_INCLUDE_Z180_IRQ_H */
-
diff --git a/arch/z80/include/z8/arch.h b/arch/z80/include/z8/arch.h
index 3d03dea67b..a186b03581 100644
--- a/arch/z80/include/z8/arch.h
+++ b/arch/z80/include/z8/arch.h
@@ -74,4 +74,3 @@ extern "C"
 #endif
 
 #endif /* __ARCH_Z80_INCLUDE_Z8_ARCH_H */
-
diff --git a/arch/z80/include/z8/irq.h b/arch/z80/include/z8/irq.h
index ca95ec68a6..6e879fe124 100644
--- a/arch/z80/include/z8/irq.h
+++ b/arch/z80/include/z8/irq.h
@@ -379,4 +379,3 @@ irqstate_t up_irq_enable(void);
 #endif
 
 #endif /* __ARCH_Z80_INCLUDE_Z8_IRQ_H */
-
diff --git a/arch/z80/include/z80/arch.h b/arch/z80/include/z80/arch.h
index b3aebc5ca0..1040cfb09a 100644
--- a/arch/z80/include/z80/arch.h
+++ b/arch/z80/include/z80/arch.h
@@ -74,4 +74,3 @@ extern "C"
 #endif
 
 #endif /* __ARCH_Z80_ARCH_H */
-
diff --git a/arch/z80/include/z80/irq.h b/arch/z80/include/z80/irq.h
index eca37affc2..9ea2fcd586 100644
--- a/arch/z80/include/z80/irq.h
+++ b/arch/z80/include/z80/irq.h
@@ -163,4 +163,3 @@ irqstate_t up_irq_enable(void);
 #endif
 
 #endif /* __ARCH_Z80_INCLUDE_Z80_IRQ_H */
-
diff --git a/arch/z80/src/Makefile.sdccl b/arch/z80/src/Makefile.sdccl
index ba5f7a1c0b..63f604d3d3 100644
--- a/arch/z80/src/Makefile.sdccl
+++ b/arch/z80/src/Makefile.sdccl
@@ -234,4 +234,3 @@ distclean: clean
 	$(call DELFILE, .depend)
 
 -include Make.dep
-
diff --git a/arch/z80/src/common/up_exit.c b/arch/z80/src/common/up_exit.c
index d56291bf40..f457705456 100644
--- a/arch/z80/src/common/up_exit.c
+++ b/arch/z80/src/common/up_exit.c
@@ -191,4 +191,3 @@ void _exit(int status)
 
   RESTORE_USERCONTEXT(tcb);
 }
-
diff --git a/arch/z80/src/common/up_idle.c b/arch/z80/src/common/up_idle.c
index df11aba5d0..9bdee39928 100644
--- a/arch/z80/src/common/up_idle.c
+++ b/arch/z80/src/common/up_idle.c
@@ -105,4 +105,3 @@ void up_idle(void)
   nxsched_process_timer();
 #endif
 }
-
diff --git a/arch/z80/src/common/up_mdelay.c b/arch/z80/src/common/up_mdelay.c
index 24566b93e3..33f8c10b66 100644
--- a/arch/z80/src/common/up_mdelay.c
+++ b/arch/z80/src/common/up_mdelay.c
@@ -91,4 +91,3 @@ void up_mdelay(unsigned int milliseconds)
     }
 }
 #endif /* CONFIG_BOARD_LOOPSPERMSEC */
-
diff --git a/arch/z80/src/common/up_stackframe.c b/arch/z80/src/common/up_stackframe.c
index 738fc87e36..1c66ed9ace 100644
--- a/arch/z80/src/common/up_stackframe.c
+++ b/arch/z80/src/common/up_stackframe.c
@@ -128,4 +128,3 @@ FAR void *up_stack_frame(FAR struct tcb_s *tcb, size_t frame_size)
 
   return (FAR void *)(topaddr + sizeof(uint32_t));
 }
-
diff --git a/arch/z80/src/common/up_udelay.c b/arch/z80/src/common/up_udelay.c
index 98aca45898..115a209cf4 100644
--- a/arch/z80/src/common/up_udelay.c
+++ b/arch/z80/src/common/up_udelay.c
@@ -130,4 +130,3 @@ void up_udelay(useconds_t microseconds)
     }
 }
 #endif /* CONFIG_BOARD_LOOPSPERMSEC */
-
diff --git a/arch/z80/src/ez80/ez80_copystate.c b/arch/z80/src/ez80/ez80_copystate.c
index 00fc7b9338..8948e706c7 100644
--- a/arch/z80/src/ez80/ez80_copystate.c
+++ b/arch/z80/src/ez80/ez80_copystate.c
@@ -74,4 +74,3 @@ void ez80_copystate(chipreg_t *dest, const chipreg_t *src)
       *dest++ = *src++;
     }
 }
-
diff --git a/arch/z80/src/ez80/ez80_emac.c b/arch/z80/src/ez80/ez80_emac.c
index ca6ad6f0a5..7b0576424d 100644
--- a/arch/z80/src/ez80/ez80_emac.c
+++ b/arch/z80/src/ez80/ez80_emac.c
@@ -2674,4 +2674,3 @@ void up_netuninitialize(void)
 }
 
 #endif /* CONFIG_NET && CONFIG_EZ80_EMAC */
-
diff --git a/arch/z80/src/ez80/ez80_restorecontext.asm b/arch/z80/src/ez80/ez80_restorecontext.asm
index c90ce808fa..c29e70045c 100644
--- a/arch/z80/src/ez80/ez80_restorecontext.asm
+++ b/arch/z80/src/ez80/ez80_restorecontext.asm
@@ -107,4 +107,3 @@ noinrestore:
 	ex	af, af'			; Restore AF
 	ret				; Return with interrupts disabled
 	end
-
diff --git a/arch/z80/src/ez80/ez80_saveusercontext.asm b/arch/z80/src/ez80/ez80_saveusercontext.asm
index 429dc3dd57..27318032ca 100644
--- a/arch/z80/src/ez80/ez80_saveusercontext.asm
+++ b/arch/z80/src/ez80/ez80_saveusercontext.asm
@@ -169,4 +169,3 @@ _ez80_saveusercontext:
 	pop	ix
 	ret
 	end
-	
diff --git a/arch/z80/src/ez80/ez80f91_init.asm b/arch/z80/src/ez80/ez80f91_init.asm
index d67cd4c974..4908714253 100644
--- a/arch/z80/src/ez80/ez80f91_init.asm
+++ b/arch/z80/src/ez80/ez80f91_init.asm
@@ -218,7 +218,7 @@ _ez80_initsysclk:
 	out0	(PLL_DIV_L), a
 	ld		a, (_ez80_oscfreqmult+1)
 	out0	(PLL_DIV_H), a
-	
+
 	; Set charge pump and lock criteria
 
 	ld		a, __PLL_CTL0_INIT_PARAM
diff --git a/arch/z80/src/z180/README.txt b/arch/z80/src/z180/README.txt
index b82e9093dc..a5ffecd29a 100644
--- a/arch/z80/src/z180/README.txt
+++ b/arch/z80/src/z180/README.txt
@@ -24,7 +24,7 @@ z180_rom.asm
 
 	A board specific version in the boards/z80/z180/<board-name>/src
 	directory can be used by:
-	
+
 	1. Define CONFIG_ARCH_HAVEHEAD
 	2. Add the board-specific head file, say <filename>.asm, to
 	   boards/z80/z180/<board-name>/src
@@ -46,4 +46,3 @@ z180_saveusercontext.asm, switch
 
 z180_schedulesigaction.c and  z180_sigdeliver.c
 	These files implement Z180 signal handling.
-
diff --git a/arch/z80/src/z180/Toolchain.defs b/arch/z80/src/z180/Toolchain.defs
index 123724ef1d..ee5a57f8e4 100644
--- a/arch/z80/src/z180/Toolchain.defs
+++ b/arch/z80/src/z180/Toolchain.defs
@@ -71,5 +71,3 @@ ifeq ($(CONFIG_AVR_TOOLCHAIN),SDCCWIN32)
     WINTOOL = y
   endif
 endif
-
-
diff --git a/arch/z80/src/z180/z180_copystate.c b/arch/z80/src/z180/z180_copystate.c
index bcb387573f..e71491088f 100644
--- a/arch/z80/src/z180/z180_copystate.c
+++ b/arch/z80/src/z180/z180_copystate.c
@@ -74,4 +74,3 @@ void z180_copystate(FAR chipreg_t *dest, FAR const chipreg_t *src)
       *dest++ = *src++;
     }
 }
-
diff --git a/arch/z80/src/z180/z180_head.asm b/arch/z80/src/z180/z180_head.asm
index f28906eaa2..1276fd2f82 100644
--- a/arch/z80/src/z180/z180_head.asm
+++ b/arch/z80/src/z180/z180_head.asm
@@ -209,4 +209,3 @@ gsinit_next:
 	.area	_CODE
 _g_heapbase::
 	.dw		#s__HEAP
-
diff --git a/arch/z80/src/z180/z180_rom.asm b/arch/z80/src/z180/z180_rom.asm
index 2906294685..c2d4fb6406 100644
--- a/arch/z80/src/z180/z180_rom.asm
+++ b/arch/z80/src/z180/z180_rom.asm
@@ -197,4 +197,3 @@ gsinit_next:
 	.area	_CODE
 _g_heapbase::
 	.dw		#s__HEAP
-
diff --git a/arch/z80/src/z8/z8_saveirqcontext.c b/arch/z80/src/z8/z8_saveirqcontext.c
index 01e407d9fe..c0f275335e 100644
--- a/arch/z80/src/z8/z8_saveirqcontext.c
+++ b/arch/z80/src/z8/z8_saveirqcontext.c
@@ -130,4 +130,3 @@ void z8_saveirqcontext(FAR chipreg_t *regs)
       g_z8irqstate.regs  = regs;
     }
 }
-
diff --git a/arch/z80/src/z8/z8_saveusercontext.S b/arch/z80/src/z8/z8_saveusercontext.S
index 5dc9509387..f4be574722 100644
--- a/arch/z80/src/z8/z8_saveusercontext.S
+++ b/arch/z80/src/z8/z8_saveusercontext.S
@@ -162,4 +162,3 @@ _z8_noenable:
 	ret
 
 	end
-
diff --git a/arch/z80/src/z8/z8_timerisr.c b/arch/z80/src/z8/z8_timerisr.c
index a24c7c074e..661291e52d 100644
--- a/arch/z80/src/z8/z8_timerisr.c
+++ b/arch/z80/src/z8/z8_timerisr.c
@@ -140,4 +140,3 @@ void z80_timer_initialize(void)
   irq_attach(Z8_IRQ_SYSTIMER, (xcpt_t)z8_timerisr, NULL);
   up_enable_irq(Z8_IRQ_SYSTIMER);
 }
-
diff --git a/arch/z80/src/z8/z8_vector.S b/arch/z80/src/z8/z8_vector.S
index 5ece90abc3..0b97533e35 100644
--- a/arch/z80/src/z8/z8_vector.S
+++ b/arch/z80/src/z8/z8_vector.S
@@ -755,7 +755,7 @@ _z8_common_handler:
 	/* Pass the IRQ number */
 
 	push	r0
-	
+
 	/* Process the interrupt */
 
 	call	_z80_doirq		/* Call the IRQ handler */
@@ -782,7 +782,7 @@ _z8_common_handler:
 _z8_switch:
 
 	/* Destroy the interrupt return information on the stack */
-	
+
 	pop	r4			/* Destroy saved RP */
 	pop	r4			/* Destroy saved flags */
 	pop	r4			/* Destroy saved return address */
@@ -821,7 +821,7 @@ _z8_restore:
 
 	ldx	r3, XCPT_FLAGS_OFFS(rr0)
 	ldx	r4, XCPT_RP_OFFS(rr0)
-	
+
 	/* Determine whether interrupts must be enabled on return.  This
 	 * would be nicer to do below, but later we will need to preserve
 	 * the condition codes in the flags.
diff --git a/arch/z80/src/z80/.gitignore b/arch/z80/src/z80/.gitignore
index 33ac7f8435..a3b5794c7d 100644
--- a/arch/z80/src/z80/.gitignore
+++ b/arch/z80/src/z80/.gitignore
@@ -1,3 +1,2 @@
 *.lst
 *.sym
-
diff --git a/arch/z80/src/z80/Toolchain.defs b/arch/z80/src/z80/Toolchain.defs
index 02c293da24..005fd00cf3 100644
--- a/arch/z80/src/z80/Toolchain.defs
+++ b/arch/z80/src/z80/Toolchain.defs
@@ -71,5 +71,3 @@ ifeq ($(CONFIG_AVR_TOOLCHAIN),SDCCWIN32)
     WINTOOL = y
   endif
 endif
-
-
diff --git a/arch/z80/src/z80/z80_copystate.c b/arch/z80/src/z80/z80_copystate.c
index 2609d34bd2..ab7bb8cfeb 100644
--- a/arch/z80/src/z80/z80_copystate.c
+++ b/arch/z80/src/z80/z80_copystate.c
@@ -74,4 +74,3 @@ void z80_copystate(FAR chipreg_t *dest, FAR const chipreg_t *src)
       *dest++ = *src++;
     }
 }
-
diff --git a/arch/z80/src/z80/z80_head.asm b/arch/z80/src/z80/z80_head.asm
index 511beee210..6cc3bf7373 100644
--- a/arch/z80/src/z80/z80_head.asm
+++ b/arch/z80/src/z80/z80_head.asm
@@ -301,4 +301,3 @@ gsinit_next:
 	.area	_CODE
 _g_heapbase::
 	.dw		#s__HEAP
-
diff --git a/arch/z80/src/z80/z80_rom.asm b/arch/z80/src/z80/z80_rom.asm
index 60a89cca98..34e8f82bef 100644
--- a/arch/z80/src/z80/z80_rom.asm
+++ b/arch/z80/src/z80/z80_rom.asm
@@ -294,4 +294,3 @@ gsinit_next:
 	.area	_CODE
 _g_heapbase::
 	.dw		#s__HEAP
-
diff --git a/audio/README.txt b/audio/README.txt
index f924269e2c..747ca18b97 100644
--- a/audio/README.txt
+++ b/audio/README.txt
@@ -127,4 +127,3 @@ Related Subdirectories
 
 drivers/audio           -- Contains the lower-level device specific drivers.
 apps/system/nxplayer    -- User-mode audio subsystem interface library.
-
diff --git a/audio/pcm_decode.c b/audio/pcm_decode.c
index 60896be33c..d8df0ee6a4 100644
--- a/audio/pcm_decode.c
+++ b/audio/pcm_decode.c
@@ -1439,4 +1439,3 @@ FAR struct audio_lowerhalf_s *
 }
 
 #endif /* CONFIG_AUDIO && CONFIG_AUDIO_FORMAT_PCM */
-
diff --git a/binfmt/binfmt.h b/binfmt/binfmt.h
index be8c1567f1..ab04398d47 100644
--- a/binfmt/binfmt.h
+++ b/binfmt/binfmt.h
@@ -171,4 +171,3 @@ void builtin_uninitialize(void);
 #endif
 
 #endif /* __BINFMT_BINFMT_H */
-
diff --git a/binfmt/binfmt_register.c b/binfmt/binfmt_register.c
index 343217aabc..437cd45ccc 100644
--- a/binfmt/binfmt_register.c
+++ b/binfmt/binfmt_register.c
@@ -86,4 +86,3 @@ int register_binfmt(FAR struct binfmt_s *binfmt)
 }
 
 #endif /* CONFIG_BINFMT_DISABLE */
-
diff --git a/binfmt/binfmt_unloadmodule.c b/binfmt/binfmt_unloadmodule.c
index 360deedf14..775d17fd77 100644
--- a/binfmt/binfmt_unloadmodule.c
+++ b/binfmt/binfmt_unloadmodule.c
@@ -198,4 +198,3 @@ int unload_module(FAR struct binary_s *binp)
 }
 
 #endif /* CONFIG_BINFMT_DISABLE */
-
diff --git a/binfmt/binfmt_unregister.c b/binfmt/binfmt_unregister.c
index 16cd1237b6..fd6fe0d628 100644
--- a/binfmt/binfmt_unregister.c
+++ b/binfmt/binfmt_unregister.c
@@ -119,4 +119,3 @@ int unregister_binfmt(FAR struct binfmt_s *binfmt)
 }
 
 #endif /* CONFIG_BINFMT_DISABLE */
-
diff --git a/binfmt/builtin.c b/binfmt/builtin.c
index c238dc4212..a3356d2446 100644
--- a/binfmt/builtin.c
+++ b/binfmt/builtin.c
@@ -192,4 +192,3 @@ void builtin_uninitialize(void)
 }
 
 #endif /* HAVE_BUILTIN_CONTEXT */
-
diff --git a/binfmt/elf.c b/binfmt/elf.c
index d9145db32e..7177d27fd4 100644
--- a/binfmt/elf.c
+++ b/binfmt/elf.c
@@ -358,4 +358,3 @@ void elf_uninitialize(void)
 }
 
 #endif /* CONFIG_ELF */
-
diff --git a/binfmt/libelf/libelf_init.c b/binfmt/libelf/libelf_init.c
index 16c80dd7d8..287aa81da6 100644
--- a/binfmt/libelf/libelf_init.c
+++ b/binfmt/libelf/libelf_init.c
@@ -203,4 +203,3 @@ int elf_init(FAR const char *filename, FAR struct elf_loadinfo_s *loadinfo)
 
   return OK;
 }
-
diff --git a/binfmt/libelf/libelf_iobuffer.c b/binfmt/libelf/libelf_iobuffer.c
index ff000193b6..d78215ba43 100644
--- a/binfmt/libelf/libelf_iobuffer.c
+++ b/binfmt/libelf/libelf_iobuffer.c
@@ -133,4 +133,3 @@ int elf_reallocbuffer(FAR struct elf_loadinfo_s *loadinfo, size_t increment)
   loadinfo->buflen   = newsize;
   return OK;
 }
-
diff --git a/binfmt/libelf/libelf_load.c b/binfmt/libelf/libelf_load.c
index 6460c79fe8..3deff9d616 100644
--- a/binfmt/libelf/libelf_load.c
+++ b/binfmt/libelf/libelf_load.c
@@ -377,4 +377,3 @@ errout_with_buffers:
   elf_unload(loadinfo);
   return ret;
 }
-
diff --git a/binfmt/libelf/libelf_unload.c b/binfmt/libelf/libelf_unload.c
index dbe3e1bac9..65556bb4f2 100644
--- a/binfmt/libelf/libelf_unload.c
+++ b/binfmt/libelf/libelf_unload.c
@@ -113,4 +113,3 @@ int elf_unload(struct elf_loadinfo_s *loadinfo)
 
   return OK;
 }
-
diff --git a/binfmt/libelf/libelf_verify.c b/binfmt/libelf/libelf_verify.c
index fe4723f2e3..d06b6f8abc 100644
--- a/binfmt/libelf/libelf_verify.c
+++ b/binfmt/libelf/libelf_verify.c
@@ -121,4 +121,3 @@ int elf_verifyheader(FAR const Elf32_Ehdr *ehdr)
 
   return OK;
 }
-
diff --git a/binfmt/libnxflat/libnxflat_bind.c b/binfmt/libnxflat/libnxflat_bind.c
index d22b4194cc..1ac9f4d9b0 100644
--- a/binfmt/libnxflat/libnxflat_bind.c
+++ b/binfmt/libnxflat/libnxflat_bind.c
@@ -619,4 +619,3 @@ int nxflat_bind(FAR struct nxflat_loadinfo_s *loadinfo,
 
   return ret;
 }
-
diff --git a/binfmt/libnxflat/libnxflat_init.c b/binfmt/libnxflat/libnxflat_init.c
index 25df94a457..a024032bf6 100644
--- a/binfmt/libnxflat/libnxflat_init.c
+++ b/binfmt/libnxflat/libnxflat_init.c
@@ -188,4 +188,3 @@ int nxflat_init(const char *filename, struct nxflat_loadinfo_s *loadinfo)
 
   return 0;
 }
-
diff --git a/binfmt/libnxflat/libnxflat_load.c b/binfmt/libnxflat/libnxflat_load.c
index 44ec2c7ae7..30c63af582 100644
--- a/binfmt/libnxflat/libnxflat_load.c
+++ b/binfmt/libnxflat/libnxflat_load.c
@@ -220,4 +220,3 @@ errout:
   nxflat_unload(loadinfo);
   return ret;
 }
-
diff --git a/binfmt/libnxflat/libnxflat_uninit.c b/binfmt/libnxflat/libnxflat_uninit.c
index a5ac7a1dd3..32f0c7308e 100644
--- a/binfmt/libnxflat/libnxflat_uninit.c
+++ b/binfmt/libnxflat/libnxflat_uninit.c
@@ -83,4 +83,3 @@ int nxflat_uninit(struct nxflat_loadinfo_s *loadinfo)
 
   return OK;
 }
-
diff --git a/binfmt/nxflat.c b/binfmt/nxflat.c
index 9887bee953..5db8369f73 100644
--- a/binfmt/nxflat.c
+++ b/binfmt/nxflat.c
@@ -322,4 +322,3 @@ void nxflat_uninitialize(void)
 }
 
 #endif /* CONFIG_NXFLAT */
-
diff --git a/boards/arm/a1x/pcduino-a10/scripts/Make.defs b/boards/arm/a1x/pcduino-a10/scripts/Make.defs
index 403f22f552..e1baba1937 100644
--- a/boards/arm/a1x/pcduino-a10/scripts/Make.defs
+++ b/boards/arm/a1x/pcduino-a10/scripts/Make.defs
@@ -119,4 +119,3 @@ else
   # Linux/Cygwin-native host tools
   MKDEP = $(TOPDIR)$(DELIM)tools$(DELIM)mkdeps$(HOSTEXEEXT)
 endif
-
diff --git a/boards/arm/a1x/pcduino-a10/src/a1x_bringup.c b/boards/arm/a1x/pcduino-a10/src/a1x_bringup.c
index ebffcd5f8e..13295013a1 100644
--- a/boards/arm/a1x/pcduino-a10/src/a1x_bringup.c
+++ b/boards/arm/a1x/pcduino-a10/src/a1x_bringup.c
@@ -109,4 +109,3 @@ int a1x_bringup(void)
 
   return ret;
 }
-
diff --git a/boards/arm/am335x/beaglebone-black/scripts/Make.defs b/boards/arm/am335x/beaglebone-black/scripts/Make.defs
index 618b43f764..e8d1519366 100644
--- a/boards/arm/am335x/beaglebone-black/scripts/Make.defs
+++ b/boards/arm/am335x/beaglebone-black/scripts/Make.defs
@@ -128,4 +128,3 @@ HOSTCC = gcc
 HOSTINCLUDES = -I.
 HOSTCFLAGS = -Wall -Wstrict-prototypes -Wshadow -Wundef -g -pipe
 HOSTLDFLAGS =
-
diff --git a/boards/arm/cxd56xx/common/.gitignore b/boards/arm/cxd56xx/common/.gitignore
index 12c22f4f28..6f67855519 100644
--- a/boards/arm/cxd56xx/common/.gitignore
+++ b/boards/arm/cxd56xx/common/.gitignore
@@ -1,2 +1 @@
 /board
-
diff --git a/boards/arm/cxd56xx/common/src/cxd56_netinit.c b/boards/arm/cxd56xx/common/src/cxd56_netinit.c
index adec9f6599..dccd67ab70 100644
--- a/boards/arm/cxd56xx/common/src/cxd56_netinit.c
+++ b/boards/arm/cxd56xx/common/src/cxd56_netinit.c
@@ -52,4 +52,3 @@ void up_netinitialize(void)
 {
 }
 #endif
-
diff --git a/boards/arm/dm320/ntosd-dm320/README.txt b/boards/arm/dm320/ntosd-dm320/README.txt
index 7a1f993082..dad9f5554f 100644
--- a/boards/arm/dm320/ntosd-dm320/README.txt
+++ b/boards/arm/dm320/ntosd-dm320/README.txt
@@ -400,5 +400,3 @@ Issues
                with an LCD.
   Status:      Open
   Priority:    Medium (high if you need to use the framebuffer driver)
-
-
diff --git a/boards/arm/dm320/ntosd-dm320/doc/README.txt b/boards/arm/dm320/ntosd-dm320/doc/README.txt
index c85854103d..3e682ad8df 100644
--- a/boards/arm/dm320/ntosd-dm320/doc/README.txt
+++ b/boards/arm/dm320/ntosd-dm320/doc/README.txt
@@ -73,4 +73,3 @@ General instructions.
 
 What will run is an a simple OS test that will verify many of the
 features of the OS.  (this is nutts/examples/ostest).
-
diff --git a/boards/arm/dm320/ntosd-dm320/scripts/Make.defs b/boards/arm/dm320/ntosd-dm320/scripts/Make.defs
index 3361c08af6..653b542803 100644
--- a/boards/arm/dm320/ntosd-dm320/scripts/Make.defs
+++ b/boards/arm/dm320/ntosd-dm320/scripts/Make.defs
@@ -128,4 +128,3 @@ HOSTCC = gcc
 HOSTINCLUDES = -I.
 HOSTCFLAGS = -Wall -Wstrict-prototypes -Wshadow -Wundef -g -pipe
 HOSTLDFLAGS =
-
diff --git a/boards/arm/imxrt/imxrt1020-evk/README.txt b/boards/arm/imxrt/imxrt1020-evk/README.txt
index fdd0c2ba15..df3277180c 100644
--- a/boards/arm/imxrt/imxrt1020-evk/README.txt
+++ b/boards/arm/imxrt/imxrt1020-evk/README.txt
@@ -34,7 +34,7 @@ Serial Console
 
   The EVK default console is on LPUART1, which is multiplexed onto
   the debug port (either OpenSDA or SEGGER JLink).
-  
+
   It runs at 115200,n,8,1.
 
 LEDs and Buttons
@@ -79,7 +79,7 @@ Configurations
 
   Information Common to All Configurations
   ----------------------------------------
-  
+
   Each i.MX RT 1020 configuration is maintained in a sub-directory and
   can be selected as follow:
 
@@ -113,7 +113,7 @@ Configurations
 
   2. Unless stated otherwise, all configurations generate console
      output on UART1 (i.e. the multiplexed OpenSDA/JLink serial port).
-     
+
   3. All of these configurations are set up to build under Windows using the
      "GNU Tools for ARM Embedded Processors" that is maintained by ARM
      (unless stated otherwise in the description of the configuration).
diff --git a/boards/arm/imxrt/imxrt1020-evk/scripts/flash-ocram.ld b/boards/arm/imxrt/imxrt1020-evk/scripts/flash-ocram.ld
index e45fe61212..c7a8a2e064 100644
--- a/boards/arm/imxrt/imxrt1020-evk/scripts/flash-ocram.ld
+++ b/boards/arm/imxrt/imxrt1020-evk/scripts/flash-ocram.ld
@@ -153,4 +153,3 @@ SECTIONS
 	.debug_pubnames 0 : { *(.debug_pubnames) }
 	.debug_aranges 0 : { *(.debug_aranges) }
 }
-
diff --git a/boards/arm/imxrt/imxrt1020-evk/src/Makefile b/boards/arm/imxrt/imxrt1020-evk/src/Makefile
index e2433eac0b..b0baecc317 100644
--- a/boards/arm/imxrt/imxrt1020-evk/src/Makefile
+++ b/boards/arm/imxrt/imxrt1020-evk/src/Makefile
@@ -36,7 +36,7 @@
 -include $(TOPDIR)/Make.defs
 
 ASRCS =
-CSRCS = imxrt_flexspi_nor_flash.c imxrt_boot.c imxrt_flexspi_nor_boot.c 
+CSRCS = imxrt_flexspi_nor_flash.c imxrt_boot.c imxrt_flexspi_nor_boot.c
 ifeq ($(CONFIG_IMXRT_SDRAMC),y)
 CSRCS += imxrt_sdram.c
 endif
diff --git a/boards/arm/imxrt/imxrt1020-evk/src/imxrt_bringup.c b/boards/arm/imxrt/imxrt1020-evk/src/imxrt_bringup.c
index 42056467fe..b96a9d50e5 100644
--- a/boards/arm/imxrt/imxrt1020-evk/src/imxrt_bringup.c
+++ b/boards/arm/imxrt/imxrt1020-evk/src/imxrt_bringup.c
@@ -246,4 +246,3 @@ int imxrt_bringup(void)
 
   return ret;
 }
-
diff --git a/boards/arm/imxrt/imxrt1050-evk/configs/knsh/Make.defs b/boards/arm/imxrt/imxrt1050-evk/configs/knsh/Make.defs
index 573824730f..101525747f 100644
--- a/boards/arm/imxrt/imxrt1050-evk/configs/knsh/Make.defs
+++ b/boards/arm/imxrt/imxrt1050-evk/configs/knsh/Make.defs
@@ -125,4 +125,3 @@ HOSTCC = gcc
 HOSTINCLUDES = -I.
 HOSTCFLAGS = -Wall -Wstrict-prototypes -Wshadow -Wundef -g -pipe
 HOSTLDFLAGS =
-
diff --git a/boards/arm/imxrt/imxrt1050-evk/configs/libcxxtest/Make.defs b/boards/arm/imxrt/imxrt1050-evk/configs/libcxxtest/Make.defs
index c9fdb8a7a0..9a0ce7a60b 100644
--- a/boards/arm/imxrt/imxrt1050-evk/configs/libcxxtest/Make.defs
+++ b/boards/arm/imxrt/imxrt1050-evk/configs/libcxxtest/Make.defs
@@ -141,4 +141,3 @@ HOSTCC = gcc
 HOSTINCLUDES = -I.
 HOSTCFLAGS = -Wall -Wstrict-prototypes -Wshadow -Wundef -g -pipe
 HOSTLDFLAGS =
-
diff --git a/boards/arm/imxrt/imxrt1050-evk/kernel/.gitignore b/boards/arm/imxrt/imxrt1050-evk/kernel/.gitignore
index 7bacd5aee3..324b8d53ba 100644
--- a/boards/arm/imxrt/imxrt1050-evk/kernel/.gitignore
+++ b/boards/arm/imxrt/imxrt1050-evk/kernel/.gitignore
@@ -1,2 +1 @@
 /nuttx_user.elf
-
diff --git a/boards/arm/imxrt/imxrt1050-evk/scripts/flash-ocram.ld b/boards/arm/imxrt/imxrt1050-evk/scripts/flash-ocram.ld
index b4c184b0dd..cc31c9632a 100644
--- a/boards/arm/imxrt/imxrt1050-evk/scripts/flash-ocram.ld
+++ b/boards/arm/imxrt/imxrt1050-evk/scripts/flash-ocram.ld
@@ -153,4 +153,3 @@ SECTIONS
     .debug_pubnames 0 : { *(.debug_pubnames) }
     .debug_aranges 0 : { *(.debug_aranges) }
 }
-
diff --git a/boards/arm/imxrt/imxrt1050-evk/src/imxrt_flexspi_nor_boot.c b/boards/arm/imxrt/imxrt1050-evk/src/imxrt_flexspi_nor_boot.c
index 62697e07da..9d9a25fea9 100644
--- a/boards/arm/imxrt/imxrt1050-evk/src/imxrt_flexspi_nor_boot.c
+++ b/boards/arm/imxrt/imxrt1050-evk/src/imxrt_flexspi_nor_boot.c
@@ -64,4 +64,3 @@ const struct boot_data_s g_boot_data =
   PLUGIN_FLAG,                        /* Plugin flag */
   0xffffffff                          /* empty - extra data word */
 };
-
diff --git a/boards/arm/imxrt/imxrt1050-evk/src/imxrt_mmcsd_spi.c b/boards/arm/imxrt/imxrt1050-evk/src/imxrt_mmcsd_spi.c
index 42952c15e2..1b50d454c7 100644
--- a/boards/arm/imxrt/imxrt1050-evk/src/imxrt_mmcsd_spi.c
+++ b/boards/arm/imxrt/imxrt1050-evk/src/imxrt_mmcsd_spi.c
@@ -55,7 +55,7 @@
  * Pre-processor Definitions
  ****************************************************************************/
 
-#ifndef CONFIG_IMXRT_LPSPI1 
+#ifndef CONFIG_IMXRT_LPSPI1
 #  error "SD driver requires CONFIG_IMXRT_LPSPI1 to be enabled"
 #endif
 
diff --git a/boards/arm/imxrt/imxrt1060-evk/README.txt b/boards/arm/imxrt/imxrt1060-evk/README.txt
index fdfc0f6c6f..f3d613118a 100644
--- a/boards/arm/imxrt/imxrt1060-evk/README.txt
+++ b/boards/arm/imxrt/imxrt1060-evk/README.txt
@@ -110,7 +110,7 @@ LEDs and buttons
     - SW2: ON/OFF Button
     - SW3: Power-on Reset button state forces to reset the system power except
            SNVS domain
-    - SW9: Reset button 
+    - SW9: Reset button
     - SW8: User button GPIO5-00
 
   Only the user button is available to the software.  It is sensed on the
diff --git a/boards/arm/imxrt/imxrt1060-evk/configs/knsh/Make.defs b/boards/arm/imxrt/imxrt1060-evk/configs/knsh/Make.defs
index 0fb99a2b44..392d1c9b05 100644
--- a/boards/arm/imxrt/imxrt1060-evk/configs/knsh/Make.defs
+++ b/boards/arm/imxrt/imxrt1060-evk/configs/knsh/Make.defs
@@ -125,4 +125,3 @@ HOSTCC = gcc
 HOSTINCLUDES = -I.
 HOSTCFLAGS = -Wall -Wstrict-prototypes -Wshadow -Wundef -g -pipe
 HOSTLDFLAGS =
-
diff --git a/boards/arm/imxrt/imxrt1060-evk/configs/libcxxtest/Make.defs b/boards/arm/imxrt/imxrt1060-evk/configs/libcxxtest/Make.defs
index 0702867b20..44b3f929b9 100644
--- a/boards/arm/imxrt/imxrt1060-evk/configs/libcxxtest/Make.defs
+++ b/boards/arm/imxrt/imxrt1060-evk/configs/libcxxtest/Make.defs
@@ -141,4 +141,3 @@ HOSTCC = gcc
 HOSTINCLUDES = -I.
 HOSTCFLAGS = -Wall -Wstrict-prototypes -Wshadow -Wundef -g -pipe
 HOSTLDFLAGS =
-
diff --git a/boards/arm/imxrt/imxrt1060-evk/kernel/.gitignore b/boards/arm/imxrt/imxrt1060-evk/kernel/.gitignore
index 7bacd5aee3..324b8d53ba 100644
--- a/boards/arm/imxrt/imxrt1060-evk/kernel/.gitignore
+++ b/boards/arm/imxrt/imxrt1060-evk/kernel/.gitignore
@@ -1,2 +1 @@
 /nuttx_user.elf
-
diff --git a/boards/arm/imxrt/imxrt1060-evk/scripts/flash-ocram.ld b/boards/arm/imxrt/imxrt1060-evk/scripts/flash-ocram.ld
index 90e01df66a..5a5a4993a7 100644
--- a/boards/arm/imxrt/imxrt1060-evk/scripts/flash-ocram.ld
+++ b/boards/arm/imxrt/imxrt1060-evk/scripts/flash-ocram.ld
@@ -153,4 +153,3 @@ SECTIONS
     .debug_pubnames 0 : { *(.debug_pubnames) }
     .debug_aranges 0 : { *(.debug_aranges) }
 }
-
diff --git a/boards/arm/imxrt/imxrt1060-evk/src/imxrt_flexspi_nor_boot.c b/boards/arm/imxrt/imxrt1060-evk/src/imxrt_flexspi_nor_boot.c
index 5a520db175..5c9b5a30d8 100644
--- a/boards/arm/imxrt/imxrt1060-evk/src/imxrt_flexspi_nor_boot.c
+++ b/boards/arm/imxrt/imxrt1060-evk/src/imxrt_flexspi_nor_boot.c
@@ -64,4 +64,3 @@ const struct boot_data_s g_boot_data =
   PLUGIN_FLAG,                        /* Plugin flag */
   0xffffffff                          /* empty - extra data word */
 };
-
diff --git a/boards/arm/imxrt/imxrt1060-evk/src/imxrt_mmcsd_spi.c b/boards/arm/imxrt/imxrt1060-evk/src/imxrt_mmcsd_spi.c
index a7fb5a816c..bff16b4f41 100644
--- a/boards/arm/imxrt/imxrt1060-evk/src/imxrt_mmcsd_spi.c
+++ b/boards/arm/imxrt/imxrt1060-evk/src/imxrt_mmcsd_spi.c
@@ -55,7 +55,7 @@
  * Pre-processor Definitions
  ****************************************************************************/
 
-#ifndef CONFIG_IMXRT_LPSPI1 
+#ifndef CONFIG_IMXRT_LPSPI1
 #  error "SD driver requires CONFIG_IMXRT_LPSPI1 to be enabled"
 #endif
 
diff --git a/boards/arm/kinetis/freedom-k28f/README.txt b/boards/arm/kinetis/freedom-k28f/README.txt
index 9e2b5d7ead..44d6d15659 100644
--- a/boards/arm/kinetis/freedom-k28f/README.txt
+++ b/boards/arm/kinetis/freedom-k28f/README.txt
@@ -234,4 +234,3 @@ Serial Console
     --------- ---------------------------------------------------------------
     SW2       PTA4/NMI_B
     SW3       PTD0/LLWU_P12
-
diff --git a/boards/arm/kinetis/freedom-k28f/scripts/Make.defs b/boards/arm/kinetis/freedom-k28f/scripts/Make.defs
index b73e5783ff..e0a06ccbf7 100644
--- a/boards/arm/kinetis/freedom-k28f/scripts/Make.defs
+++ b/boards/arm/kinetis/freedom-k28f/scripts/Make.defs
@@ -111,4 +111,3 @@ HOSTCC = gcc
 HOSTINCLUDES = -I.
 HOSTCFLAGS = -Wall -Wstrict-prototypes -Wshadow -Wundef -g -pipe
 HOSTLDFLAGS =
-
diff --git a/boards/arm/kinetis/freedom-k64f/README.txt b/boards/arm/kinetis/freedom-k64f/README.txt
index 5ef51abe08..f3fc7f7f1c 100644
--- a/boards/arm/kinetis/freedom-k64f/README.txt
+++ b/boards/arm/kinetis/freedom-k64f/README.txt
@@ -961,4 +961,3 @@ Status
   2017-02-10:  These have been numerous SDHC fixes submitted by Marc Rechte'.
     These may or may not have fixed the SDHC issues mentioned about.  You
     would have to retest to verify the SDHC functionality.
-
diff --git a/boards/arm/kinetis/freedom-k64f/scripts/Make.defs b/boards/arm/kinetis/freedom-k64f/scripts/Make.defs
index 5f4d87cd9e..fb47e5b40e 100644
--- a/boards/arm/kinetis/freedom-k64f/scripts/Make.defs
+++ b/boards/arm/kinetis/freedom-k64f/scripts/Make.defs
@@ -109,4 +109,3 @@ HOSTCC = gcc
 HOSTINCLUDES = -I.
 HOSTCFLAGS = -Wall -Wstrict-prototypes -Wshadow -Wundef -g -pipe
 HOSTLDFLAGS =
-
diff --git a/boards/arm/kinetis/freedom-k64f/src/k64_boot.c b/boards/arm/kinetis/freedom-k64f/src/k64_boot.c
index 5f7e5d080f..f42b6160c8 100644
--- a/boards/arm/kinetis/freedom-k64f/src/k64_boot.c
+++ b/boards/arm/kinetis/freedom-k64f/src/k64_boot.c
@@ -115,4 +115,3 @@ void board_late_initialize(void)
   k64_bringup();
 }
 #endif /* CONFIG_BOARD_LATE_INITIALIZE */
-
diff --git a/boards/arm/kinetis/freedom-k66f/README.txt b/boards/arm/kinetis/freedom-k66f/README.txt
index 1d2db56f78..e6f216a5fa 100644
--- a/boards/arm/kinetis/freedom-k66f/README.txt
+++ b/boards/arm/kinetis/freedom-k66f/README.txt
@@ -960,4 +960,3 @@ Status
     automounter is working.
     netnsh:Is building but Ehternet is not working yet. TX is called but
     not IRQ is issued.
-
diff --git a/boards/arm/kinetis/freedom-k66f/scripts/Make.defs b/boards/arm/kinetis/freedom-k66f/scripts/Make.defs
index 5bf085d81f..560c909cb4 100644
--- a/boards/arm/kinetis/freedom-k66f/scripts/Make.defs
+++ b/boards/arm/kinetis/freedom-k66f/scripts/Make.defs
@@ -110,4 +110,3 @@ HOSTCC = gcc
 HOSTINCLUDES = -I.
 HOSTCFLAGS = -Wall -Wstrict-prototypes -Wshadow -Wundef -g -pipe
 HOSTLDFLAGS =
-
diff --git a/boards/arm/kinetis/freedom-k66f/src/k66_boot.c b/boards/arm/kinetis/freedom-k66f/src/k66_boot.c
index 01b80bd547..12de54d7b6 100644
--- a/boards/arm/kinetis/freedom-k66f/src/k66_boot.c
+++ b/boards/arm/kinetis/freedom-k66f/src/k66_boot.c
@@ -116,4 +116,3 @@ void board_late_initialize(void)
   k66_bringup();
 }
 #endif /* CONFIG_BOARD_LATE_INITIALIZE */
-
diff --git a/boards/arm/kinetis/kwikstik-k40/scripts/Make.defs b/boards/arm/kinetis/kwikstik-k40/scripts/Make.defs
index 4b4301c2a9..889d72fbc7 100644
--- a/boards/arm/kinetis/kwikstik-k40/scripts/Make.defs
+++ b/boards/arm/kinetis/kwikstik-k40/scripts/Make.defs
@@ -109,4 +109,3 @@ HOSTCC = gcc
 HOSTINCLUDES = -I.
 HOSTCFLAGS = -Wall -Wstrict-prototypes -Wshadow -Wundef -g -pipe
 HOSTLDFLAGS =
-
diff --git a/boards/arm/kinetis/teensy-3.x/scripts/Make.defs b/boards/arm/kinetis/teensy-3.x/scripts/Make.defs
index 0e9effe0a9..8edde527f4 100644
--- a/boards/arm/kinetis/teensy-3.x/scripts/Make.defs
+++ b/boards/arm/kinetis/teensy-3.x/scripts/Make.defs
@@ -115,4 +115,3 @@ HOSTCC = gcc
 HOSTINCLUDES = -I.
 HOSTCFLAGS = -Wall -Wstrict-prototypes -Wshadow -Wundef -g -pipe
 HOSTLDFLAGS =
-
diff --git a/boards/arm/kinetis/twr-k60n512/scripts/Make.defs b/boards/arm/kinetis/twr-k60n512/scripts/Make.defs
index afe2c26669..2ed8428695 100644
--- a/boards/arm/kinetis/twr-k60n512/scripts/Make.defs
+++ b/boards/arm/kinetis/twr-k60n512/scripts/Make.defs
@@ -109,4 +109,3 @@ HOSTCC = gcc
 HOSTINCLUDES = -I.
 HOSTCFLAGS = -Wall -Wstrict-prototypes -Wshadow -Wundef -g -pipe
 HOSTLDFLAGS =
-
diff --git a/boards/arm/kinetis/twr-k60n512/src/k60_appinit.c b/boards/arm/kinetis/twr-k60n512/src/k60_appinit.c
index f19c03c4b2..541bc5ccb5 100644
--- a/boards/arm/kinetis/twr-k60n512/src/k60_appinit.c
+++ b/boards/arm/kinetis/twr-k60n512/src/k60_appinit.c
@@ -274,4 +274,3 @@ int board_app_initialize(uintptr_t arg)
 #endif
   return OK;
 }
-
diff --git a/boards/arm/kinetis/twr-k64f120m/README.txt b/boards/arm/kinetis/twr-k64f120m/README.txt
index a0221b9ec1..406e860253 100644
--- a/boards/arm/kinetis/twr-k64f120m/README.txt
+++ b/boards/arm/kinetis/twr-k64f120m/README.txt
@@ -611,4 +611,3 @@ Where <subdir> is one of the following:
     2. The PHY link negotiation is done at boot time only. If no link is then
        available, a fallback mode is used at 10Mbs/half-duplex. Please make sure
        your ethernet cable and switches are on before booting.
-
diff --git a/boards/arm/kinetis/twr-k64f120m/scripts/Make.defs b/boards/arm/kinetis/twr-k64f120m/scripts/Make.defs
index 314c4928f0..af56812c8e 100644
--- a/boards/arm/kinetis/twr-k64f120m/scripts/Make.defs
+++ b/boards/arm/kinetis/twr-k64f120m/scripts/Make.defs
@@ -109,4 +109,3 @@ HOSTCC = gcc
 HOSTINCLUDES = -I.
 HOSTCFLAGS = -Wall -Wstrict-prototypes -Wshadow -Wundef -g -pipe
 HOSTLDFLAGS =
-
diff --git a/boards/arm/kl/freedom-kl25z/scripts/Make.defs b/boards/arm/kl/freedom-kl25z/scripts/Make.defs
index fde82e09b9..2300cc7c00 100644
--- a/boards/arm/kl/freedom-kl25z/scripts/Make.defs
+++ b/boards/arm/kl/freedom-kl25z/scripts/Make.defs
@@ -122,4 +122,3 @@ else
   # Linux/Cygwin-native host tools
   MKDEP = $(TOPDIR)/tools/mkdeps$(HOSTEXEEXT)
 endif
-
diff --git a/boards/arm/kl/freedom-kl26z/README.txt b/boards/arm/kl/freedom-kl26z/README.txt
index 409d04b83f..c083ca7ce5 100644
--- a/boards/arm/kl/freedom-kl26z/README.txt
+++ b/boards/arm/kl/freedom-kl26z/README.txt
@@ -337,4 +337,3 @@ Where <subdir> is one of the following:
 
     5. This configurations has support for NSH built-in applications.  However,
        in the default configuration no built-in applications are enabled.
-
diff --git a/boards/arm/kl/freedom-kl26z/scripts/Make.defs b/boards/arm/kl/freedom-kl26z/scripts/Make.defs
index 3aaf7e7229..0023de0b52 100644
--- a/boards/arm/kl/freedom-kl26z/scripts/Make.defs
+++ b/boards/arm/kl/freedom-kl26z/scripts/Make.defs
@@ -122,4 +122,3 @@ else
   # Linux/Cygwin-native host tools
   MKDEP = $(TOPDIR)/tools/mkdeps$(HOSTEXEEXT)
 endif
-
diff --git a/boards/arm/kl/teensy-lc/scripts/Make.defs b/boards/arm/kl/teensy-lc/scripts/Make.defs
index 86ca32a655..1674cdb8d0 100644
--- a/boards/arm/kl/teensy-lc/scripts/Make.defs
+++ b/boards/arm/kl/teensy-lc/scripts/Make.defs
@@ -122,4 +122,3 @@ else
   # Linux/Cygwin-native host tools
   MKDEP = $(TOPDIR)/tools/mkdeps$(HOSTEXEEXT)
 endif
-
diff --git a/boards/arm/kl/teensy-lc/src/teensy-lc.h b/boards/arm/kl/teensy-lc/src/teensy-lc.h
index 2f83a0f326..b85beb1f78 100644
--- a/boards/arm/kl/teensy-lc/src/teensy-lc.h
+++ b/boards/arm/kl/teensy-lc/src/teensy-lc.h
@@ -106,4 +106,3 @@ void kl_led_initialize(void);
 
 #endif /* __ASSEMBLY__ */
 #endif /* __BOARDS_ARM_KL_TEENSY_LC_SRC_TEENSY_LC_H */
-
diff --git a/boards/arm/lc823450/lc823450-xgevk/kernel/.gitignore b/boards/arm/lc823450/lc823450-xgevk/kernel/.gitignore
index 7bacd5aee3..324b8d53ba 100644
--- a/boards/arm/lc823450/lc823450-xgevk/kernel/.gitignore
+++ b/boards/arm/lc823450/lc823450-xgevk/kernel/.gitignore
@@ -1,2 +1 @@
 /nuttx_user.elf
-
diff --git a/boards/arm/lc823450/lc823450-xgevk/scripts/Make.defs b/boards/arm/lc823450/lc823450-xgevk/scripts/Make.defs
index c6dc165588..10887b5ff2 100644
--- a/boards/arm/lc823450/lc823450-xgevk/scripts/Make.defs
+++ b/boards/arm/lc823450/lc823450-xgevk/scripts/Make.defs
@@ -160,4 +160,3 @@ endif
 
 EXTRA_LIBS := $(NUTTX_EXTRA_LIBS) $(ARCH_LIBS)
 EXTRA_LIBPATHS := $(NUTTX_EXTRA_LIBPATHS) $(ARCH_LIBPATHS)
-
diff --git a/boards/arm/lc823450/lc823450-xgevk/src/lc823450_boot.c b/boards/arm/lc823450/lc823450-xgevk/src/lc823450_boot.c
index 3bce8dde16..c10093690e 100644
--- a/boards/arm/lc823450/lc823450-xgevk/src/lc823450_boot.c
+++ b/boards/arm/lc823450/lc823450-xgevk/src/lc823450_boot.c
@@ -70,4 +70,3 @@ void board_late_initialize(void)
   lc823450_bringup();
 }
 #endif /* CONFIG_BOARD_LATE_INITIALIZE */
-
diff --git a/boards/arm/lc823450/lc823450-xgevk/src/lc823450_netinit.c b/boards/arm/lc823450/lc823450-xgevk/src/lc823450_netinit.c
index 7d09b181ba..db64b8df33 100644
--- a/boards/arm/lc823450/lc823450-xgevk/src/lc823450_netinit.c
+++ b/boards/arm/lc823450/lc823450-xgevk/src/lc823450_netinit.c
@@ -52,4 +52,3 @@ void up_netinitialize(void)
 {
 }
 #endif
-
diff --git a/boards/arm/lc823450/lc823450-xgevk/src/lc823450_wm8776.c b/boards/arm/lc823450/lc823450-xgevk/src/lc823450_wm8776.c
index 0c8ac23391..d9402abb79 100644
--- a/boards/arm/lc823450/lc823450-xgevk/src/lc823450_wm8776.c
+++ b/boards/arm/lc823450/lc823450-xgevk/src/lc823450_wm8776.c
@@ -130,4 +130,3 @@ int lc823450_wm8776initialize(int minor)
 
   return 0;
 }
-
diff --git a/boards/arm/lpc17xx_40xx/lincoln60/README.txt b/boards/arm/lpc17xx_40xx/lincoln60/README.txt
index f69fe0049f..2ecd55280e 100644
--- a/boards/arm/lpc17xx_40xx/lincoln60/README.txt
+++ b/boards/arm/lpc17xx_40xx/lincoln60/README.txt
@@ -355,4 +355,3 @@ Where <subdir> is one of the following:
       output that they generate does not appear in the browser window.
       I am suspecting that the redirected output is not working correctly
       with the BINFS applications.
-
diff --git a/boards/arm/lpc17xx_40xx/lincoln60/scripts/Make.defs b/boards/arm/lpc17xx_40xx/lincoln60/scripts/Make.defs
index 823c3e1d5e..c88f5f9f91 100644
--- a/boards/arm/lpc17xx_40xx/lincoln60/scripts/Make.defs
+++ b/boards/arm/lpc17xx_40xx/lincoln60/scripts/Make.defs
@@ -109,4 +109,3 @@ HOSTCC = gcc
 HOSTINCLUDES = -I.
 HOSTCFLAGS = -Wall -Wstrict-prototypes -Wshadow -Wundef -g -pipe
 HOSTLDFLAGS =
-
diff --git a/boards/arm/lpc17xx_40xx/lpc4088-devkit/README.txt b/boards/arm/lpc17xx_40xx/lpc4088-devkit/README.txt
index deb1cc0f85..8e5b5bf914 100644
--- a/boards/arm/lpc17xx_40xx/lpc4088-devkit/README.txt
+++ b/boards/arm/lpc17xx_40xx/lpc4088-devkit/README.txt
@@ -381,4 +381,3 @@ Configuration Directories
     Configures the NuttShell (nsh) located at examples/nsh.  The
     Configuration enables both the serial NSH interface as well as the
     telnet interface over ethernet, with an IP address assigned via DHCP.
-
diff --git a/boards/arm/lpc17xx_40xx/lpc4088-devkit/configs/knsh/Make.defs b/boards/arm/lpc17xx_40xx/lpc4088-devkit/configs/knsh/Make.defs
index 6fea9fca3f..1caaef227c 100644
--- a/boards/arm/lpc17xx_40xx/lpc4088-devkit/configs/knsh/Make.defs
+++ b/boards/arm/lpc17xx_40xx/lpc4088-devkit/configs/knsh/Make.defs
@@ -111,4 +111,3 @@ HOSTCC = gcc
 HOSTINCLUDES = -I.
 HOSTCFLAGS = -Wall -Wstrict-prototypes -Wshadow -Wundef -g -pipe
 HOSTLDFLAGS =
-
diff --git a/boards/arm/lpc17xx_40xx/lpc4088-devkit/kernel/.gitignore b/boards/arm/lpc17xx_40xx/lpc4088-devkit/kernel/.gitignore
index 7bacd5aee3..324b8d53ba 100644
--- a/boards/arm/lpc17xx_40xx/lpc4088-devkit/kernel/.gitignore
+++ b/boards/arm/lpc17xx_40xx/lpc4088-devkit/kernel/.gitignore
@@ -1,2 +1 @@
 /nuttx_user.elf
-
diff --git a/boards/arm/lpc17xx_40xx/lpc4088-devkit/scripts/Make.defs b/boards/arm/lpc17xx_40xx/lpc4088-devkit/scripts/Make.defs
index 4f18588c81..89ec2335fb 100644
--- a/boards/arm/lpc17xx_40xx/lpc4088-devkit/scripts/Make.defs
+++ b/boards/arm/lpc17xx_40xx/lpc4088-devkit/scripts/Make.defs
@@ -109,4 +109,3 @@ HOSTCC = gcc
 HOSTINCLUDES = -I.
 HOSTCFLAGS = -Wall -Wstrict-prototypes -Wshadow -Wundef -g -pipe
 HOSTLDFLAGS =
-
diff --git a/boards/arm/lpc17xx_40xx/lpc4088-quickstart/README.txt b/boards/arm/lpc17xx_40xx/lpc4088-quickstart/README.txt
index b7d5d2ca93..e19dfb7917 100644
--- a/boards/arm/lpc17xx_40xx/lpc4088-quickstart/README.txt
+++ b/boards/arm/lpc17xx_40xx/lpc4088-quickstart/README.txt
@@ -454,4 +454,3 @@ Configuration Directories
             CONFIG_DEBUG_FEATURES=y
             CONFIG_DEBUG_INFO=y
             CONFIG_DEBUG_INPUT=y
-
diff --git a/boards/arm/lpc17xx_40xx/lpc4088-quickstart/configs/knsh/Make.defs b/boards/arm/lpc17xx_40xx/lpc4088-quickstart/configs/knsh/Make.defs
index 5d1b914da0..6a329184f4 100644
--- a/boards/arm/lpc17xx_40xx/lpc4088-quickstart/configs/knsh/Make.defs
+++ b/boards/arm/lpc17xx_40xx/lpc4088-quickstart/configs/knsh/Make.defs
@@ -111,4 +111,3 @@ HOSTCC = gcc
 HOSTINCLUDES = -I.
 HOSTCFLAGS = -Wall -Wstrict-prototypes -Wshadow -Wundef -g -pipe
 HOSTLDFLAGS =
-
diff --git a/boards/arm/lpc17xx_40xx/lpc4088-quickstart/kernel/.gitignore b/boards/arm/lpc17xx_40xx/lpc4088-quickstart/kernel/.gitignore
index 7bacd5aee3..324b8d53ba 100644
--- a/boards/arm/lpc17xx_40xx/lpc4088-quickstart/kernel/.gitignore
+++ b/boards/arm/lpc17xx_40xx/lpc4088-quickstart/kernel/.gitignore
@@ -1,2 +1 @@
 /nuttx_user.elf
-
diff --git a/boards/arm/lpc17xx_40xx/lpc4088-quickstart/scripts/Make.defs b/boards/arm/lpc17xx_40xx/lpc4088-quickstart/scripts/Make.defs
index 9c16741ad9..a7fc72d560 100644
--- a/boards/arm/lpc17xx_40xx/lpc4088-quickstart/scripts/Make.defs
+++ b/boards/arm/lpc17xx_40xx/lpc4088-quickstart/scripts/Make.defs
@@ -109,4 +109,3 @@ HOSTCC = gcc
 HOSTINCLUDES = -I.
 HOSTCFLAGS = -Wall -Wstrict-prototypes -Wshadow -Wundef -g -pipe
 HOSTLDFLAGS =
-
diff --git a/boards/arm/lpc17xx_40xx/lpcxpresso-lpc1768/README.txt b/boards/arm/lpc17xx_40xx/lpcxpresso-lpc1768/README.txt
index aeb07f5c13..ce9aff719e 100644
--- a/boards/arm/lpc17xx_40xx/lpcxpresso-lpc1768/README.txt
+++ b/boards/arm/lpc17xx_40xx/lpcxpresso-lpc1768/README.txt
@@ -680,4 +680,3 @@ Where <subdir> is one of the following:
 
     3. Jumpers: J55 must be set to provide chip select PIO1_11 signal as
        the SD slot chip select.
-
diff --git a/boards/arm/lpc17xx_40xx/lpcxpresso-lpc1768/configs/thttpd/Make.defs b/boards/arm/lpc17xx_40xx/lpcxpresso-lpc1768/configs/thttpd/Make.defs
index a18f47bfd8..30e7f64334 100644
--- a/boards/arm/lpc17xx_40xx/lpcxpresso-lpc1768/configs/thttpd/Make.defs
+++ b/boards/arm/lpc17xx_40xx/lpcxpresso-lpc1768/configs/thttpd/Make.defs
@@ -114,4 +114,3 @@ HOSTCC = gcc
 HOSTINCLUDES = -I.
 HOSTCFLAGS = -Wall -Wstrict-prototypes -Wshadow -Wundef -g -pipe
 HOSTLDFLAGS =
-
diff --git a/boards/arm/lpc17xx_40xx/lpcxpresso-lpc1768/scripts/Make.defs b/boards/arm/lpc17xx_40xx/lpcxpresso-lpc1768/scripts/Make.defs
index 654f4e0888..35158924ee 100644
--- a/boards/arm/lpc17xx_40xx/lpcxpresso-lpc1768/scripts/Make.defs
+++ b/boards/arm/lpc17xx_40xx/lpcxpresso-lpc1768/scripts/Make.defs
@@ -109,4 +109,3 @@ HOSTCC = gcc
 HOSTINCLUDES = -I.
 HOSTCFLAGS = -Wall -Wstrict-prototypes -Wshadow -Wundef -g -pipe
 HOSTLDFLAGS =
-
diff --git a/boards/arm/lpc17xx_40xx/lpcxpresso-lpc1768/src/lpcxpresso-lpc1768.h b/boards/arm/lpc17xx_40xx/lpcxpresso-lpc1768/src/lpcxpresso-lpc1768.h
index 8b886fdcd0..4c84bc0a4d 100644
--- a/boards/arm/lpc17xx_40xx/lpcxpresso-lpc1768/src/lpcxpresso-lpc1768.h
+++ b/boards/arm/lpc17xx_40xx/lpcxpresso-lpc1768/src/lpcxpresso-lpc1768.h
@@ -257,4 +257,3 @@ int lpcxpresso_adc_setup(void);
 
 #endif /* __ASSEMBLY__ */
 #endif /* __BOARDS_ARM_LPC17XX_40XX_LPCXPRESSO_LPC1768_SRC_LPCXPRESSO_LPC1768_H */
-
diff --git a/boards/arm/lpc17xx_40xx/mbed/scripts/Make.defs b/boards/arm/lpc17xx_40xx/mbed/scripts/Make.defs
index 8bec01d581..aecb9bc0e6 100644
--- a/boards/arm/lpc17xx_40xx/mbed/scripts/Make.defs
+++ b/boards/arm/lpc17xx_40xx/mbed/scripts/Make.defs
@@ -109,4 +109,3 @@ HOSTCC = gcc
 HOSTINCLUDES = -I.
 HOSTCFLAGS = -Wall -Wstrict-prototypes -Wshadow -Wundef -g -pipe
 HOSTLDFLAGS =
-
diff --git a/boards/arm/lpc17xx_40xx/mcb1700/scripts/Make.defs b/boards/arm/lpc17xx_40xx/mcb1700/scripts/Make.defs
index 029849b190..b0129a7383 100644
--- a/boards/arm/lpc17xx_40xx/mcb1700/scripts/Make.defs
+++ b/boards/arm/lpc17xx_40xx/mcb1700/scripts/Make.defs
@@ -109,4 +109,3 @@ HOSTCC = gcc
 HOSTINCLUDES = -I.
 HOSTCFLAGS = -Wall -Wstrict-prototypes -Wshadow -Wundef -g -pipe
 HOSTLDFLAGS =
-
diff --git a/boards/arm/lpc17xx_40xx/olimex-lpc1766stk/configs/thttpd-binfs/Make.defs b/boards/arm/lpc17xx_40xx/olimex-lpc1766stk/configs/thttpd-binfs/Make.defs
index 55ab789470..efa3168819 100644
--- a/boards/arm/lpc17xx_40xx/olimex-lpc1766stk/configs/thttpd-binfs/Make.defs
+++ b/boards/arm/lpc17xx_40xx/olimex-lpc1766stk/configs/thttpd-binfs/Make.defs
@@ -112,4 +112,3 @@ HOSTCC = gcc
 HOSTINCLUDES = -I.
 HOSTCFLAGS = -Wall -Wstrict-prototypes -Wshadow -Wundef -g -pipe
 HOSTLDFLAGS =
-
diff --git a/boards/arm/lpc17xx_40xx/olimex-lpc1766stk/configs/thttpd-nxflat/Make.defs b/boards/arm/lpc17xx_40xx/olimex-lpc1766stk/configs/thttpd-nxflat/Make.defs
index 55923cd421..3d8a03ad4c 100644
--- a/boards/arm/lpc17xx_40xx/olimex-lpc1766stk/configs/thttpd-nxflat/Make.defs
+++ b/boards/arm/lpc17xx_40xx/olimex-lpc1766stk/configs/thttpd-nxflat/Make.defs
@@ -112,4 +112,3 @@ HOSTCC = gcc
 HOSTINCLUDES = -I.
 HOSTCFLAGS = -Wall -Wstrict-prototypes -Wshadow -Wundef -g -pipe
 HOSTLDFLAGS =
-
diff --git a/boards/arm/lpc17xx_40xx/olimex-lpc1766stk/scripts/Make.defs b/boards/arm/lpc17xx_40xx/olimex-lpc1766stk/scripts/Make.defs
index e5932428d7..5d79271790 100644
--- a/boards/arm/lpc17xx_40xx/olimex-lpc1766stk/scripts/Make.defs
+++ b/boards/arm/lpc17xx_40xx/olimex-lpc1766stk/scripts/Make.defs
@@ -112,4 +112,3 @@ HOSTCC = gcc
 HOSTINCLUDES = -I.
 HOSTCFLAGS = -Wall -Wstrict-prototypes -Wshadow -Wundef -g -pipe
 HOSTLDFLAGS =
-
diff --git a/boards/arm/lpc17xx_40xx/olimex-lpc1766stk/tools/oocd.sh b/boards/arm/lpc17xx_40xx/olimex-lpc1766stk/tools/oocd.sh
index 11af1e2943..250896d6f3 100755
--- a/boards/arm/lpc17xx_40xx/olimex-lpc1766stk/tools/oocd.sh
+++ b/boards/arm/lpc17xx_40xx/olimex-lpc1766stk/tools/oocd.sh
@@ -46,7 +46,3 @@ ${OPENOCD_EXE} ${OPENOCD_ARGS} &
 echo "OpenOCD daemon started"
 ps -ef | grep openocd
 echo "In GDB: target remote localhost:3333"
-
-
-
-
diff --git a/boards/arm/lpc17xx_40xx/open1788/configs/knsh/Make.defs b/boards/arm/lpc17xx_40xx/open1788/configs/knsh/Make.defs
index 407d396290..a85d265977 100644
--- a/boards/arm/lpc17xx_40xx/open1788/configs/knsh/Make.defs
+++ b/boards/arm/lpc17xx_40xx/open1788/configs/knsh/Make.defs
@@ -111,4 +111,3 @@ HOSTCC = gcc
 HOSTINCLUDES = -I.
 HOSTCFLAGS = -Wall -Wstrict-prototypes -Wshadow -Wundef -g -pipe
 HOSTLDFLAGS =
-
diff --git a/boards/arm/lpc17xx_40xx/open1788/configs/knxterm/Make.defs b/boards/arm/lpc17xx_40xx/open1788/configs/knxterm/Make.defs
index e9f49b38d5..eb228e3820 100644
--- a/boards/arm/lpc17xx_40xx/open1788/configs/knxterm/Make.defs
+++ b/boards/arm/lpc17xx_40xx/open1788/configs/knxterm/Make.defs
@@ -111,4 +111,3 @@ HOSTCC = gcc
 HOSTINCLUDES = -I.
 HOSTCFLAGS = -Wall -Wstrict-prototypes -Wshadow -Wundef -g -pipe
 HOSTLDFLAGS =
-
diff --git a/boards/arm/lpc17xx_40xx/open1788/kernel/.gitignore b/boards/arm/lpc17xx_40xx/open1788/kernel/.gitignore
index 7bacd5aee3..324b8d53ba 100644
--- a/boards/arm/lpc17xx_40xx/open1788/kernel/.gitignore
+++ b/boards/arm/lpc17xx_40xx/open1788/kernel/.gitignore
@@ -1,2 +1 @@
 /nuttx_user.elf
-
diff --git a/boards/arm/lpc17xx_40xx/open1788/scripts/Make.defs b/boards/arm/lpc17xx_40xx/open1788/scripts/Make.defs
index 8dce0dd153..7bee3670b0 100644
--- a/boards/arm/lpc17xx_40xx/open1788/scripts/Make.defs
+++ b/boards/arm/lpc17xx_40xx/open1788/scripts/Make.defs
@@ -109,4 +109,3 @@ HOSTCC = gcc
 HOSTINCLUDES = -I.
 HOSTCFLAGS = -Wall -Wstrict-prototypes -Wshadow -Wundef -g -pipe
 HOSTLDFLAGS =
-
diff --git a/boards/arm/lpc214x/mcu123-lpc214x/scripts/lpc21isp.sh b/boards/arm/lpc214x/mcu123-lpc214x/scripts/lpc21isp.sh
index 3015eda5b7..130cb55b6f 100755
--- a/boards/arm/lpc214x/mcu123-lpc214x/scripts/lpc21isp.sh
+++ b/boards/arm/lpc214x/mcu123-lpc214x/scripts/lpc21isp.sh
@@ -62,4 +62,3 @@ osckhz=12000
 # Do it!
 
 sudo $lpc21isp $options $hxfile $tty $baud $osckhz
-
diff --git a/boards/arm/lpc214x/zp214xpa/README.txt b/boards/arm/lpc214x/zp214xpa/README.txt
index 52c38fab84..e09befa221 100644
--- a/boards/arm/lpc214x/zp214xpa/README.txt
+++ b/boards/arm/lpc214x/zp214xpa/README.txt
@@ -343,4 +343,3 @@ Configurations:
       a lot has changed since 2012, but I cannot see any change to either this
       configuration, to the LCD driver, or to the LPC2148 support that would
       affect the operation of the LCD.  The nsh configuration is still functional.
-
diff --git a/boards/arm/lpc214x/zp214xpa/tools/oocd.sh b/boards/arm/lpc214x/zp214xpa/tools/oocd.sh
index b0eb0e1841..9360b9fe8c 100755
--- a/boards/arm/lpc214x/zp214xpa/tools/oocd.sh
+++ b/boards/arm/lpc214x/zp214xpa/tools/oocd.sh
@@ -46,7 +46,3 @@ ${OPENOCD_EXE} ${OPENOCD_ARGS} &
 echo "OpenOCD daemon started"
 ps -ef | grep openocd
 echo "In GDB: target remote localhost:3333"
-
-
-
-
diff --git a/boards/arm/lpc31xx/ea3131/configs/pgnsh/Make.defs b/boards/arm/lpc31xx/ea3131/configs/pgnsh/Make.defs
index a4bb33edd5..09821c4e93 100644
--- a/boards/arm/lpc31xx/ea3131/configs/pgnsh/Make.defs
+++ b/boards/arm/lpc31xx/ea3131/configs/pgnsh/Make.defs
@@ -123,4 +123,3 @@ HOSTCC = gcc
 HOSTINCLUDES = -I.
 HOSTCFLAGS = -Wall -Wstrict-prototypes -Wshadow -Wundef -g -pipe
 HOSTLDFLAGS =
-
diff --git a/boards/arm/lpc31xx/ea3131/locked/.gitignore b/boards/arm/lpc31xx/ea3131/locked/.gitignore
index a42b273d1f..1b4627c39e 100644
--- a/boards/arm/lpc31xx/ea3131/locked/.gitignore
+++ b/boards/arm/lpc31xx/ea3131/locked/.gitignore
@@ -1,4 +1,3 @@
 ld-locked.inc
 locked.r
 locked.map
-
diff --git a/boards/arm/lpc31xx/ea3131/tools/Makefile b/boards/arm/lpc31xx/ea3131/tools/Makefile
index 1b827b7f37..7eb5b7cc86 100644
--- a/boards/arm/lpc31xx/ea3131/tools/Makefile
+++ b/boards/arm/lpc31xx/ea3131/tools/Makefile
@@ -49,5 +49,3 @@ lpchdr: $(OBJS)
 
 clean:
 	@rm -f $(BIN) *.o *~
-
-
diff --git a/boards/arm/lpc31xx/ea3131/tools/lpchdr.c b/boards/arm/lpc31xx/ea3131/tools/lpchdr.c
index ddd5653e10..6fd6388fb2 100644
--- a/boards/arm/lpc31xx/ea3131/tools/lpchdr.c
+++ b/boards/arm/lpc31xx/ea3131/tools/lpchdr.c
@@ -293,5 +293,3 @@ int main(int argc, char **argv, char **envp)
   close(outfd);
   return 0;
 }
-
-
diff --git a/boards/arm/lpc31xx/ea3131/tools/mklpc.sh b/boards/arm/lpc31xx/ea3131/tools/mklpc.sh
index fc4c516f80..450709c90c 100755
--- a/boards/arm/lpc31xx/ea3131/tools/mklpc.sh
+++ b/boards/arm/lpc31xx/ea3131/tools/mklpc.sh
@@ -57,4 +57,3 @@ echo "COMMAND: $LPCHDR -o $TOPDIR/nuttx.lpc $NUTTXPATH"
 "$LPCHDR" -o "$TOPDIR/nuttx.lpc" "$NUTTXPATH" || \
 	{ echo "$LPCHDR failed" ; exit 1 ; }
 echo "Successfully created binary"
-
diff --git a/boards/arm/lpc31xx/ea3131/tools/oocd.sh b/boards/arm/lpc31xx/ea3131/tools/oocd.sh
index 8da64845aa..73d0edd9c6 100755
--- a/boards/arm/lpc31xx/ea3131/tools/oocd.sh
+++ b/boards/arm/lpc31xx/ea3131/tools/oocd.sh
@@ -37,7 +37,3 @@ ${OPENOCD_PATH}/${OPENOCD_EXE} ${OPENOCD_ARGS} &
 echo "OpenOCD daemon started"
 ps -ef | grep openocd
 echo "In GDB: target remote localhost:3333"
-
-
-
-
diff --git a/boards/arm/lpc31xx/ea3152/README.txt b/boards/arm/lpc31xx/ea3152/README.txt
index 6f7186babc..9025d87b32 100644
--- a/boards/arm/lpc31xx/ea3152/README.txt
+++ b/boards/arm/lpc31xx/ea3152/README.txt
@@ -402,4 +402,3 @@ Where <subdir> is one of the following:
     This configuration directory, performs a simple OS test using
     examples/ostest.  By default, this project assumes that you are
     using the DFU bootloader.
-
diff --git a/boards/arm/lpc31xx/ea3152/scripts/Make.defs b/boards/arm/lpc31xx/ea3152/scripts/Make.defs
index 7798f00f13..2f9a4f31e6 100644
--- a/boards/arm/lpc31xx/ea3152/scripts/Make.defs
+++ b/boards/arm/lpc31xx/ea3152/scripts/Make.defs
@@ -123,4 +123,3 @@ HOSTCC = gcc
 HOSTINCLUDES = -I.
 HOSTCFLAGS = -Wall -Wstrict-prototypes -Wshadow -Wundef -g -pipe
 HOSTLDFLAGS =
-
diff --git a/boards/arm/lpc31xx/ea3152/tools/Makefile b/boards/arm/lpc31xx/ea3152/tools/Makefile
index 349e36dcba..affbfe73c6 100644
--- a/boards/arm/lpc31xx/ea3152/tools/Makefile
+++ b/boards/arm/lpc31xx/ea3152/tools/Makefile
@@ -49,5 +49,3 @@ lpchdr: $(OBJS)
 
 clean:
 	@rm -f $(BIN) *.o *~
-
-
diff --git a/boards/arm/lpc31xx/ea3152/tools/jlink.cfg b/boards/arm/lpc31xx/ea3152/tools/jlink.cfg
index f5ff7c7be3..8d136b1297 100644
--- a/boards/arm/lpc31xx/ea3152/tools/jlink.cfg
+++ b/boards/arm/lpc31xx/ea3152/tools/jlink.cfg
@@ -5,4 +5,3 @@
 #
 
 interface jlink
-
diff --git a/boards/arm/lpc31xx/ea3152/tools/mklpc.sh b/boards/arm/lpc31xx/ea3152/tools/mklpc.sh
index 4db9d271aa..10a6718666 100755
--- a/boards/arm/lpc31xx/ea3152/tools/mklpc.sh
+++ b/boards/arm/lpc31xx/ea3152/tools/mklpc.sh
@@ -57,4 +57,3 @@ echo "COMMAND: $LPCHDR -o $TOPDIR/nuttx.lpc $NUTTXPATH"
 "$LPCHDR" -o "$TOPDIR/nuttx.lpc" "$NUTTXPATH" || \
 	{ echo "$LPCHDR failed" ; exit 1 ; }
 echo "Successfully created binary"
-
diff --git a/boards/arm/lpc31xx/olimex-lpc-h3131/tools/Makefile b/boards/arm/lpc31xx/olimex-lpc-h3131/tools/Makefile
index 22f38c2390..cb5d8065b8 100644
--- a/boards/arm/lpc31xx/olimex-lpc-h3131/tools/Makefile
+++ b/boards/arm/lpc31xx/olimex-lpc-h3131/tools/Makefile
@@ -49,5 +49,3 @@ lpchdr: $(OBJS)
 
 clean:
 	@rm -f $(BIN) *.o *~
-
-
diff --git a/boards/arm/lpc31xx/olimex-lpc-h3131/tools/lpchdr.c b/boards/arm/lpc31xx/olimex-lpc-h3131/tools/lpchdr.c
index 9f85ffe80c..f7b9d0903d 100644
--- a/boards/arm/lpc31xx/olimex-lpc-h3131/tools/lpchdr.c
+++ b/boards/arm/lpc31xx/olimex-lpc-h3131/tools/lpchdr.c
@@ -293,5 +293,3 @@ int main(int argc, char **argv, char **envp)
   close(outfd);
   return 0;
 }
-
-
diff --git a/boards/arm/lpc31xx/olimex-lpc-h3131/tools/mklpc.sh b/boards/arm/lpc31xx/olimex-lpc-h3131/tools/mklpc.sh
index 095e3169dc..cd829be425 100755
--- a/boards/arm/lpc31xx/olimex-lpc-h3131/tools/mklpc.sh
+++ b/boards/arm/lpc31xx/olimex-lpc-h3131/tools/mklpc.sh
@@ -57,4 +57,3 @@ echo "COMMAND: $LPCHDR -o $TOPDIR/nuttx.lpc $NUTTXPATH"
 "$LPCHDR" -o "$TOPDIR/nuttx.lpc" "$NUTTXPATH" || \
 	{ echo "$LPCHDR failed" ; exit 1 ; }
 echo "Successfully created binary"
-
diff --git a/boards/arm/lpc31xx/olimex-lpc-h3131/tools/oocd.sh b/boards/arm/lpc31xx/olimex-lpc-h3131/tools/oocd.sh
index 85ec5ee887..8162e3fc03 100755
--- a/boards/arm/lpc31xx/olimex-lpc-h3131/tools/oocd.sh
+++ b/boards/arm/lpc31xx/olimex-lpc-h3131/tools/oocd.sh
@@ -55,7 +55,3 @@ ${OPENOCD_EXE} ${OPENOCD_ARGS} &
 echo "OpenOCD daemon started"
 ps -ef | grep openocd
 echo "In GDB: target remote localhost:3333"
-
-
-
-
diff --git a/boards/arm/lpc43xx/bambino-200e/README.txt b/boards/arm/lpc43xx/bambino-200e/README.txt
index 9e6c283c0b..6316bc6d9a 100644
--- a/boards/arm/lpc43xx/bambino-200e/README.txt
+++ b/boards/arm/lpc43xx/bambino-200e/README.txt
@@ -547,4 +547,3 @@ Where <subdir> is one of the following:
        CONFIG_USBMONITOR_TRACETRANSFERS=y
        CONFIG_USBMONITOR_TRACECONTROLLER=y
        CONFIG_USBMONITOR_TRACEINTERRUPTS=y
-
diff --git a/boards/arm/lpc43xx/bambino-200e/configs/netnsh/Make.defs b/boards/arm/lpc43xx/bambino-200e/configs/netnsh/Make.defs
index 4161a67193..4a53e44ca7 100644
--- a/boards/arm/lpc43xx/bambino-200e/configs/netnsh/Make.defs
+++ b/boards/arm/lpc43xx/bambino-200e/configs/netnsh/Make.defs
@@ -141,4 +141,3 @@ HOSTCC = gcc
 HOSTINCLUDES = -I.
 HOSTCFLAGS = -Wall -Wstrict-prototypes -Wshadow -Wundef -g -pipe
 HOSTLDFLAGS =
-
diff --git a/boards/arm/lpc43xx/bambino-200e/kernel/.gitignore b/boards/arm/lpc43xx/bambino-200e/kernel/.gitignore
index 7bacd5aee3..324b8d53ba 100644
--- a/boards/arm/lpc43xx/bambino-200e/kernel/.gitignore
+++ b/boards/arm/lpc43xx/bambino-200e/kernel/.gitignore
@@ -1,2 +1 @@
 /nuttx_user.elf
-
diff --git a/boards/arm/lpc43xx/bambino-200e/scripts/Make.defs b/boards/arm/lpc43xx/bambino-200e/scripts/Make.defs
index 0194eeaa15..c8865084fc 100644
--- a/boards/arm/lpc43xx/bambino-200e/scripts/Make.defs
+++ b/boards/arm/lpc43xx/bambino-200e/scripts/Make.defs
@@ -130,4 +130,3 @@ HOSTCC = gcc
 HOSTINCLUDES = -I.
 HOSTCFLAGS = -Wall -Wstrict-prototypes -Wshadow -Wundef -g -pipe
 HOSTLDFLAGS =
-
diff --git a/boards/arm/lpc43xx/lpc4330-xplorer/scripts/Make.defs b/boards/arm/lpc43xx/lpc4330-xplorer/scripts/Make.defs
index 2db496ef11..3a491f91ae 100644
--- a/boards/arm/lpc43xx/lpc4330-xplorer/scripts/Make.defs
+++ b/boards/arm/lpc43xx/lpc4330-xplorer/scripts/Make.defs
@@ -129,4 +129,3 @@ HOSTCC = gcc
 HOSTINCLUDES = -I.
 HOSTCFLAGS = -Wall -Wstrict-prototypes -Wshadow -Wundef -g -pipe
 HOSTLDFLAGS =
-
diff --git a/boards/arm/lpc43xx/lpc4337-ws/README.txt b/boards/arm/lpc43xx/lpc4337-ws/README.txt
index ea33a74fdb..d70e9e07d9 100644
--- a/boards/arm/lpc43xx/lpc4337-ws/README.txt
+++ b/boards/arm/lpc43xx/lpc4337-ws/README.txt
@@ -724,5 +724,3 @@ Where <subdir> is one of the following:
 
       Now the hex file can be loaded using a debugger, and the code will execute from
       flash.
-
-
diff --git a/boards/arm/lpc43xx/lpc4357-evb/README.txt b/boards/arm/lpc43xx/lpc4357-evb/README.txt
index f5c8b05ddd..108ec44cd0 100644
--- a/boards/arm/lpc43xx/lpc4357-evb/README.txt
+++ b/boards/arm/lpc43xx/lpc4357-evb/README.txt
@@ -731,4 +731,3 @@ STATUS
      Thus all technical details should be taken with a grain of salt.  GPIO
      definitions may actually are remnants of the LPC4330-Xplorer that still
      need clean-up.
-
diff --git a/boards/arm/lpc43xx/lpc4357-evb/scripts/Make.defs b/boards/arm/lpc43xx/lpc4357-evb/scripts/Make.defs
index 91c3793643..c18e003d56 100644
--- a/boards/arm/lpc43xx/lpc4357-evb/scripts/Make.defs
+++ b/boards/arm/lpc43xx/lpc4357-evb/scripts/Make.defs
@@ -129,4 +129,3 @@ HOSTCC = gcc
 HOSTINCLUDES = -I.
 HOSTCFLAGS = -Wall -Wstrict-prototypes -Wshadow -Wundef -g -pipe
 HOSTLDFLAGS =
-
diff --git a/boards/arm/lpc43xx/lpc4370-link2/README.txt b/boards/arm/lpc43xx/lpc4370-link2/README.txt
index c805a230ea..42314cabca 100644
--- a/boards/arm/lpc43xx/lpc4370-link2/README.txt
+++ b/boards/arm/lpc43xx/lpc4370-link2/README.txt
@@ -734,4 +734,3 @@ STATUS
      Thus all technical details should be taken with a grain of salt.  GPIO
      definitions may actually are remnants of the LPC4330-Xplorer that still
      need clean-up.
-
diff --git a/boards/arm/lpc43xx/lpc4370-link2/scripts/Make.defs b/boards/arm/lpc43xx/lpc4370-link2/scripts/Make.defs
index dd2424fd5d..eb003be034 100644
--- a/boards/arm/lpc43xx/lpc4370-link2/scripts/Make.defs
+++ b/boards/arm/lpc43xx/lpc4370-link2/scripts/Make.defs
@@ -129,4 +129,3 @@ HOSTCC = gcc
 HOSTINCLUDES = -I.
 HOSTCFLAGS = -Wall -Wstrict-prototypes -Wshadow -Wundef -g -pipe
 HOSTLDFLAGS =
-
diff --git a/boards/arm/lpc43xx/lpc4370-link2/src/Makefile b/boards/arm/lpc43xx/lpc4370-link2/src/Makefile
index 0deedb6299..c5f3247c0d 100644
--- a/boards/arm/lpc43xx/lpc4370-link2/src/Makefile
+++ b/boards/arm/lpc43xx/lpc4370-link2/src/Makefile
@@ -65,4 +65,3 @@ CSRCS += lpc43_spifilib_init.c
 endif
 
 include $(TOPDIR)/boards/Board.mk
-
diff --git a/boards/arm/lpc54xx/lpcxpresso-lpc54628/scripts/Make.defs b/boards/arm/lpc54xx/lpcxpresso-lpc54628/scripts/Make.defs
index e574417c4c..51103c4747 100644
--- a/boards/arm/lpc54xx/lpcxpresso-lpc54628/scripts/Make.defs
+++ b/boards/arm/lpc54xx/lpcxpresso-lpc54628/scripts/Make.defs
@@ -115,4 +115,3 @@ HOSTCC = gcc
 HOSTINCLUDES = -I.
 HOSTCFLAGS = -Wall -Wstrict-prototypes -Wshadow -Wundef -g -pipe
 HOSTLDFLAGS =
-
diff --git a/boards/arm/max326xx/max32660-evsys/scripts/Make.defs b/boards/arm/max326xx/max32660-evsys/scripts/Make.defs
index be51bcbb1b..d8e8b12752 100644
--- a/boards/arm/max326xx/max32660-evsys/scripts/Make.defs
+++ b/boards/arm/max326xx/max32660-evsys/scripts/Make.defs
@@ -126,4 +126,3 @@ HOSTCC = gcc
 HOSTINCLUDES = -I.
 HOSTCFLAGS = -Wall -Wstrict-prototypes -Wshadow -Wundef -g -pipe
 HOSTLDFLAGS =
-
diff --git a/boards/arm/nrf52/nrf52-feather/README.txt b/boards/arm/nrf52/nrf52-feather/README.txt
index e7d8239ad9..eac93fec65 100644
--- a/boards/arm/nrf52/nrf52-feather/README.txt
+++ b/boards/arm/nrf52/nrf52-feather/README.txt
@@ -94,4 +94,3 @@ Where <subdir> is one of the following:
     void board_userled_initialize(void);
     void board_userled(int led, bool ledon);
     void board_userled_all(uint8_t ledset);
-
diff --git a/boards/arm/nrf52/nrf52-feather/scripts/Make.defs b/boards/arm/nrf52/nrf52-feather/scripts/Make.defs
index 98166adc74..a6f18015ba 100644
--- a/boards/arm/nrf52/nrf52-feather/scripts/Make.defs
+++ b/boards/arm/nrf52/nrf52-feather/scripts/Make.defs
@@ -113,4 +113,3 @@ HOSTCC = gcc
 HOSTINCLUDES = -I.
 HOSTCFLAGS = -Wall -Wstrict-prototypes -Wshadow -Wundef -g -pipe
 HOSTLDFLAGS =
-
diff --git a/boards/arm/nrf52/nrf52832-dk/README.txt b/boards/arm/nrf52/nrf52832-dk/README.txt
index ce5f48f074..38fc4d455a 100644
--- a/boards/arm/nrf52/nrf52832-dk/README.txt
+++ b/boards/arm/nrf52/nrf52832-dk/README.txt
@@ -105,4 +105,3 @@ Where <subdir> is one of the following:
     void board_userled_initialize(void);
     void board_userled(int led, bool ledon);
     void board_userled_all(uint8_t ledset);
-
diff --git a/boards/arm/nrf52/nrf52832-dk/scripts/Make.defs b/boards/arm/nrf52/nrf52832-dk/scripts/Make.defs
index 582887cfba..0b0a055911 100644
--- a/boards/arm/nrf52/nrf52832-dk/scripts/Make.defs
+++ b/boards/arm/nrf52/nrf52832-dk/scripts/Make.defs
@@ -113,4 +113,3 @@ HOSTCC = gcc
 HOSTINCLUDES = -I.
 HOSTCFLAGS = -Wall -Wstrict-prototypes -Wshadow -Wundef -g -pipe
 HOSTLDFLAGS =
-
diff --git a/boards/arm/nrf52/nrf52840-dk/scripts/Make.defs b/boards/arm/nrf52/nrf52840-dk/scripts/Make.defs
index ac2c80ce33..87d63f044d 100644
--- a/boards/arm/nrf52/nrf52840-dk/scripts/Make.defs
+++ b/boards/arm/nrf52/nrf52840-dk/scripts/Make.defs
@@ -113,4 +113,3 @@ HOSTCC = gcc
 HOSTINCLUDES = -I.
 HOSTCFLAGS = -Wall -Wstrict-prototypes -Wshadow -Wundef -g -pipe
 HOSTLDFLAGS =
-
diff --git a/boards/arm/nrf52/nrf52840-dongle/scripts/Make.defs b/boards/arm/nrf52/nrf52840-dongle/scripts/Make.defs
index e7d4b764b3..efaa78da8d 100644
--- a/boards/arm/nrf52/nrf52840-dongle/scripts/Make.defs
+++ b/boards/arm/nrf52/nrf52840-dongle/scripts/Make.defs
@@ -113,4 +113,3 @@ HOSTCC = gcc
 HOSTINCLUDES = -I.
 HOSTCFLAGS = -Wall -Wstrict-prototypes -Wshadow -Wundef -g -pipe
 HOSTLDFLAGS =
-
diff --git a/boards/arm/nuc1xx/nutiny-nuc120/scripts/Make.defs b/boards/arm/nuc1xx/nutiny-nuc120/scripts/Make.defs
index 50bfc508e9..21106af035 100644
--- a/boards/arm/nuc1xx/nutiny-nuc120/scripts/Make.defs
+++ b/boards/arm/nuc1xx/nutiny-nuc120/scripts/Make.defs
@@ -122,4 +122,3 @@ else
   # Linux/Cygwin-native host tools
   MKDEP = $(TOPDIR)/tools/mkdeps$(HOSTEXEEXT)
 endif
-
diff --git a/boards/arm/sam34/sam3u-ek/README.txt b/boards/arm/sam34/sam3u-ek/README.txt
index 359fe00451..25171a216a 100644
--- a/boards/arm/sam34/sam3u-ek/README.txt
+++ b/boards/arm/sam34/sam3u-ek/README.txt
@@ -488,4 +488,3 @@ Configurations
        beginning of FLASH, trashing the FLASH images.
 
        Bottom line:  Still untested.
-
diff --git a/boards/arm/sam34/sam3u-ek/configs/knsh/Make.defs b/boards/arm/sam34/sam3u-ek/configs/knsh/Make.defs
index d2a38bfb6b..87d2e76d74 100644
--- a/boards/arm/sam34/sam3u-ek/configs/knsh/Make.defs
+++ b/boards/arm/sam34/sam3u-ek/configs/knsh/Make.defs
@@ -111,4 +111,3 @@ HOSTCC = gcc
 HOSTINCLUDES = -I.
 HOSTCFLAGS = -Wall -Wstrict-prototypes -Wshadow -Wundef -g -pipe
 HOSTLDFLAGS =
-
diff --git a/boards/arm/sam34/sam3u-ek/kernel/.gitignore b/boards/arm/sam34/sam3u-ek/kernel/.gitignore
index 7bacd5aee3..324b8d53ba 100644
--- a/boards/arm/sam34/sam3u-ek/kernel/.gitignore
+++ b/boards/arm/sam34/sam3u-ek/kernel/.gitignore
@@ -1,2 +1 @@
 /nuttx_user.elf
-
diff --git a/boards/arm/sam34/sam3u-ek/scripts/Make.defs b/boards/arm/sam34/sam3u-ek/scripts/Make.defs
index b3c15190b6..e1f856d76e 100644
--- a/boards/arm/sam34/sam3u-ek/scripts/Make.defs
+++ b/boards/arm/sam34/sam3u-ek/scripts/Make.defs
@@ -109,4 +109,3 @@ HOSTCC = gcc
 HOSTINCLUDES = -I.
 HOSTCFLAGS = -Wall -Wstrict-prototypes -Wshadow -Wundef -g -pipe
 HOSTLDFLAGS =
-
diff --git a/boards/arm/sam34/sam4cmp-db/README.txt b/boards/arm/sam34/sam4cmp-db/README.txt
index efe90a6690..017f6d7757 100644
--- a/boards/arm/sam34/sam4cmp-db/README.txt
+++ b/boards/arm/sam34/sam4cmp-db/README.txt
@@ -24,5 +24,3 @@ Currently SMP freature works on the board but is not stable.
 1. "nsh> sleep 1 &" works without crash.
 2. "nsh> smp " sometimes works but some assertions might happen.
 3. "nsh> ostest " causes deadlocks during the test.
-
-
diff --git a/boards/arm/sam34/sam4cmp-db/scripts/Make.defs b/boards/arm/sam34/sam4cmp-db/scripts/Make.defs
index 9aa47e2e9a..581f100181 100644
--- a/boards/arm/sam34/sam4cmp-db/scripts/Make.defs
+++ b/boards/arm/sam34/sam4cmp-db/scripts/Make.defs
@@ -109,4 +109,3 @@ HOSTCC = gcc
 HOSTINCLUDES = -I.
 HOSTCFLAGS = -Wall -Wstrict-prototypes -Wshadow -Wundef -g -pipe
 HOSTLDFLAGS =
-
diff --git a/boards/arm/sam34/sam4e-ek/scripts/Make.defs b/boards/arm/sam34/sam4e-ek/scripts/Make.defs
index 5acd2f0672..fb0072b121 100644
--- a/boards/arm/sam34/sam4e-ek/scripts/Make.defs
+++ b/boards/arm/sam34/sam4e-ek/scripts/Make.defs
@@ -109,4 +109,3 @@ HOSTCC = gcc
 HOSTINCLUDES = -I.
 HOSTCFLAGS = -Wall -Wstrict-prototypes -Wshadow -Wundef -g -pipe
 HOSTLDFLAGS =
-
diff --git a/boards/arm/sam34/sam4l-xplained/scripts/Make.defs b/boards/arm/sam34/sam4l-xplained/scripts/Make.defs
index da4b250959..0682ccd568 100644
--- a/boards/arm/sam34/sam4l-xplained/scripts/Make.defs
+++ b/boards/arm/sam34/sam4l-xplained/scripts/Make.defs
@@ -109,4 +109,3 @@ HOSTCC = gcc
 HOSTINCLUDES = -I.
 HOSTCFLAGS = -Wall -Wstrict-prototypes -Wshadow -Wundef -g -pipe
 HOSTLDFLAGS =
-
diff --git a/boards/arm/sam34/sam4l-xplained/src/sam4l-xplained.h b/boards/arm/sam34/sam4l-xplained/src/sam4l-xplained.h
index c093e05f70..08cc0de962 100644
--- a/boards/arm/sam34/sam4l-xplained/src/sam4l-xplained.h
+++ b/boards/arm/sam34/sam4l-xplained/src/sam4l-xplained.h
@@ -365,4 +365,3 @@ int sam_slcd_initialize(void);
 
 #endif /* __ASSEMBLY__ */
 #endif /* __BOARDS_ARM_SAM34_SAM4L_XPLAINED_SRC_SAM4L_XPLAINED_H */
-
diff --git a/boards/arm/sam34/sam4s-xplained-pro/scripts/Make.defs b/boards/arm/sam34/sam4s-xplained-pro/scripts/Make.defs
index 55875e761a..3d78ae4f77 100644
--- a/boards/arm/sam34/sam4s-xplained-pro/scripts/Make.defs
+++ b/boards/arm/sam34/sam4s-xplained-pro/scripts/Make.defs
@@ -109,4 +109,3 @@ HOSTCC = gcc
 HOSTINCLUDES = -I.
 HOSTCFLAGS = -Wall -Wstrict-prototypes -Wshadow -Wundef -g -pipe
 HOSTLDFLAGS =
-
diff --git a/boards/arm/sam34/sam4s-xplained/scripts/Make.defs b/boards/arm/sam34/sam4s-xplained/scripts/Make.defs
index 440a4334dc..9581a1d975 100644
--- a/boards/arm/sam34/sam4s-xplained/scripts/Make.defs
+++ b/boards/arm/sam34/sam4s-xplained/scripts/Make.defs
@@ -109,4 +109,3 @@ HOSTCC = gcc
 HOSTINCLUDES = -I.
 HOSTCFLAGS = -Wall -Wstrict-prototypes -Wshadow -Wundef -g -pipe
 HOSTLDFLAGS =
-
diff --git a/boards/arm/sama5/sama5d2-xult/scripts/Make.defs b/boards/arm/sama5/sama5d2-xult/scripts/Make.defs
index ed5431759a..aa191f9f3f 100644
--- a/boards/arm/sama5/sama5d2-xult/scripts/Make.defs
+++ b/boards/arm/sama5/sama5d2-xult/scripts/Make.defs
@@ -143,4 +143,3 @@ else
   # Linux/Cygwin-native host tools
   MKDEP = $(TOPDIR)$(DELIM)tools$(DELIM)mkdeps$(HOSTEXEEXT)
 endif
-
diff --git a/boards/arm/sama5/sama5d3-xplained/helpers/netusb-up.sh b/boards/arm/sama5/sama5d3-xplained/helpers/netusb-up.sh
index ffbd98e8d9..5e650a161d 100755
--- a/boards/arm/sama5/sama5d3-xplained/helpers/netusb-up.sh
+++ b/boards/arm/sama5/sama5d3-xplained/helpers/netusb-up.sh
@@ -2,7 +2,7 @@
 set -x
 
 # This script can be used to set up the USB Ethernet Gadget interfaces
-# on Linux. Tested on Ubuntu 19.10, kernel 5.3.0-24-generic 
+# on Linux. Tested on Ubuntu 19.10, kernel 5.3.0-24-generic
 
 # USB Ethernet Gadget interface
 IF_USB=ens35u2
diff --git a/boards/arm/sama5/sama5d3-xplained/scripts/Make.defs b/boards/arm/sama5/sama5d3-xplained/scripts/Make.defs
index 60c9c592c7..c3b10e918f 100644
--- a/boards/arm/sama5/sama5d3-xplained/scripts/Make.defs
+++ b/boards/arm/sama5/sama5d3-xplained/scripts/Make.defs
@@ -139,4 +139,3 @@ else
   # Linux/Cygwin-native host tools
   MKDEP = $(TOPDIR)$(DELIM)tools$(DELIM)mkdeps$(HOSTEXEEXT)
 endif
-
diff --git a/boards/arm/sama5/sama5d3x-ek/scripts/Make.defs b/boards/arm/sama5/sama5d3x-ek/scripts/Make.defs
index e91d83d924..177c784b69 100644
--- a/boards/arm/sama5/sama5d3x-ek/scripts/Make.defs
+++ b/boards/arm/sama5/sama5d3x-ek/scripts/Make.defs
@@ -159,4 +159,3 @@ else
   # Linux/Cygwin-native host tools
   MKDEP = $(TOPDIR)$(DELIM)tools$(DELIM)mkdeps$(HOSTEXEEXT)
 endif
-
diff --git a/boards/arm/sama5/sama5d4-ek/configs/knsh/Make.defs b/boards/arm/sama5/sama5d4-ek/configs/knsh/Make.defs
index 02ac9270f7..910ee52580 100644
--- a/boards/arm/sama5/sama5d4-ek/configs/knsh/Make.defs
+++ b/boards/arm/sama5/sama5d4-ek/configs/knsh/Make.defs
@@ -148,4 +148,3 @@ else
   # Linux/Cygwin-native host tools
   MKDEP = $(TOPDIR)$(DELIM)tools$(DELIM)mkdeps$(HOSTEXEEXT)
 endif
-
diff --git a/boards/arm/sama5/sama5d4-ek/scripts/Make.defs b/boards/arm/sama5/sama5d4-ek/scripts/Make.defs
index a291fa9f18..d244391b9a 100644
--- a/boards/arm/sama5/sama5d4-ek/scripts/Make.defs
+++ b/boards/arm/sama5/sama5d4-ek/scripts/Make.defs
@@ -143,4 +143,3 @@ else
   # Linux/Cygwin-native host tools
   MKDEP = $(TOPDIR)$(DELIM)tools$(DELIM)mkdeps$(HOSTEXEEXT)
 endif
-
diff --git a/boards/arm/samd2l2/arduino-m0/src/sam_boot.c b/boards/arm/samd2l2/arduino-m0/src/sam_boot.c
index 18ca653e07..2fcac29e7b 100644
--- a/boards/arm/samd2l2/arduino-m0/src/sam_boot.c
+++ b/boards/arm/samd2l2/arduino-m0/src/sam_boot.c
@@ -112,4 +112,3 @@ void board_late_initialize(void)
   (void)sam_bringup();
 }
 #endif /* CONFIG_BOARD_LATE_INITIALIZE */
-
diff --git a/boards/arm/samd2l2/saml21-xplained/README.txt b/boards/arm/samd2l2/saml21-xplained/README.txt
index 9f13e4d9a7..01257c894d 100644
--- a/boards/arm/samd2l2/saml21-xplained/README.txt
+++ b/boards/arm/samd2l2/saml21-xplained/README.txt
@@ -897,4 +897,3 @@ Configuration sub-directories
         * The OLED is monochrome so the only "colors" are black and white.
           The default "colors" will give you while text on a black background.
           You can override the faults it you want black text on a while background.
-
diff --git a/boards/arm/samd5e5/metro-m4/README.txt b/boards/arm/samd5e5/metro-m4/README.txt
index 538b15e8ce..82a6eb7ce3 100644
--- a/boards/arm/samd5e5/metro-m4/README.txt
+++ b/boards/arm/samd5e5/metro-m4/README.txt
@@ -321,4 +321,3 @@ Configuration sub-directories
     NOTES:
 
     1. The CMCC (Cortex M Cache Controller) is enabled.
-
diff --git a/boards/arm/samd5e5/same54-xplained-pro/README.txt b/boards/arm/samd5e5/same54-xplained-pro/README.txt
index a844e0146c..9fcd0256b9 100644
--- a/boards/arm/samd5e5/same54-xplained-pro/README.txt
+++ b/boards/arm/samd5e5/same54-xplained-pro/README.txt
@@ -157,4 +157,3 @@ Configuration sub-directories
     NOTES:
 
     1. The CMCC (Cortex M Cache Controller) is enabled.
-
diff --git a/boards/arm/samd5e5/same54-xplained-pro/src/sam_phyinit.c b/boards/arm/samd5e5/same54-xplained-pro/src/sam_phyinit.c
index cd42075da2..cb9c5d2226 100644
--- a/boards/arm/samd5e5/same54-xplained-pro/src/sam_phyinit.c
+++ b/boards/arm/samd5e5/same54-xplained-pro/src/sam_phyinit.c
@@ -66,4 +66,3 @@ int sam_phy_boardinitialize(int intf)
   return 0;
 }
 #endif
-
diff --git a/boards/arm/samv7/same70-xplained/README.txt b/boards/arm/samv7/same70-xplained/README.txt
index 5530291556..fc4707201b 100644
--- a/boards/arm/samv7/same70-xplained/README.txt
+++ b/boards/arm/samv7/same70-xplained/README.txt
@@ -1693,4 +1693,3 @@ Configuration sub-directories
          most of the issues.  Things look good on real, local hardware
          (see boards/lpcxpresso-lpc54628/twm4nx).  VNC is just not mature
          enough for this kind of usage at this time.
-
diff --git a/boards/arm/samv7/same70-xplained/kernel/.gitignore b/boards/arm/samv7/same70-xplained/kernel/.gitignore
index 7bacd5aee3..324b8d53ba 100644
--- a/boards/arm/samv7/same70-xplained/kernel/.gitignore
+++ b/boards/arm/samv7/same70-xplained/kernel/.gitignore
@@ -1,2 +1 @@
 /nuttx_user.elf
-
diff --git a/boards/arm/samv7/same70-xplained/scripts/Make.defs b/boards/arm/samv7/same70-xplained/scripts/Make.defs
index 2c151974b8..706bbec70c 100644
--- a/boards/arm/samv7/same70-xplained/scripts/Make.defs
+++ b/boards/arm/samv7/same70-xplained/scripts/Make.defs
@@ -126,4 +126,3 @@ HOSTCC = gcc
 HOSTINCLUDES = -I.
 HOSTCFLAGS = -Wall -Wstrict-prototypes -Wshadow -Wundef -g -pipe
 HOSTLDFLAGS =
-
diff --git a/boards/arm/samv7/samv71-xult/configs/knsh/Make.defs b/boards/arm/samv7/samv71-xult/configs/knsh/Make.defs
index 950fab4197..8b0d6f3c0e 100644
--- a/boards/arm/samv7/samv71-xult/configs/knsh/Make.defs
+++ b/boards/arm/samv7/samv71-xult/configs/knsh/Make.defs
@@ -125,4 +125,3 @@ HOSTCC = gcc
 HOSTINCLUDES = -I.
 HOSTCFLAGS = -Wall -Wstrict-prototypes -Wshadow -Wundef -g -pipe
 HOSTLDFLAGS =
-
diff --git a/boards/arm/samv7/samv71-xult/kernel/.gitignore b/boards/arm/samv7/samv71-xult/kernel/.gitignore
index 7bacd5aee3..324b8d53ba 100644
--- a/boards/arm/samv7/samv71-xult/kernel/.gitignore
+++ b/boards/arm/samv7/samv71-xult/kernel/.gitignore
@@ -1,2 +1 @@
 /nuttx_user.elf
-
diff --git a/boards/arm/samv7/samv71-xult/scripts/Make.defs b/boards/arm/samv7/samv71-xult/scripts/Make.defs
index 15106e05ef..90e7f66692 100644
--- a/boards/arm/samv7/samv71-xult/scripts/Make.defs
+++ b/boards/arm/samv7/samv71-xult/scripts/Make.defs
@@ -126,4 +126,3 @@ HOSTCC = gcc
 HOSTINCLUDES = -I.
 HOSTCFLAGS = -Wall -Wstrict-prototypes -Wshadow -Wundef -g -pipe
 HOSTLDFLAGS =
-
diff --git a/boards/arm/samv7/samv71-xult/src/sam_atmxtconfig.c b/boards/arm/samv7/samv71-xult/src/sam_atmxtconfig.c
index c318cda63e..34df8cda88 100644
--- a/boards/arm/samv7/samv71-xult/src/sam_atmxtconfig.c
+++ b/boards/arm/samv7/samv71-xult/src/sam_atmxtconfig.c
@@ -253,4 +253,3 @@ const struct atmxt_config_s g_atmxt_config[] =
 };
 
 #endif
-
diff --git a/boards/arm/stm32/axoloti/scripts/Make.defs b/boards/arm/stm32/axoloti/scripts/Make.defs
index 39d544528f..5e757b30f6 100644
--- a/boards/arm/stm32/axoloti/scripts/Make.defs
+++ b/boards/arm/stm32/axoloti/scripts/Make.defs
@@ -135,4 +135,3 @@ HOSTCC = gcc
 HOSTINCLUDES = -I.
 HOSTCFLAGS = -Wall -Wstrict-prototypes -Wshadow -Wundef -g -pipe
 HOSTLDFLAGS =
-
diff --git a/boards/arm/stm32/clicker2-stm32/README.txt b/boards/arm/stm32/clicker2-stm32/README.txt
index 72610bec8f..c104640aba 100644
--- a/boards/arm/stm32/clicker2-stm32/README.txt
+++ b/boards/arm/stm32/clicker2-stm32/README.txt
@@ -778,4 +778,3 @@ Configurations
       CONFIG_CDCACM_CONSOLE=n       : The CDC/ACM serial device is NOT the console
       CONFIG_PL2303=y               : The Prolifics PL2303 emulation is enabled
       CONFIG_PL2303_CONSOLE=y       : The PL2303 serial device is the console
-
diff --git a/boards/arm/stm32/clicker2-stm32/kernel/.gitignore b/boards/arm/stm32/clicker2-stm32/kernel/.gitignore
index 7bacd5aee3..324b8d53ba 100644
--- a/boards/arm/stm32/clicker2-stm32/kernel/.gitignore
+++ b/boards/arm/stm32/clicker2-stm32/kernel/.gitignore
@@ -1,2 +1 @@
 /nuttx_user.elf
-
diff --git a/boards/arm/stm32/cloudctrl/scripts/Make.defs b/boards/arm/stm32/cloudctrl/scripts/Make.defs
index 4e5507c571..2897573184 100644
--- a/boards/arm/stm32/cloudctrl/scripts/Make.defs
+++ b/boards/arm/stm32/cloudctrl/scripts/Make.defs
@@ -117,4 +117,3 @@ HOSTCC = gcc
 HOSTINCLUDES = -I.
 HOSTCFLAGS = -Wall -Wstrict-prototypes -Wshadow -Wundef -g -pipe
 HOSTLDFLAGS =
-
diff --git a/boards/arm/stm32/cloudctrl/src/stm32_phyinit.c b/boards/arm/stm32/cloudctrl/src/stm32_phyinit.c
index 3367c4b450..8b10e48dee 100644
--- a/boards/arm/stm32/cloudctrl/src/stm32_phyinit.c
+++ b/boards/arm/stm32/cloudctrl/src/stm32_phyinit.c
@@ -67,4 +67,3 @@ int stm32_phy_boardinitialize(int intf)
   return 0;
 }
 #endif
-
diff --git a/boards/arm/stm32/cloudctrl/tools/olimex-arm-usb-ocd.cfg b/boards/arm/stm32/cloudctrl/tools/olimex-arm-usb-ocd.cfg
index d9ff2e5154..2ae11ff898 100644
--- a/boards/arm/stm32/cloudctrl/tools/olimex-arm-usb-ocd.cfg
+++ b/boards/arm/stm32/cloudctrl/tools/olimex-arm-usb-ocd.cfg
@@ -8,4 +8,3 @@ interface ft2232
 ft2232_device_desc "Olimex OpenOCD JTAG"
 ft2232_layout "olimex-jtag"
 ft2232_vid_pid 0x15BA 0x0003
-
diff --git a/boards/arm/stm32/cloudctrl/tools/oocd.sh b/boards/arm/stm32/cloudctrl/tools/oocd.sh
index bb977a4108..d33d679a16 100755
--- a/boards/arm/stm32/cloudctrl/tools/oocd.sh
+++ b/boards/arm/stm32/cloudctrl/tools/oocd.sh
@@ -89,4 +89,3 @@ echo "Starting OpenOCD"
 echo "OpenOCD daemon started"
 ps -ef | grep openocd
 echo "In GDB: target remote localhost:3333"
-
diff --git a/boards/arm/stm32/fire-stm32v2/README.txt b/boards/arm/stm32/fire-stm32v2/README.txt
index 78a00fcc97..3c82264712 100644
--- a/boards/arm/stm32/fire-stm32v2/README.txt
+++ b/boards/arm/stm32/fire-stm32v2/README.txt
@@ -596,4 +596,3 @@ Where <subdir> is one of the following:
     SPI FLASH and the ENC28J60 shared the same SPI chip select signal (PA4-SPI1-NSS).
     In order to finish the debug of the ENC28J60, it may be necessary to lift
     the SPI FLASH chip select pin from the board.
-
diff --git a/boards/arm/stm32/fire-stm32v2/scripts/Make.defs b/boards/arm/stm32/fire-stm32v2/scripts/Make.defs
index 28daecd5e6..28c6b95798 100644
--- a/boards/arm/stm32/fire-stm32v2/scripts/Make.defs
+++ b/boards/arm/stm32/fire-stm32v2/scripts/Make.defs
@@ -117,4 +117,3 @@ HOSTCC = gcc
 HOSTINCLUDES = -I.
 HOSTCFLAGS = -Wall -Wstrict-prototypes -Wshadow -Wundef -g -pipe
 HOSTLDFLAGS =
-
diff --git a/boards/arm/stm32/fire-stm32v2/src/fire-stm32v2.h b/boards/arm/stm32/fire-stm32v2/src/fire-stm32v2.h
index ec650294c1..ac023a26f7 100644
--- a/boards/arm/stm32/fire-stm32v2/src/fire-stm32v2.h
+++ b/boards/arm/stm32/fire-stm32v2/src/fire-stm32v2.h
@@ -336,4 +336,3 @@ int stm32_w25initialize(int minor);
 
 #endif /* __ASSEMBLY__ */
 #endif /* __BOARDS_ARM_STM32_FIRE_STM32V2_SRC_FIRE_H */
-
diff --git a/boards/arm/stm32/fire-stm32v2/src/stm32_selectlcd.c b/boards/arm/stm32/fire-stm32v2/src/stm32_selectlcd.c
index 08fda3cccd..71228db14e 100644
--- a/boards/arm/stm32/fire-stm32v2/src/stm32_selectlcd.c
+++ b/boards/arm/stm32/fire-stm32v2/src/stm32_selectlcd.c
@@ -186,5 +186,3 @@ void stm32_selectlcd(void)
 }
 
 #endif /* CONFIG_STM32_FSMC */
-
-
diff --git a/boards/arm/stm32/hymini-stm32v/README.txt b/boards/arm/stm32/hymini-stm32v/README.txt
index 22751f9585..99b24eb7d3 100644
--- a/boards/arm/stm32/hymini-stm32v/README.txt
+++ b/boards/arm/stm32/hymini-stm32v/README.txt
@@ -517,4 +517,3 @@ Where <subdir> is one of the following:
 
       -CONFIG_CDCACM=n
       +CONFIG_CDCACM=y
-
diff --git a/boards/arm/stm32/hymini-stm32v/scripts/Make.defs b/boards/arm/stm32/hymini-stm32v/scripts/Make.defs
index 88c4b1a9b0..4bc9309df6 100644
--- a/boards/arm/stm32/hymini-stm32v/scripts/Make.defs
+++ b/boards/arm/stm32/hymini-stm32v/scripts/Make.defs
@@ -115,4 +115,3 @@ HOSTCC = gcc
 HOSTINCLUDES = -I.
 HOSTCFLAGS = -Wall -Wstrict-prototypes -Wshadow -Wundef -g -pipe
 HOSTLDFLAGS =
-
diff --git a/boards/arm/stm32/hymini-stm32v/src/hymini-stm32v.h b/boards/arm/stm32/hymini-stm32v/src/hymini-stm32v.h
index b2eb85b7d1..8970491bab 100644
--- a/boards/arm/stm32/hymini-stm32v/src/hymini-stm32v.h
+++ b/boards/arm/stm32/hymini-stm32v/src/hymini-stm32v.h
@@ -160,4 +160,3 @@ int stm32_tsc_setup(int minor);
 
 #endif /* __ASSEMBLY__ */
 #endif /* __BOARDS_ARM_STM32_HYMINI_STM32V_H */
-
diff --git a/boards/arm/stm32/mikroe-stm32f4/README.txt b/boards/arm/stm32/mikroe-stm32f4/README.txt
index 17bb36c373..0eadff02d6 100644
--- a/boards/arm/stm32/mikroe-stm32f4/README.txt
+++ b/boards/arm/stm32/mikroe-stm32f4/README.txt
@@ -698,4 +698,3 @@ Where <subdir> is one of the following:
       CONFIG_CDCACM_CONSOLE=y       : The CDC/ACM serial device is NOT the console
       CONFIG_PL2303=y               : The Prolifics PL2303 emulation is enabled
       CONFIG_PL2303_CONSOLE=y       : The PL2303 serial device is the console
-
diff --git a/boards/arm/stm32/mikroe-stm32f4/kernel/.gitignore b/boards/arm/stm32/mikroe-stm32f4/kernel/.gitignore
index 7bacd5aee3..324b8d53ba 100644
--- a/boards/arm/stm32/mikroe-stm32f4/kernel/.gitignore
+++ b/boards/arm/stm32/mikroe-stm32f4/kernel/.gitignore
@@ -1,2 +1 @@
 /nuttx_user.elf
-
diff --git a/boards/arm/stm32/mikroe-stm32f4/scripts/Make.defs b/boards/arm/stm32/mikroe-stm32f4/scripts/Make.defs
index be192e0db4..b3f5da46d6 100644
--- a/boards/arm/stm32/mikroe-stm32f4/scripts/Make.defs
+++ b/boards/arm/stm32/mikroe-stm32f4/scripts/Make.defs
@@ -111,4 +111,3 @@ HOSTCC = gcc
 HOSTINCLUDES = -I.
 HOSTCFLAGS = -Wall -Wstrict-prototypes -Wshadow -Wundef -g -pipe
 HOSTLDFLAGS =
-
diff --git a/boards/arm/stm32/mikroe-stm32f4/src/stm32_extmem.c b/boards/arm/stm32/mikroe-stm32f4/src/stm32_extmem.c
index 60aa569311..801e08c20e 100644
--- a/boards/arm/stm32/mikroe-stm32f4/src/stm32_extmem.c
+++ b/boards/arm/stm32/mikroe-stm32f4/src/stm32_extmem.c
@@ -146,4 +146,3 @@ void stm32_extmemdata(int ndata)
 {
   stm32_extmemgpios(g_dataconfig, ndata);
 }
-
diff --git a/boards/arm/stm32/mikroe-stm32f4/src/stm32_idle.c b/boards/arm/stm32/mikroe-stm32f4/src/stm32_idle.c
index 3107dc9b9a..983aee7817 100644
--- a/boards/arm/stm32/mikroe-stm32f4/src/stm32_idle.c
+++ b/boards/arm/stm32/mikroe-stm32f4/src/stm32_idle.c
@@ -276,4 +276,3 @@ void up_idle(void)
   END_IDLE();
 #endif
 }
-
diff --git a/boards/arm/stm32/mikroe-stm32f4/src/stm32_pwm.c b/boards/arm/stm32/mikroe-stm32f4/src/stm32_pwm.c
index 4c6d54a70d..91cd9f8587 100644
--- a/boards/arm/stm32/mikroe-stm32f4/src/stm32_pwm.c
+++ b/boards/arm/stm32/mikroe-stm32f4/src/stm32_pwm.c
@@ -136,4 +136,3 @@ int stm32_pwm_setup(void)
   return -ENODEV;
 #endif
 }
-
diff --git a/boards/arm/stm32/nucleo-f103rb/scripts/Make.defs b/boards/arm/stm32/nucleo-f103rb/scripts/Make.defs
index c63e403911..20d3f6ad3a 100644
--- a/boards/arm/stm32/nucleo-f103rb/scripts/Make.defs
+++ b/boards/arm/stm32/nucleo-f103rb/scripts/Make.defs
@@ -111,4 +111,3 @@ HOSTCC = gcc
 HOSTINCLUDES = -I.
 HOSTCFLAGS = -Wall -Wstrict-prototypes -Wshadow -Wundef -g -pipe
 HOSTLDFLAGS =
-
diff --git a/boards/arm/stm32/nucleo-f207zg/scripts/Make.defs b/boards/arm/stm32/nucleo-f207zg/scripts/Make.defs
index 2bf3d71ef5..8bc677b964 100644
--- a/boards/arm/stm32/nucleo-f207zg/scripts/Make.defs
+++ b/boards/arm/stm32/nucleo-f207zg/scripts/Make.defs
@@ -111,4 +111,3 @@ HOSTCC = gcc
 HOSTINCLUDES = -I.
 HOSTCFLAGS = -Wall -Wstrict-prototypes -Wshadow -Wundef -g -pipe
 HOSTLDFLAGS =
-
diff --git a/boards/arm/stm32/nucleo-f302r8/scripts/Make.defs b/boards/arm/stm32/nucleo-f302r8/scripts/Make.defs
index c975d3c637..5ca7a0d558 100644
--- a/boards/arm/stm32/nucleo-f302r8/scripts/Make.defs
+++ b/boards/arm/stm32/nucleo-f302r8/scripts/Make.defs
@@ -111,4 +111,3 @@ HOSTCC = gcc
 HOSTINCLUDES = -I.
 HOSTCFLAGS = -Wall -Wstrict-prototypes -Wshadow -Wundef -g -pipe
 HOSTLDFLAGS =
-
diff --git a/boards/arm/stm32/nucleo-f303re/scripts/Make.defs b/boards/arm/stm32/nucleo-f303re/scripts/Make.defs
index 88ea92445e..8345e1e206 100644
--- a/boards/arm/stm32/nucleo-f303re/scripts/Make.defs
+++ b/boards/arm/stm32/nucleo-f303re/scripts/Make.defs
@@ -111,4 +111,3 @@ HOSTCC = gcc
 HOSTINCLUDES = -I.
 HOSTCFLAGS = -Wall -Wstrict-prototypes -Wshadow -Wundef -g -pipe
 HOSTLDFLAGS =
-
diff --git a/boards/arm/stm32/nucleo-f303ze/scripts/Make.defs b/boards/arm/stm32/nucleo-f303ze/scripts/Make.defs
index 70efe24515..69103c6da9 100644
--- a/boards/arm/stm32/nucleo-f303ze/scripts/Make.defs
+++ b/boards/arm/stm32/nucleo-f303ze/scripts/Make.defs
@@ -111,4 +111,3 @@ HOSTCC = gcc
 HOSTINCLUDES = -I.
 HOSTCFLAGS = -Wall -Wstrict-prototypes -Wshadow -Wundef -g -pipe
 HOSTLDFLAGS =
-
diff --git a/boards/arm/stm32/nucleo-f334r8/README.txt b/boards/arm/stm32/nucleo-f334r8/README.txt
index 0eec6cc07d..51720b12ab 100644
--- a/boards/arm/stm32/nucleo-f334r8/README.txt
+++ b/boards/arm/stm32/nucleo-f334r8/README.txt
@@ -57,4 +57,3 @@ Configurations
 
     At the moment, the waveform parameters are hardcoded, but it should be easy to
     modify this example and make it more functional.
-
diff --git a/boards/arm/stm32/nucleo-f334r8/scripts/Make.defs b/boards/arm/stm32/nucleo-f334r8/scripts/Make.defs
index 9525225610..74b4ef7724 100644
--- a/boards/arm/stm32/nucleo-f334r8/scripts/Make.defs
+++ b/boards/arm/stm32/nucleo-f334r8/scripts/Make.defs
@@ -111,4 +111,3 @@ HOSTCC = gcc
 HOSTINCLUDES = -I.
 HOSTCFLAGS = -Wall -Wstrict-prototypes -Wshadow -Wundef -g -pipe
 HOSTLDFLAGS =
-
diff --git a/boards/arm/stm32/nucleo-f410rb/scripts/Make.defs b/boards/arm/stm32/nucleo-f410rb/scripts/Make.defs
index 9207677280..eaf2674118 100644
--- a/boards/arm/stm32/nucleo-f410rb/scripts/Make.defs
+++ b/boards/arm/stm32/nucleo-f410rb/scripts/Make.defs
@@ -111,4 +111,3 @@ HOSTCC = gcc
 HOSTINCLUDES = -I.
 HOSTCFLAGS = -Wall -Wstrict-prototypes -Wshadow -Wundef -g -pipe
 HOSTLDFLAGS =
-
diff --git a/boards/arm/stm32/nucleo-l152re/scripts/Make.defs b/boards/arm/stm32/nucleo-l152re/scripts/Make.defs
index 7e63f05516..618a804c55 100644
--- a/boards/arm/stm32/nucleo-l152re/scripts/Make.defs
+++ b/boards/arm/stm32/nucleo-l152re/scripts/Make.defs
@@ -111,4 +111,3 @@ HOSTCC = gcc
 HOSTINCLUDES = -I.
 HOSTCFLAGS = -Wall -Wstrict-prototypes -Wshadow -Wundef -g -pipe
 HOSTLDFLAGS =
-
diff --git a/boards/arm/stm32/olimex-stm32-e407/README.txt b/boards/arm/stm32/olimex-stm32-e407/README.txt
index 1ccf0d7136..2618701dd2 100644
--- a/boards/arm/stm32/olimex-stm32-e407/README.txt
+++ b/boards/arm/stm32/olimex-stm32-e407/README.txt
@@ -194,4 +194,3 @@ Configurations
 
    If you execute the command "ifconfig", you will be able to see the info of the WPAN0 interface
    and see the assigned IP. This interface can be use with an UDP or TCP server/client application.
-
diff --git a/boards/arm/stm32/olimex-stm32-e407/src/Makefile b/boards/arm/stm32/olimex-stm32-e407/src/Makefile
index ff5ad12ec1..b09192a822 100644
--- a/boards/arm/stm32/olimex-stm32-e407/src/Makefile
+++ b/boards/arm/stm32/olimex-stm32-e407/src/Makefile
@@ -101,4 +101,3 @@ CSRCS += stm32_mrf24j40.c
 endif
 
 include $(TOPDIR)/boards/Board.mk
-
diff --git a/boards/arm/stm32/olimex-stm32-e407/src/stm32_adc.c b/boards/arm/stm32/olimex-stm32-e407/src/stm32_adc.c
index db8d7f95fd..573d52e083 100644
--- a/boards/arm/stm32/olimex-stm32-e407/src/stm32_adc.c
+++ b/boards/arm/stm32/olimex-stm32-e407/src/stm32_adc.c
@@ -169,4 +169,3 @@ int stm32_adc_setup(void)
 
 #endif /* CONFIG_STM32_ADC1 || CONFIG_STM32_ADC2 || CONFIG_STM32_ADC3 */
 #endif /* CONFIG_ADC */
-
diff --git a/boards/arm/stm32/olimex-stm32-e407/src/stm32_bmp180.c b/boards/arm/stm32/olimex-stm32-e407/src/stm32_bmp180.c
index 46c3cbcd70..6bdaa70a2f 100644
--- a/boards/arm/stm32/olimex-stm32-e407/src/stm32_bmp180.c
+++ b/boards/arm/stm32/olimex-stm32-e407/src/stm32_bmp180.c
@@ -104,4 +104,3 @@ int stm32_bmp180initialize(FAR const char *devpath)
 }
 
 #endif /* CONFIG_I2C && CONFIG_SENSORS_BMP180 && CONFIG_STM32_I2C1 */
-
diff --git a/boards/arm/stm32/olimex-stm32-e407/src/stm32_dac.c b/boards/arm/stm32/olimex-stm32-e407/src/stm32_dac.c
index 1df8c62664..45b2708721 100644
--- a/boards/arm/stm32/olimex-stm32-e407/src/stm32_dac.c
+++ b/boards/arm/stm32/olimex-stm32-e407/src/stm32_dac.c
@@ -108,4 +108,3 @@ int stm32_dac_setup(void)
 }
 
 #endif
-
diff --git a/boards/arm/stm32/olimex-stm32-e407/src/stm32_timer.c b/boards/arm/stm32/olimex-stm32-e407/src/stm32_timer.c
index 514c846d2c..fb79b3d7e1 100644
--- a/boards/arm/stm32/olimex-stm32-e407/src/stm32_timer.c
+++ b/boards/arm/stm32/olimex-stm32-e407/src/stm32_timer.c
@@ -75,4 +75,3 @@ int stm32_timer_driver_setup(FAR const char *devpath, int timer)
 }
 
 #endif
-
diff --git a/boards/arm/stm32/olimex-stm32-e407/src/stm32_usb.c b/boards/arm/stm32/olimex-stm32-e407/src/stm32_usb.c
index 3f5b9889e1..7dffead3b8 100644
--- a/boards/arm/stm32/olimex-stm32-e407/src/stm32_usb.c
+++ b/boards/arm/stm32/olimex-stm32-e407/src/stm32_usb.c
@@ -340,4 +340,3 @@ void stm32_usbsuspend(FAR struct usbdev_s *dev, bool resume)
 #endif
 
 #endif /* CONFIG_STM32_OTGFS */
-
diff --git a/boards/arm/stm32/olimex-stm32-h407/scripts/Make.defs b/boards/arm/stm32/olimex-stm32-h407/scripts/Make.defs
index 320ee10fd6..b309e3a905 100644
--- a/boards/arm/stm32/olimex-stm32-h407/scripts/Make.defs
+++ b/boards/arm/stm32/olimex-stm32-h407/scripts/Make.defs
@@ -111,4 +111,3 @@ HOSTCC = gcc
 HOSTINCLUDES = -I.
 HOSTCFLAGS = -Wall -Wstrict-prototypes -Wshadow -Wundef -g -pipe
 HOSTLDFLAGS =
-
diff --git a/boards/arm/stm32/olimex-stm32-p107/scripts/Make.defs b/boards/arm/stm32/olimex-stm32-p107/scripts/Make.defs
index 1008894ad1..1a4200c6b1 100644
--- a/boards/arm/stm32/olimex-stm32-p107/scripts/Make.defs
+++ b/boards/arm/stm32/olimex-stm32-p107/scripts/Make.defs
@@ -125,4 +125,3 @@ HOSTCC = gcc
 HOSTINCLUDES = -I.
 HOSTCFLAGS = -Wall -Wstrict-prototypes -Wshadow -Wundef -g -pipe
 HOSTLDFLAGS =
-
diff --git a/boards/arm/stm32/olimex-stm32-p407/README.txt b/boards/arm/stm32/olimex-stm32-p407/README.txt
index 0bf8465173..433f39df06 100644
--- a/boards/arm/stm32/olimex-stm32-p407/README.txt
+++ b/boards/arm/stm32/olimex-stm32-p407/README.txt
@@ -385,7 +385,7 @@ must be is one of the following.
     The STM32 free-running timer is also required.
 
   hidkbd
-  
+
      This is another NSH configuration that supports a USB HID Keyboard
      device and the HID keyboard example at apps/examples/hidkbd.
 
diff --git a/boards/arm/stm32/olimex-stm32-p407/kernel/.gitignore b/boards/arm/stm32/olimex-stm32-p407/kernel/.gitignore
index 7bacd5aee3..324b8d53ba 100644
--- a/boards/arm/stm32/olimex-stm32-p407/kernel/.gitignore
+++ b/boards/arm/stm32/olimex-stm32-p407/kernel/.gitignore
@@ -1,2 +1 @@
 /nuttx_user.elf
-
diff --git a/boards/arm/stm32/olimexino-stm32/scripts/Make.defs b/boards/arm/stm32/olimexino-stm32/scripts/Make.defs
index b6feec3a43..57fb460ad2 100644
--- a/boards/arm/stm32/olimexino-stm32/scripts/Make.defs
+++ b/boards/arm/stm32/olimexino-stm32/scripts/Make.defs
@@ -125,4 +125,3 @@ HOSTCC = gcc
 HOSTINCLUDES = -I.
 HOSTCFLAGS = -Wall -Wstrict-prototypes -Wshadow -Wundef -g -pipe
 HOSTLDFLAGS =
-
diff --git a/boards/arm/stm32/omnibusf4/README.txt b/boards/arm/stm32/omnibusf4/README.txt
index 699cbceab6..c5bc921e46 100644
--- a/boards/arm/stm32/omnibusf4/README.txt
+++ b/boards/arm/stm32/omnibusf4/README.txt
@@ -79,4 +79,3 @@ Build Instructions
 The boards/arm/stm32/omnibusf4/nsh/defconfig file creates a basic setup, and
 includes drivers for all supported onboard chips. The console and
 command prompt are sent to USART3.
-
diff --git a/boards/arm/stm32/omnibusf4/kernel/.gitignore b/boards/arm/stm32/omnibusf4/kernel/.gitignore
index 7bacd5aee3..324b8d53ba 100644
--- a/boards/arm/stm32/omnibusf4/kernel/.gitignore
+++ b/boards/arm/stm32/omnibusf4/kernel/.gitignore
@@ -1,2 +1 @@
 /nuttx_user.elf
-
diff --git a/boards/arm/stm32/omnibusf4/scripts/Make.defs b/boards/arm/stm32/omnibusf4/scripts/Make.defs
index d816ae8085..cf6f49daf6 100644
--- a/boards/arm/stm32/omnibusf4/scripts/Make.defs
+++ b/boards/arm/stm32/omnibusf4/scripts/Make.defs
@@ -135,4 +135,3 @@ HOSTCC = gcc
 HOSTINCLUDES = -I.
 HOSTCFLAGS = -Wall -Wstrict-prototypes -Wshadow -Wundef -g -pipe
 HOSTLDFLAGS =
-
diff --git a/boards/arm/stm32/omnibusf4/src/stm32_reset.c b/boards/arm/stm32/omnibusf4/src/stm32_reset.c
index 1db892cbe1..4a39cbd02a 100644
--- a/boards/arm/stm32/omnibusf4/src/stm32_reset.c
+++ b/boards/arm/stm32/omnibusf4/src/stm32_reset.c
@@ -69,4 +69,3 @@ int board_reset(int mode)
 }
 
 #endif /* CONFIG_BOARDCTL_RESET */
-
diff --git a/boards/arm/stm32/photon/scripts/Make.defs b/boards/arm/stm32/photon/scripts/Make.defs
index ac9829e673..1a1490e73c 100644
--- a/boards/arm/stm32/photon/scripts/Make.defs
+++ b/boards/arm/stm32/photon/scripts/Make.defs
@@ -137,4 +137,3 @@ define DOWNLOAD
 endef
 
 endif
-
diff --git a/boards/arm/stm32/shenzhou/scripts/Make.defs b/boards/arm/stm32/shenzhou/scripts/Make.defs
index ee46550014..fd058023e1 100644
--- a/boards/arm/stm32/shenzhou/scripts/Make.defs
+++ b/boards/arm/stm32/shenzhou/scripts/Make.defs
@@ -122,4 +122,3 @@ HOSTCC = gcc
 HOSTINCLUDES = -I.
 HOSTCFLAGS = -Wall -Wstrict-prototypes -Wshadow -Wundef -g -pipe
 HOSTLDFLAGS =
-
diff --git a/boards/arm/stm32/shenzhou/src/stm32_mmcsd.c b/boards/arm/stm32/shenzhou/src/stm32_mmcsd.c
index 739c03f388..e7fde6bc0f 100644
--- a/boards/arm/stm32/shenzhou/src/stm32_mmcsd.c
+++ b/boards/arm/stm32/shenzhou/src/stm32_mmcsd.c
@@ -124,4 +124,3 @@ int stm32_sdinitialize(int minor)
 #endif
   return OK;
 }
-
diff --git a/boards/arm/stm32/shenzhou/src/stm32_touchscreen.c b/boards/arm/stm32/shenzhou/src/stm32_touchscreen.c
index 04ba4b3860..38fed153be 100644
--- a/boards/arm/stm32/shenzhou/src/stm32_touchscreen.c
+++ b/boards/arm/stm32/shenzhou/src/stm32_touchscreen.c
@@ -281,4 +281,3 @@ int stm32_tsc_setup(int minor)
 }
 
 #endif /* CONFIG_INPUT_ADS7843E */
-
diff --git a/boards/arm/stm32/shenzhou/src/stm32_usb.c b/boards/arm/stm32/shenzhou/src/stm32_usb.c
index d0748d0770..80423864e6 100644
--- a/boards/arm/stm32/shenzhou/src/stm32_usb.c
+++ b/boards/arm/stm32/shenzhou/src/stm32_usb.c
@@ -308,6 +308,3 @@ void stm32_usbsuspend(FAR struct usbdev_s *dev, bool resume)
 #endif
 
 #endif /* CONFIG_STM32_OTGFS */
-
-
-
diff --git a/boards/arm/stm32/shenzhou/tools/olimex-arm-usb-ocd.cfg b/boards/arm/stm32/shenzhou/tools/olimex-arm-usb-ocd.cfg
index d9ff2e5154..2ae11ff898 100644
--- a/boards/arm/stm32/shenzhou/tools/olimex-arm-usb-ocd.cfg
+++ b/boards/arm/stm32/shenzhou/tools/olimex-arm-usb-ocd.cfg
@@ -8,4 +8,3 @@ interface ft2232
 ft2232_device_desc "Olimex OpenOCD JTAG"
 ft2232_layout "olimex-jtag"
 ft2232_vid_pid 0x15BA 0x0003
-
diff --git a/boards/arm/stm32/shenzhou/tools/oocd.sh b/boards/arm/stm32/shenzhou/tools/oocd.sh
index ea21d045dd..00839fc467 100755
--- a/boards/arm/stm32/shenzhou/tools/oocd.sh
+++ b/boards/arm/stm32/shenzhou/tools/oocd.sh
@@ -89,4 +89,3 @@ echo "Starting OpenOCD"
 echo "OpenOCD daemon started"
 ps -ef | grep openocd
 echo "In GDB: target remote localhost:3333"
-
diff --git a/boards/arm/stm32/stm3210e-eval/scripts/Make.defs b/boards/arm/stm32/stm3210e-eval/scripts/Make.defs
index 310bb7f816..4ddb9e7970 100644
--- a/boards/arm/stm32/stm3210e-eval/scripts/Make.defs
+++ b/boards/arm/stm32/stm3210e-eval/scripts/Make.defs
@@ -115,4 +115,3 @@ HOSTCC = gcc
 HOSTINCLUDES = -I.
 HOSTCFLAGS = -Wall -Wstrict-prototypes -Wshadow -Wundef -g -pipe
 HOSTLDFLAGS =
-
diff --git a/boards/arm/stm32/stm3210e-eval/src/stm32_deselectlcd.c b/boards/arm/stm32/stm3210e-eval/src/stm32_deselectlcd.c
index 871febc73a..5d24d4112c 100644
--- a/boards/arm/stm32/stm3210e-eval/src/stm32_deselectlcd.c
+++ b/boards/arm/stm32/stm3210e-eval/src/stm32_deselectlcd.c
@@ -91,6 +91,3 @@ void stm32_deselectlcd(void)
 }
 
 #endif /* CONFIG_STM32_FSMC */
-
-
-
diff --git a/boards/arm/stm32/stm3210e-eval/src/stm32_deselectnor.c b/boards/arm/stm32/stm3210e-eval/src/stm32_deselectnor.c
index bd1188a451..00ec24703f 100644
--- a/boards/arm/stm32/stm3210e-eval/src/stm32_deselectnor.c
+++ b/boards/arm/stm32/stm3210e-eval/src/stm32_deselectnor.c
@@ -91,4 +91,3 @@ void stm32_deselectnor(void)
 }
 
 #endif /* CONFIG_STM32_FSMC */
-
diff --git a/boards/arm/stm32/stm3210e-eval/src/stm32_extcontext.c b/boards/arm/stm32/stm3210e-eval/src/stm32_extcontext.c
index a1499c6508..1064d1df5e 100644
--- a/boards/arm/stm32/stm3210e-eval/src/stm32_extcontext.c
+++ b/boards/arm/stm32/stm3210e-eval/src/stm32_extcontext.c
@@ -112,5 +112,3 @@ void stm32_extcontextrestore(struct extmem_save_s *restore)
 }
 
 #endif /* CONFIG_STM32_FSMC */
-
-
diff --git a/boards/arm/stm32/stm3210e-eval/src/stm32_lcd.c b/boards/arm/stm32/stm3210e-eval/src/stm32_lcd.c
index 05018d5b33..b0065b6675 100644
--- a/boards/arm/stm32/stm3210e-eval/src/stm32_lcd.c
+++ b/boards/arm/stm32/stm3210e-eval/src/stm32_lcd.c
@@ -1848,4 +1848,3 @@ void stm3210e_lcdclear(uint16_t color)
       LCD->value = color;
     }
 }
-
diff --git a/boards/arm/stm32/stm3210e-eval/src/stm32_selectlcd.c b/boards/arm/stm32/stm3210e-eval/src/stm32_selectlcd.c
index 7ac8568269..2ddf3c9b6e 100644
--- a/boards/arm/stm32/stm3210e-eval/src/stm32_selectlcd.c
+++ b/boards/arm/stm32/stm3210e-eval/src/stm32_selectlcd.c
@@ -141,5 +141,3 @@ void stm32_selectlcd(void)
 }
 
 #endif /* CONFIG_STM32_FSMC */
-
-
diff --git a/boards/arm/stm32/stm3210e-eval/src/stm32_selectsram.c b/boards/arm/stm32/stm3210e-eval/src/stm32_selectsram.c
index 32cce42bbd..b2cf5911f8 100644
--- a/boards/arm/stm32/stm3210e-eval/src/stm32_selectsram.c
+++ b/boards/arm/stm32/stm3210e-eval/src/stm32_selectsram.c
@@ -141,5 +141,3 @@ void stm32_selectsram(void)
 }
 
 #endif /* CONFIG_STM32_FSMC */
-
-
diff --git a/boards/arm/stm32/stm3210e-eval/tools/olimex-arm-usb-ocd.cfg b/boards/arm/stm32/stm3210e-eval/tools/olimex-arm-usb-ocd.cfg
index 9752dd4187..d406a3bc54 100644
--- a/boards/arm/stm32/stm3210e-eval/tools/olimex-arm-usb-ocd.cfg
+++ b/boards/arm/stm32/stm3210e-eval/tools/olimex-arm-usb-ocd.cfg
@@ -10,4 +10,3 @@ ft2232_layout olimex-jtag
 ft2232_vid_pid 0x15ba 0x0003
 
 #jtag_khz 600
-
diff --git a/boards/arm/stm32/stm3210e-eval/tools/oocd.sh b/boards/arm/stm32/stm3210e-eval/tools/oocd.sh
index 112819d7d1..c9f01a888d 100755
--- a/boards/arm/stm32/stm3210e-eval/tools/oocd.sh
+++ b/boards/arm/stm32/stm3210e-eval/tools/oocd.sh
@@ -87,4 +87,3 @@ echo "Starting OpenOCD"
 echo "OpenOCD daemon started"
 ps -ef | grep openocd
 echo "In GDB: target remote localhost:3333"
-
diff --git a/boards/arm/stm32/stm3220g-eval/scripts/Make.defs b/boards/arm/stm32/stm3220g-eval/scripts/Make.defs
index b70feb1a9b..a80ab8eaa0 100644
--- a/boards/arm/stm32/stm3220g-eval/scripts/Make.defs
+++ b/boards/arm/stm32/stm3220g-eval/scripts/Make.defs
@@ -111,4 +111,3 @@ HOSTCC = gcc
 HOSTINCLUDES = -I.
 HOSTCFLAGS = -Wall -Wstrict-prototypes -Wshadow -Wundef -g -pipe
 HOSTLDFLAGS =
-
diff --git a/boards/arm/stm32/stm3220g-eval/src/stm32_deselectlcd.c b/boards/arm/stm32/stm3220g-eval/src/stm32_deselectlcd.c
index acdd879415..c7ce820f8b 100644
--- a/boards/arm/stm32/stm3220g-eval/src/stm32_deselectlcd.c
+++ b/boards/arm/stm32/stm3220g-eval/src/stm32_deselectlcd.c
@@ -92,6 +92,3 @@ void stm32_deselectlcd(void)
 }
 
 #endif /* CONFIG_STM32_FSMC */
-
-
-
diff --git a/boards/arm/stm32/stm3220g-eval/src/stm32_deselectsram.c b/boards/arm/stm32/stm3220g-eval/src/stm32_deselectsram.c
index fc9468e581..c89ff01eed 100644
--- a/boards/arm/stm32/stm3220g-eval/src/stm32_deselectsram.c
+++ b/boards/arm/stm32/stm3220g-eval/src/stm32_deselectsram.c
@@ -91,6 +91,3 @@ void stm32_deselectsram(void)
 }
 
 #endif /* CONFIG_STM32_FSMC */
-
-
-
diff --git a/boards/arm/stm32/stm3220g-eval/src/stm32_selectlcd.c b/boards/arm/stm32/stm3220g-eval/src/stm32_selectlcd.c
index eb4db7a595..fcd7d497cb 100644
--- a/boards/arm/stm32/stm3220g-eval/src/stm32_selectlcd.c
+++ b/boards/arm/stm32/stm3220g-eval/src/stm32_selectlcd.c
@@ -164,5 +164,3 @@ void stm32_selectlcd(void)
 }
 
 #endif /* CONFIG_STM32_FSMC */
-
-
diff --git a/boards/arm/stm32/stm3220g-eval/src/stm32_selectsram.c b/boards/arm/stm32/stm3220g-eval/src/stm32_selectsram.c
index 7ec92f60eb..6f125aa2af 100644
--- a/boards/arm/stm32/stm3220g-eval/src/stm32_selectsram.c
+++ b/boards/arm/stm32/stm3220g-eval/src/stm32_selectsram.c
@@ -189,5 +189,3 @@ void stm32_selectsram(void)
 }
 
 #endif /* CONFIG_STM32_FSMC */
-
-
diff --git a/boards/arm/stm32/stm3220g-eval/src/stm32_stmpe811.c b/boards/arm/stm32/stm3220g-eval/src/stm32_stmpe811.c
index d0e12097b0..a6126b345b 100644
--- a/boards/arm/stm32/stm3220g-eval/src/stm32_stmpe811.c
+++ b/boards/arm/stm32/stm3220g-eval/src/stm32_stmpe811.c
@@ -337,4 +337,3 @@ int stm32_tsc_setup(int minor)
 }
 
 #endif /* CONFIG_INPUT_STMPE811 */
-
diff --git a/boards/arm/stm32/stm3220g-eval/src/stm32_usb.c b/boards/arm/stm32/stm3220g-eval/src/stm32_usb.c
index 25987e0b98..9b116ab014 100644
--- a/boards/arm/stm32/stm3220g-eval/src/stm32_usb.c
+++ b/boards/arm/stm32/stm3220g-eval/src/stm32_usb.c
@@ -308,4 +308,3 @@ void stm32_usbsuspend(FAR struct usbdev_s *dev, bool resume)
 #endif
 
 #endif /* CONFIG_STM32_OTGFS */
-
diff --git a/boards/arm/stm32/stm3220g-eval/tools/olimex-arm-usb-ocd.cfg b/boards/arm/stm32/stm3220g-eval/tools/olimex-arm-usb-ocd.cfg
index 9752dd4187..d406a3bc54 100644
--- a/boards/arm/stm32/stm3220g-eval/tools/olimex-arm-usb-ocd.cfg
+++ b/boards/arm/stm32/stm3220g-eval/tools/olimex-arm-usb-ocd.cfg
@@ -10,4 +10,3 @@ ft2232_layout olimex-jtag
 ft2232_vid_pid 0x15ba 0x0003
 
 #jtag_khz 600
-
diff --git a/boards/arm/stm32/stm3220g-eval/tools/oocd.sh b/boards/arm/stm32/stm3220g-eval/tools/oocd.sh
index 112819d7d1..c9f01a888d 100755
--- a/boards/arm/stm32/stm3220g-eval/tools/oocd.sh
+++ b/boards/arm/stm32/stm3220g-eval/tools/oocd.sh
@@ -87,4 +87,3 @@ echo "Starting OpenOCD"
 echo "OpenOCD daemon started"
 ps -ef | grep openocd
 echo "In GDB: target remote localhost:3333"
-
diff --git a/boards/arm/stm32/stm3240g-eval/configs/knxwm/Make.defs b/boards/arm/stm32/stm3240g-eval/configs/knxwm/Make.defs
index 334269b5e1..45a1075abd 100644
--- a/boards/arm/stm32/stm3240g-eval/configs/knxwm/Make.defs
+++ b/boards/arm/stm32/stm3240g-eval/configs/knxwm/Make.defs
@@ -111,4 +111,3 @@ HOSTCC = gcc
 HOSTINCLUDES = -I.
 HOSTCFLAGS = -Wall -Wstrict-prototypes -Wshadow -Wundef -g -pipe
 HOSTLDFLAGS =
-
diff --git a/boards/arm/stm32/stm3240g-eval/kernel/.gitignore b/boards/arm/stm32/stm3240g-eval/kernel/.gitignore
index 7bacd5aee3..324b8d53ba 100644
--- a/boards/arm/stm32/stm3240g-eval/kernel/.gitignore
+++ b/boards/arm/stm32/stm3240g-eval/kernel/.gitignore
@@ -1,2 +1 @@
 /nuttx_user.elf
-
diff --git a/boards/arm/stm32/stm3240g-eval/scripts/Make.defs b/boards/arm/stm32/stm3240g-eval/scripts/Make.defs
index 7c159e67a2..3bad193511 100644
--- a/boards/arm/stm32/stm3240g-eval/scripts/Make.defs
+++ b/boards/arm/stm32/stm3240g-eval/scripts/Make.defs
@@ -111,4 +111,3 @@ HOSTCC = gcc
 HOSTINCLUDES = -I.
 HOSTCFLAGS = -Wall -Wstrict-prototypes -Wshadow -Wundef -g -pipe
 HOSTLDFLAGS =
-
diff --git a/boards/arm/stm32/stm3240g-eval/src/stm32_deselectlcd.c b/boards/arm/stm32/stm3240g-eval/src/stm32_deselectlcd.c
index 6a48b0d545..feba731d2c 100644
--- a/boards/arm/stm32/stm3240g-eval/src/stm32_deselectlcd.c
+++ b/boards/arm/stm32/stm3240g-eval/src/stm32_deselectlcd.c
@@ -92,6 +92,3 @@ void stm32_deselectlcd(void)
 }
 
 #endif /* CONFIG_STM32_FSMC */
-
-
-
diff --git a/boards/arm/stm32/stm3240g-eval/src/stm32_selectlcd.c b/boards/arm/stm32/stm3240g-eval/src/stm32_selectlcd.c
index 498596d313..62765a97ca 100644
--- a/boards/arm/stm32/stm3240g-eval/src/stm32_selectlcd.c
+++ b/boards/arm/stm32/stm3240g-eval/src/stm32_selectlcd.c
@@ -164,5 +164,3 @@ void stm32_selectlcd(void)
 }
 
 #endif /* CONFIG_STM32_FSMC */
-
-
diff --git a/boards/arm/stm32/stm3240g-eval/src/stm32_selectsram.c b/boards/arm/stm32/stm3240g-eval/src/stm32_selectsram.c
index 20ca9a9a8b..8899e64f5c 100644
--- a/boards/arm/stm32/stm3240g-eval/src/stm32_selectsram.c
+++ b/boards/arm/stm32/stm3240g-eval/src/stm32_selectsram.c
@@ -189,5 +189,3 @@ void stm32_selectsram(void)
 }
 
 #endif /* CONFIG_STM32_FSMC */
-
-
diff --git a/boards/arm/stm32/stm3240g-eval/src/stm32_stmpe811.c b/boards/arm/stm32/stm3240g-eval/src/stm32_stmpe811.c
index 0306d2da29..333866bb4d 100644
--- a/boards/arm/stm32/stm3240g-eval/src/stm32_stmpe811.c
+++ b/boards/arm/stm32/stm3240g-eval/src/stm32_stmpe811.c
@@ -336,4 +336,3 @@ int stm32_tsc_setup(int minor)
 }
 
 #endif /* CONFIG_INPUT_STMPE811 */
-
diff --git a/boards/arm/stm32/stm3240g-eval/src/stm32_usb.c b/boards/arm/stm32/stm3240g-eval/src/stm32_usb.c
index 00f2936439..f864537d5a 100644
--- a/boards/arm/stm32/stm3240g-eval/src/stm32_usb.c
+++ b/boards/arm/stm32/stm3240g-eval/src/stm32_usb.c
@@ -308,6 +308,3 @@ void stm32_usbsuspend(FAR struct usbdev_s *dev, bool resume)
 #endif
 
 #endif /* CONFIG_STM32_OTGFS */
-
-
-
diff --git a/boards/arm/stm32/stm32_tiny/scripts/Make.defs b/boards/arm/stm32/stm32_tiny/scripts/Make.defs
index caa5a7db08..71de083a9e 100644
--- a/boards/arm/stm32/stm32_tiny/scripts/Make.defs
+++ b/boards/arm/stm32/stm32_tiny/scripts/Make.defs
@@ -111,4 +111,3 @@ HOSTCC = gcc
 HOSTINCLUDES = -I.
 HOSTCFLAGS = -Wall -Wstrict-prototypes -Wshadow -Wundef -g -pipe
 HOSTLDFLAGS =
-
diff --git a/boards/arm/stm32/stm32_tiny/src/stm32_nrf24l01.c b/boards/arm/stm32/stm32_tiny/src/stm32_nrf24l01.c
index 4366fe26f8..db59ac74b1 100644
--- a/boards/arm/stm32/stm32_tiny/src/stm32_nrf24l01.c
+++ b/boards/arm/stm32/stm32_tiny/src/stm32_nrf24l01.c
@@ -127,4 +127,3 @@ void stm32_wlinitialize(void)
       return;
     }
 }
-
diff --git a/boards/arm/stm32/stm32butterfly2/scripts/Make.defs b/boards/arm/stm32/stm32butterfly2/scripts/Make.defs
index f4ee71e925..0280865cc4 100644
--- a/boards/arm/stm32/stm32butterfly2/scripts/Make.defs
+++ b/boards/arm/stm32/stm32butterfly2/scripts/Make.defs
@@ -115,4 +115,3 @@ HOSTCC = gcc
 HOSTINCLUDES = -I.
 HOSTCFLAGS = -Wall -Wstrict-prototypes -Wshadow -Wundef -g -pipe
 HOSTLDFLAGS =
-
diff --git a/boards/arm/stm32/stm32butterfly2/src/stm32_butterfly2.h b/boards/arm/stm32/stm32butterfly2/src/stm32_butterfly2.h
index 349066d8c0..dd01a1de34 100644
--- a/boards/arm/stm32/stm32butterfly2/src/stm32_butterfly2.h
+++ b/boards/arm/stm32/stm32butterfly2/src/stm32_butterfly2.h
@@ -142,4 +142,3 @@ static inline int stm32_adc_setup(void) { return 0; }
 #endif
 
 #endif /* __BOARDS_ARM_STM32_STM32_BUTTERFLY2_SRC_STM32_BUTTERFLY2_H */
-
diff --git a/boards/arm/stm32/stm32f103-minimum/scripts/Make.defs b/boards/arm/stm32/stm32f103-minimum/scripts/Make.defs
index db79f219a6..c4685a9260 100644
--- a/boards/arm/stm32/stm32f103-minimum/scripts/Make.defs
+++ b/boards/arm/stm32/stm32f103-minimum/scripts/Make.defs
@@ -115,4 +115,3 @@ HOSTCC = gcc
 HOSTINCLUDES = -I.
 HOSTCFLAGS = -Wall -Wstrict-prototypes -Wshadow -Wundef -g -pipe
 HOSTLDFLAGS =
-
diff --git a/boards/arm/stm32/stm32f103-minimum/src/stm32_lm75.c b/boards/arm/stm32/stm32f103-minimum/src/stm32_lm75.c
index 5b57a5d437..15c68edd85 100644
--- a/boards/arm/stm32/stm32f103-minimum/src/stm32_lm75.c
+++ b/boards/arm/stm32/stm32f103-minimum/src/stm32_lm75.c
@@ -120,4 +120,3 @@ int stm32_lm75attach(xcpt_t irqhandler, void *arg)
 }
 
 #endif /* CONFIG_I2C && CONFIG_LM75_I2C && CONFIG_STM32_I2C1 */
-
diff --git a/boards/arm/stm32/stm32f103-minimum/src/stm32_max6675.c b/boards/arm/stm32/stm32f103-minimum/src/stm32_max6675.c
index 011596437e..23b79e3464 100644
--- a/boards/arm/stm32/stm32f103-minimum/src/stm32_max6675.c
+++ b/boards/arm/stm32/stm32f103-minimum/src/stm32_max6675.c
@@ -99,4 +99,3 @@ int stm32_max6675initialize(FAR const char *devpath)
 }
 
 #endif /* CONFIG_SPI && CONFIG_SENSORS_MAX6675 */
-
diff --git a/boards/arm/stm32/stm32f103-minimum/src/stm32_pwm.c b/boards/arm/stm32/stm32f103-minimum/src/stm32_pwm.c
index 6303b55edf..54f022771b 100644
--- a/boards/arm/stm32/stm32f103-minimum/src/stm32_pwm.c
+++ b/boards/arm/stm32/stm32f103-minimum/src/stm32_pwm.c
@@ -137,4 +137,3 @@ int stm32_pwm_setup(void)
   return -ENODEV;
 #endif
 }
-
diff --git a/boards/arm/stm32/stm32f103-minimum/src/stm32_zerocross.c b/boards/arm/stm32/stm32f103-minimum/src/stm32_zerocross.c
index 0b2e8d696b..3c28df8764 100644
--- a/boards/arm/stm32/stm32f103-minimum/src/stm32_zerocross.c
+++ b/boards/arm/stm32/stm32f103-minimum/src/stm32_zerocross.c
@@ -191,4 +191,3 @@ int stm32_zerocross_initialize(void)
 }
 
 #endif /* CONFIG_SENSORS_ZEROCROSS */
-
diff --git a/boards/arm/stm32/stm32f334-disco/scripts/Make.defs b/boards/arm/stm32/stm32f334-disco/scripts/Make.defs
index a5be622c4c..043eda0b92 100644
--- a/boards/arm/stm32/stm32f334-disco/scripts/Make.defs
+++ b/boards/arm/stm32/stm32f334-disco/scripts/Make.defs
@@ -111,4 +111,3 @@ HOSTCC = gcc
 HOSTINCLUDES = -I.
 HOSTCFLAGS = -Wall -Wstrict-prototypes -Wshadow -Wundef -g -pipe
 HOSTLDFLAGS =
-
diff --git a/boards/arm/stm32/stm32f3discovery/scripts/Make.defs b/boards/arm/stm32/stm32f3discovery/scripts/Make.defs
index 45b2631ded..5e541a0d40 100644
--- a/boards/arm/stm32/stm32f3discovery/scripts/Make.defs
+++ b/boards/arm/stm32/stm32f3discovery/scripts/Make.defs
@@ -111,4 +111,3 @@ HOSTCC = gcc
 HOSTINCLUDES = -I.
 HOSTCFLAGS = -Wall -Wstrict-prototypes -Wshadow -Wundef -g -pipe
 HOSTLDFLAGS =
-
diff --git a/boards/arm/stm32/stm32f3discovery/src/stm32_pwm.c b/boards/arm/stm32/stm32f3discovery/src/stm32_pwm.c
index c33da0416d..be89122d8e 100644
--- a/boards/arm/stm32/stm32f3discovery/src/stm32_pwm.c
+++ b/boards/arm/stm32/stm32f3discovery/src/stm32_pwm.c
@@ -136,4 +136,3 @@ int stm32_pwm_setup(void)
   return -ENODEV;
 #endif
 }
-
diff --git a/boards/arm/stm32/stm32f3discovery/src/stm32f3discovery.h b/boards/arm/stm32/stm32f3discovery/src/stm32f3discovery.h
index fd4c0db979..8d33b452c3 100644
--- a/boards/arm/stm32/stm32f3discovery/src/stm32f3discovery.h
+++ b/boards/arm/stm32/stm32f3discovery/src/stm32f3discovery.h
@@ -207,4 +207,3 @@ int stm32_qencoder_initialize(FAR const char *devpath, int timer);
 
 #endif /* __ASSEMBLY__ */
 #endif /* __BOARDS_ARM_STM32_STM32F3DISCOVERY_SRC_STM32F3DISCOVERY_H */
-
diff --git a/boards/arm/stm32/stm32f411e-disco/README.txt b/boards/arm/stm32/stm32f411e-disco/README.txt
index 9bc9302150..6cf2090b77 100644
--- a/boards/arm/stm32/stm32f411e-disco/README.txt
+++ b/boards/arm/stm32/stm32f411e-disco/README.txt
@@ -5,4 +5,3 @@ This README discusses issues unique to NuttX configurations for the STMicro
 STM32F411E-Discovery board.  See
 
 http://www.st.com/content/ccc/resource/technical/document/user_manual/e9/d2/00/5e/15/46/44/0e/DM00148985.pdf/files/DM00148985.pdf/jcr:content/translations/en.DM00148985.pdf
-
diff --git a/boards/arm/stm32/stm32f429i-disco/configs/fb/README.txt b/boards/arm/stm32/stm32f429i-disco/configs/fb/README.txt
index faa7cb1516..a42e114c05 100644
--- a/boards/arm/stm32/stm32f429i-disco/configs/fb/README.txt
+++ b/boards/arm/stm32/stm32f429i-disco/configs/fb/README.txt
@@ -109,4 +109,3 @@ You can also test overlay hardware acceleration functionality by executing the
 follwing command (shows a commandline help):
 
   nsh> fboverlay
-
diff --git a/boards/arm/stm32/stm32f429i-disco/scripts/Make.defs b/boards/arm/stm32/stm32f429i-disco/scripts/Make.defs
index bdd749ed88..310589fda9 100644
--- a/boards/arm/stm32/stm32f429i-disco/scripts/Make.defs
+++ b/boards/arm/stm32/stm32f429i-disco/scripts/Make.defs
@@ -111,4 +111,3 @@ HOSTCC = gcc
 HOSTINCLUDES = -I.
 HOSTCFLAGS = -Wall -Wstrict-prototypes -Wshadow -Wundef -g -pipe
 HOSTLDFLAGS =
-
diff --git a/boards/arm/stm32/stm32f429i-disco/src/stm32_idle.c b/boards/arm/stm32/stm32f429i-disco/src/stm32_idle.c
index b2a9f92775..7b924dcfec 100644
--- a/boards/arm/stm32/stm32f429i-disco/src/stm32_idle.c
+++ b/boards/arm/stm32/stm32f429i-disco/src/stm32_idle.c
@@ -276,4 +276,3 @@ void up_idle(void)
   END_IDLE();
 #endif
 }
-
diff --git a/boards/arm/stm32/stm32f429i-disco/src/stm32_stmpe811.c b/boards/arm/stm32/stm32f429i-disco/src/stm32_stmpe811.c
index 299e31a84d..0395cc1c3f 100644
--- a/boards/arm/stm32/stm32f429i-disco/src/stm32_stmpe811.c
+++ b/boards/arm/stm32/stm32f429i-disco/src/stm32_stmpe811.c
@@ -339,4 +339,3 @@ int stm32_tsc_setup(int minor)
 }
 
 #endif /* CONFIG_INPUT_STMPE811 */
-
diff --git a/boards/arm/stm32/stm32f4discovery/configs/elf/Make.defs b/boards/arm/stm32/stm32f4discovery/configs/elf/Make.defs
index b0277573f4..165fc3f213 100644
--- a/boards/arm/stm32/stm32f4discovery/configs/elf/Make.defs
+++ b/boards/arm/stm32/stm32f4discovery/configs/elf/Make.defs
@@ -130,4 +130,3 @@ HOSTCC = gcc
 HOSTINCLUDES = -I.
 HOSTCFLAGS = -Wall -Wstrict-prototypes -Wshadow -Wundef -g -pipe
 HOSTLDFLAGS =
-
diff --git a/boards/arm/stm32/stm32f4discovery/configs/posix_spawn/Make.defs b/boards/arm/stm32/stm32f4discovery/configs/posix_spawn/Make.defs
index ff87585560..ace08e8c93 100644
--- a/boards/arm/stm32/stm32f4discovery/configs/posix_spawn/Make.defs
+++ b/boards/arm/stm32/stm32f4discovery/configs/posix_spawn/Make.defs
@@ -130,4 +130,3 @@ HOSTCC = gcc
 HOSTINCLUDES = -I.
 HOSTCFLAGS = -Wall -Wstrict-prototypes -Wshadow -Wundef -g -pipe
 HOSTLDFLAGS =
-
diff --git a/boards/arm/stm32/stm32f4discovery/configs/winbuild/Make.defs b/boards/arm/stm32/stm32f4discovery/configs/winbuild/Make.defs
index a53b390435..8fdc506ec0 100644
--- a/boards/arm/stm32/stm32f4discovery/configs/winbuild/Make.defs
+++ b/boards/arm/stm32/stm32f4discovery/configs/winbuild/Make.defs
@@ -100,4 +100,3 @@ HOSTEXEEXT = .exe
 # Windows-native host tools
 
 MKDEP = $(TOPDIR)\tools\mkdeps.exe --winnative
-
diff --git a/boards/arm/stm32/stm32f4discovery/include/board.h b/boards/arm/stm32/stm32f4discovery/include/board.h
index d2f657f014..f828d48fda 100644
--- a/boards/arm/stm32/stm32f4discovery/include/board.h
+++ b/boards/arm/stm32/stm32f4discovery/include/board.h
@@ -421,4 +421,3 @@
 #define DMAMAP_SDIO DMAMAP_SDIO_1
 
 #endif  /* __BOARDS_ARM_STM32_STM32F4DISCOVERY_INCLUDE_BOARD_H */
-
diff --git a/boards/arm/stm32/stm32f4discovery/kernel/.gitignore b/boards/arm/stm32/stm32f4discovery/kernel/.gitignore
index 7bacd5aee3..324b8d53ba 100644
--- a/boards/arm/stm32/stm32f4discovery/kernel/.gitignore
+++ b/boards/arm/stm32/stm32f4discovery/kernel/.gitignore
@@ -1,2 +1 @@
 /nuttx_user.elf
-
diff --git a/boards/arm/stm32/stm32f4discovery/scripts/Make.defs b/boards/arm/stm32/stm32f4discovery/scripts/Make.defs
index 189670ae2d..f52f661193 100644
--- a/boards/arm/stm32/stm32f4discovery/scripts/Make.defs
+++ b/boards/arm/stm32/stm32f4discovery/scripts/Make.defs
@@ -152,4 +152,3 @@ endif
 HOSTINCLUDES = -I.
 HOSTCFLAGS = -Wall -Wstrict-prototypes -Wshadow -Wundef -g -pipe
 HOSTLDFLAGS =
-
diff --git a/boards/arm/stm32/stm32f4discovery/src/stm32_idle.c b/boards/arm/stm32/stm32f4discovery/src/stm32_idle.c
index bc948ac7c7..415047cf3b 100644
--- a/boards/arm/stm32/stm32f4discovery/src/stm32_idle.c
+++ b/boards/arm/stm32/stm32f4discovery/src/stm32_idle.c
@@ -273,4 +273,3 @@ void up_idle(void)
   END_IDLE();
 #endif
 }
-
diff --git a/boards/arm/stm32/stm32f4discovery/src/stm32_netinit.c b/boards/arm/stm32/stm32f4discovery/src/stm32_netinit.c
index da25c2c029..3a3a5b2992 100644
--- a/boards/arm/stm32/stm32f4discovery/src/stm32_netinit.c
+++ b/boards/arm/stm32/stm32f4discovery/src/stm32_netinit.c
@@ -52,4 +52,3 @@ void up_netinitialize(void)
 {
 }
 #endif
-
diff --git a/boards/arm/stm32/stm32f4discovery/src/stm32_ssd1289.c b/boards/arm/stm32/stm32f4discovery/src/stm32_ssd1289.c
index 4210714a60..ce8b1abb47 100644
--- a/boards/arm/stm32/stm32f4discovery/src/stm32_ssd1289.c
+++ b/boards/arm/stm32/stm32f4discovery/src/stm32_ssd1289.c
@@ -394,5 +394,3 @@ void board_lcd_uninitialize(void)
 }
 
 #endif /* CONFIG_LCD_SSD1289 */
-
-
diff --git a/boards/arm/stm32/stm32ldiscovery/scripts/Make.defs b/boards/arm/stm32/stm32ldiscovery/scripts/Make.defs
index d3b653f345..6099067994 100644
--- a/boards/arm/stm32/stm32ldiscovery/scripts/Make.defs
+++ b/boards/arm/stm32/stm32ldiscovery/scripts/Make.defs
@@ -115,4 +115,3 @@ HOSTCC = gcc
 HOSTINCLUDES = -I.
 HOSTCFLAGS = -Wall -Wstrict-prototypes -Wshadow -Wundef -g -pipe
 HOSTLDFLAGS =
-
diff --git a/boards/arm/stm32/stm32ldiscovery/src/stm32_pwm.c b/boards/arm/stm32/stm32ldiscovery/src/stm32_pwm.c
index b4942c7ea5..034ca83206 100644
--- a/boards/arm/stm32/stm32ldiscovery/src/stm32_pwm.c
+++ b/boards/arm/stm32/stm32ldiscovery/src/stm32_pwm.c
@@ -136,4 +136,3 @@ int stm32_pwm_setup(void)
   return -ENODEV;
 #endif
 }
-
diff --git a/boards/arm/stm32/stm32ldiscovery/src/stm32ldiscovery.h b/boards/arm/stm32/stm32ldiscovery/src/stm32ldiscovery.h
index 85bf0953c4..e2e1dc4df4 100644
--- a/boards/arm/stm32/stm32ldiscovery/src/stm32ldiscovery.h
+++ b/boards/arm/stm32/stm32ldiscovery/src/stm32ldiscovery.h
@@ -291,4 +291,3 @@ int stm32_qencoder_initialize(FAR const char *devpath, int timer);
 
 #endif /* __ASSEMBLY__ */
 #endif /* __BOARDS_ARM_STM32_STM32F3DISCOVERY_SRC_STM32F3DISCOVERY_H */
-
diff --git a/boards/arm/stm32/stm32vldiscovery/Kconfig b/boards/arm/stm32/stm32vldiscovery/Kconfig
index 68d3a72d69..93bdcac510 100644
--- a/boards/arm/stm32/stm32vldiscovery/Kconfig
+++ b/boards/arm/stm32/stm32vldiscovery/Kconfig
@@ -8,4 +8,3 @@ if ARCH_BOARD_STM32VL_DISCOVERY
 comment "STM32VL-Discovery Hardware Configuration"
 
 endif
-
diff --git a/boards/arm/stm32/stm32vldiscovery/scripts/Make.defs b/boards/arm/stm32/stm32vldiscovery/scripts/Make.defs
index 8abb6b062a..6123e8bcfa 100644
--- a/boards/arm/stm32/stm32vldiscovery/scripts/Make.defs
+++ b/boards/arm/stm32/stm32vldiscovery/scripts/Make.defs
@@ -111,4 +111,3 @@ HOSTCC = gcc
 HOSTINCLUDES = -I.
 HOSTCFLAGS = -Wall -Wstrict-prototypes -Wshadow -Wundef -g -pipe
 HOSTLDFLAGS =
-
diff --git a/boards/arm/stm32/viewtool-stm32f107/scripts/Make.defs b/boards/arm/stm32/viewtool-stm32f107/scripts/Make.defs
index 1ff52c07cc..3d33d27719 100644
--- a/boards/arm/stm32/viewtool-stm32f107/scripts/Make.defs
+++ b/boards/arm/stm32/viewtool-stm32f107/scripts/Make.defs
@@ -115,4 +115,3 @@ HOSTCC = gcc
 HOSTINCLUDES = -I.
 HOSTCFLAGS = -Wall -Wstrict-prototypes -Wshadow -Wundef -g -pipe
 HOSTLDFLAGS =
-
diff --git a/boards/arm/stm32/viewtool-stm32f107/src/stm32_mmcsd.c b/boards/arm/stm32/viewtool-stm32f107/src/stm32_mmcsd.c
index 559cd6370e..972794d635 100644
--- a/boards/arm/stm32/viewtool-stm32f107/src/stm32_mmcsd.c
+++ b/boards/arm/stm32/viewtool-stm32f107/src/stm32_mmcsd.c
@@ -130,4 +130,3 @@ int stm32_sdinitialize(int minor)
 }
 
 #endif /* CONFIG_ARCH_CHIP_STM32F103VC */
-
diff --git a/boards/arm/stm32f0l0g0/b-l072z-lrwan1/scripts/Make.defs b/boards/arm/stm32f0l0g0/b-l072z-lrwan1/scripts/Make.defs
index 6bf54527d4..897edb219a 100644
--- a/boards/arm/stm32f0l0g0/b-l072z-lrwan1/scripts/Make.defs
+++ b/boards/arm/stm32f0l0g0/b-l072z-lrwan1/scripts/Make.defs
@@ -111,4 +111,3 @@ HOSTCC = gcc
 HOSTINCLUDES = -I.
 HOSTCFLAGS = -Wall -Wstrict-prototypes -Wshadow -Wundef -g -pipe
 HOSTLDFLAGS =
-
diff --git a/boards/arm/stm32f0l0g0/b-l072z-lrwan1/src/stm32_bringup.c b/boards/arm/stm32f0l0g0/b-l072z-lrwan1/src/stm32_bringup.c
index a61fcfd855..73384593a7 100644
--- a/boards/arm/stm32f0l0g0/b-l072z-lrwan1/src/stm32_bringup.c
+++ b/boards/arm/stm32f0l0g0/b-l072z-lrwan1/src/stm32_bringup.c
@@ -186,4 +186,3 @@ int stm32_bringup(void)
   UNUSED(ret);
   return OK;
 }
-
diff --git a/boards/arm/stm32f0l0g0/b-l072z-lrwan1/src/stm32_spi.c b/boards/arm/stm32f0l0g0/b-l072z-lrwan1/src/stm32_spi.c
index 126b9b304f..b7bc403741 100644
--- a/boards/arm/stm32f0l0g0/b-l072z-lrwan1/src/stm32_spi.c
+++ b/boards/arm/stm32f0l0g0/b-l072z-lrwan1/src/stm32_spi.c
@@ -193,4 +193,3 @@ uint8_t stm32_spi2status(FAR struct spi_dev_s *dev, uint32_t devid)
 #endif  /* CONFIG_STM32F0L0G0_SPI2 */
 
 #endif  /* CONFIG_STM32F0L0G0_SPI */
-
diff --git a/boards/arm/stm32f0l0g0/nucleo-g070rb/scripts/Make.defs b/boards/arm/stm32f0l0g0/nucleo-g070rb/scripts/Make.defs
index 443508a8ae..4cd9b931f8 100644
--- a/boards/arm/stm32f0l0g0/nucleo-g070rb/scripts/Make.defs
+++ b/boards/arm/stm32f0l0g0/nucleo-g070rb/scripts/Make.defs
@@ -114,4 +114,3 @@ HOSTCC = gcc
 HOSTINCLUDES = -I.
 HOSTCFLAGS = -Wall -Wstrict-prototypes -Wshadow -Wundef -g -pipe
 HOSTLDFLAGS =
-
diff --git a/boards/arm/stm32f0l0g0/nucleo-g071rb/scripts/Make.defs b/boards/arm/stm32f0l0g0/nucleo-g071rb/scripts/Make.defs
index c312d6af74..6b34e73d4a 100644
--- a/boards/arm/stm32f0l0g0/nucleo-g071rb/scripts/Make.defs
+++ b/boards/arm/stm32f0l0g0/nucleo-g071rb/scripts/Make.defs
@@ -111,4 +111,3 @@ HOSTCC = gcc
 HOSTINCLUDES = -I.
 HOSTCFLAGS = -Wall -Wstrict-prototypes -Wshadow -Wundef -g -pipe
 HOSTLDFLAGS =
-
diff --git a/boards/arm/stm32f0l0g0/nucleo-l073rz/scripts/Make.defs b/boards/arm/stm32f0l0g0/nucleo-l073rz/scripts/Make.defs
index d4ca4ac9f1..77710ee0b2 100644
--- a/boards/arm/stm32f0l0g0/nucleo-l073rz/scripts/Make.defs
+++ b/boards/arm/stm32f0l0g0/nucleo-l073rz/scripts/Make.defs
@@ -111,4 +111,3 @@ HOSTCC = gcc
 HOSTINCLUDES = -I.
 HOSTCFLAGS = -Wall -Wstrict-prototypes -Wshadow -Wundef -g -pipe
 HOSTLDFLAGS =
-
diff --git a/boards/arm/stm32f0l0g0/stm32f051-discovery/src/stm32_boot.c b/boards/arm/stm32f0l0g0/stm32f051-discovery/src/stm32_boot.c
index e3638338cf..b2d290dd61 100644
--- a/boards/arm/stm32f0l0g0/stm32f051-discovery/src/stm32_boot.c
+++ b/boards/arm/stm32f0l0g0/stm32f051-discovery/src/stm32_boot.c
@@ -92,4 +92,3 @@ void board_late_initialize(void)
   stm32_bringup();
 }
 #endif
-
diff --git a/boards/arm/stm32f0l0g0/stm32f072-discovery/src/stm32_boot.c b/boards/arm/stm32f0l0g0/stm32f072-discovery/src/stm32_boot.c
index 3339fbdf37..d2d62aa5ef 100644
--- a/boards/arm/stm32f0l0g0/stm32f072-discovery/src/stm32_boot.c
+++ b/boards/arm/stm32f0l0g0/stm32f072-discovery/src/stm32_boot.c
@@ -92,4 +92,3 @@ void board_late_initialize(void)
   stm32_bringup();
 }
 #endif
-
diff --git a/boards/arm/stm32f7/nucleo-144/README.txt b/boards/arm/stm32f7/nucleo-144/README.txt
index 0f15357532..9fdc2fed3e 100644
--- a/boards/arm/stm32f7/nucleo-144/README.txt
+++ b/boards/arm/stm32f7/nucleo-144/README.txt
@@ -174,7 +174,7 @@ NUCLEO-F767ZI Features:
 For pinout and details Check NUCLEO-F767ZI page on developer.mbed.org:
 https://os.mbed.com/platforms/ST-Nucleo-F767ZI/
 
-Also https://developer.mbed.org/platforms/ST-Nucleo-F746ZG 
+Also https://developer.mbed.org/platforms/ST-Nucleo-F746ZG
 may contain some related useful information.
 
 Development Environment
diff --git a/boards/arm/stm32f7/nucleo-144/configs/f746-nsh/Make.defs b/boards/arm/stm32f7/nucleo-144/configs/f746-nsh/Make.defs
index c2dc9623e7..0aceee21b5 100644
--- a/boards/arm/stm32f7/nucleo-144/configs/f746-nsh/Make.defs
+++ b/boards/arm/stm32f7/nucleo-144/configs/f746-nsh/Make.defs
@@ -112,4 +112,3 @@ HOSTCC = gcc
 HOSTINCLUDES = -I.
 HOSTCFLAGS = -Wall -Wstrict-prototypes -Wshadow -Wundef -g -pipe
 HOSTLDFLAGS =
-
diff --git a/boards/arm/stm32f7/nucleo-144/configs/f767-netnsh/Make.defs b/boards/arm/stm32f7/nucleo-144/configs/f767-netnsh/Make.defs
index 6de176e2f6..1633fd7d99 100644
--- a/boards/arm/stm32f7/nucleo-144/configs/f767-netnsh/Make.defs
+++ b/boards/arm/stm32f7/nucleo-144/configs/f767-netnsh/Make.defs
@@ -112,4 +112,3 @@ HOSTCC = gcc
 HOSTINCLUDES = -I.
 HOSTCFLAGS = -Wall -Wstrict-prototypes -Wshadow -Wundef -g -pipe
 HOSTLDFLAGS =
-
diff --git a/boards/arm/stm32f7/nucleo-144/configs/f767-nsh/Make.defs b/boards/arm/stm32f7/nucleo-144/configs/f767-nsh/Make.defs
index 2d4670956f..9f3ec7a142 100644
--- a/boards/arm/stm32f7/nucleo-144/configs/f767-nsh/Make.defs
+++ b/boards/arm/stm32f7/nucleo-144/configs/f767-nsh/Make.defs
@@ -112,4 +112,3 @@ HOSTCC = gcc
 HOSTINCLUDES = -I.
 HOSTCFLAGS = -Wall -Wstrict-prototypes -Wshadow -Wundef -g -pipe
 HOSTLDFLAGS =
-
diff --git a/boards/arm/stm32f7/nucleo-144/src/stm32_reset.c b/boards/arm/stm32f7/nucleo-144/src/stm32_reset.c
index ce4349ddc0..b9007cd44d 100644
--- a/boards/arm/stm32f7/nucleo-144/src/stm32_reset.c
+++ b/boards/arm/stm32f7/nucleo-144/src/stm32_reset.c
@@ -3,7 +3,7 @@
  *
  *   Copyright (C) 2019 Gregory Nutt. All rights reserved.
  *   Author: Gregory Nutt <gnutt@nuttx.org>
- *   Author: Philippe Coval <p.coval@samsung.com>  
+ *   Author: Philippe Coval <p.coval@samsung.com>
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
diff --git a/boards/arm/stm32f7/stm32f746-ws/scripts/Make.defs b/boards/arm/stm32f7/stm32f746-ws/scripts/Make.defs
index 4c05ef3e58..66d346ebc6 100644
--- a/boards/arm/stm32f7/stm32f746-ws/scripts/Make.defs
+++ b/boards/arm/stm32f7/stm32f746-ws/scripts/Make.defs
@@ -111,4 +111,3 @@ HOSTCC = gcc
 HOSTINCLUDES = -I.
 HOSTCFLAGS = -Wall -Wstrict-prototypes -Wshadow -Wundef -g -pipe
 HOSTLDFLAGS =
-
diff --git a/boards/arm/stm32f7/stm32f746g-disco/kernel/.gitignore b/boards/arm/stm32f7/stm32f746g-disco/kernel/.gitignore
index 7bacd5aee3..324b8d53ba 100644
--- a/boards/arm/stm32f7/stm32f746g-disco/kernel/.gitignore
+++ b/boards/arm/stm32f7/stm32f746g-disco/kernel/.gitignore
@@ -1,2 +1 @@
 /nuttx_user.elf
-
diff --git a/boards/arm/stm32f7/stm32f746g-disco/src/stm32_n25q.c b/boards/arm/stm32f7/stm32f746g-disco/src/stm32_n25q.c
index 3467565be7..73f958ed3c 100644
--- a/boards/arm/stm32f7/stm32f746g-disco/src/stm32_n25q.c
+++ b/boards/arm/stm32f7/stm32f746g-disco/src/stm32_n25q.c
@@ -130,4 +130,3 @@ int stm32_n25qxxx_setup(void)
 
   return 0;
 }
-
diff --git a/boards/arm/stm32f7/stm32f769i-disco/README.txt b/boards/arm/stm32f7/stm32f769i-disco/README.txt
index 4cc227443c..991b27462f 100644
--- a/boards/arm/stm32f7/stm32f769i-disco/README.txt
+++ b/boards/arm/stm32f7/stm32f769i-disco/README.txt
@@ -137,5 +137,3 @@ Configuration Directories
   ---
     Same as above but a lot more hardware peripherals enabled,
     in particular ethernet, as well as networking stuff.
-
-
diff --git a/boards/arm/stm32f7/stm32f769i-disco/kernel/.gitignore b/boards/arm/stm32f7/stm32f769i-disco/kernel/.gitignore
index 7bacd5aee3..324b8d53ba 100644
--- a/boards/arm/stm32f7/stm32f769i-disco/kernel/.gitignore
+++ b/boards/arm/stm32f7/stm32f769i-disco/kernel/.gitignore
@@ -1,2 +1 @@
 /nuttx_user.elf
-
diff --git a/boards/arm/stm32f7/stm32f769i-disco/scripts/Make.defs b/boards/arm/stm32f7/stm32f769i-disco/scripts/Make.defs
index 07c37ac747..405dffd70f 100644
--- a/boards/arm/stm32f7/stm32f769i-disco/scripts/Make.defs
+++ b/boards/arm/stm32f7/stm32f769i-disco/scripts/Make.defs
@@ -111,4 +111,3 @@ HOSTCC = gcc
 HOSTINCLUDES = -I.
 HOSTCFLAGS = -Wall -Wstrict-prototypes -Wshadow -Wundef -g -pipe
 HOSTLDFLAGS =
-
diff --git a/boards/arm/stm32h7/nucleo-h743zi/README.txt b/boards/arm/stm32h7/nucleo-h743zi/README.txt
index c15c37604b..b34bc7e1de 100644
--- a/boards/arm/stm32h7/nucleo-h743zi/README.txt
+++ b/boards/arm/stm32h7/nucleo-h743zi/README.txt
@@ -159,4 +159,3 @@ Configurations
 
     This configuration provides a basic NuttShell configuration (NSH)
     for the Nucleo-H743ZI.  The default console is the VCOM on USART3.
-
diff --git a/boards/arm/stm32h7/nucleo-h743zi/kernel/.gitignore b/boards/arm/stm32h7/nucleo-h743zi/kernel/.gitignore
index 7bacd5aee3..324b8d53ba 100644
--- a/boards/arm/stm32h7/nucleo-h743zi/kernel/.gitignore
+++ b/boards/arm/stm32h7/nucleo-h743zi/kernel/.gitignore
@@ -1,2 +1 @@
 /nuttx_user.elf
-
diff --git a/boards/arm/stm32h7/stm32h747i-disco/README.txt b/boards/arm/stm32h7/stm32h747i-disco/README.txt
index 9b2ee49c5d..c8808405bf 100644
--- a/boards/arm/stm32h7/stm32h747i-disco/README.txt
+++ b/boards/arm/stm32h7/stm32h747i-disco/README.txt
@@ -119,4 +119,3 @@ Configurations
 
     This configuration provides a basic NuttShell configuration (NSH)
     for the board.  The default console is the VCOM on USART1.
-
diff --git a/boards/arm/stm32h7/stm32h747i-disco/kernel/.gitignore b/boards/arm/stm32h7/stm32h747i-disco/kernel/.gitignore
index 7bacd5aee3..324b8d53ba 100644
--- a/boards/arm/stm32h7/stm32h747i-disco/kernel/.gitignore
+++ b/boards/arm/stm32h7/stm32h747i-disco/kernel/.gitignore
@@ -1,2 +1 @@
 /nuttx_user.elf
-
diff --git a/boards/arm/stm32h7/stm32h747i-disco/src/stm32_adc.c b/boards/arm/stm32h7/stm32h747i-disco/src/stm32_adc.c
index e3f9152682..e87c729af3 100644
--- a/boards/arm/stm32h7/stm32h747i-disco/src/stm32_adc.c
+++ b/boards/arm/stm32h7/stm32h747i-disco/src/stm32_adc.c
@@ -225,4 +225,3 @@ int stm32_adc_setup(void)
 
 #endif /* CONFIG_STM32H7_ADC1 || CONFIG_STM32H7_ADC2 || CONFIG_STM32H7_ADC3 */
 #endif /* CONFIG_ADC */
-
diff --git a/boards/arm/stm32h7/stm32h747i-disco/src/stm32_bringup.c b/boards/arm/stm32h7/stm32h747i-disco/src/stm32_bringup.c
index e706c13866..5c3663582b 100644
--- a/boards/arm/stm32h7/stm32h747i-disco/src/stm32_bringup.c
+++ b/boards/arm/stm32h7/stm32h747i-disco/src/stm32_bringup.c
@@ -217,4 +217,3 @@ int stm32_bringup(void)
 
   return OK;
 }
-
diff --git a/boards/arm/stm32l4/b-l475e-iot01a/src/stm32_timer.c b/boards/arm/stm32l4/b-l475e-iot01a/src/stm32_timer.c
index d5d9202b32..5268c5c94f 100644
--- a/boards/arm/stm32l4/b-l475e-iot01a/src/stm32_timer.c
+++ b/boards/arm/stm32l4/b-l475e-iot01a/src/stm32_timer.c
@@ -120,7 +120,7 @@ int stm32l4_timer_driver_setup(void)
       syslog(LOG_ERR, "ERROR: Failed to setup TIM6 at /dev/timer5: %d\n",
             ret);
     }
-    
+
 #endif
 #ifdef CONFIG_STM32L4_TIM7
   ret = stm32l4_timer_initialize("/dev/timer6", 7);
diff --git a/boards/arm/stm32l4/nucleo-l432kc/scripts/Make.defs b/boards/arm/stm32l4/nucleo-l432kc/scripts/Make.defs
index a70a4948cd..e3a2306b9a 100644
--- a/boards/arm/stm32l4/nucleo-l432kc/scripts/Make.defs
+++ b/boards/arm/stm32l4/nucleo-l432kc/scripts/Make.defs
@@ -110,4 +110,3 @@ HOSTCC = gcc
 HOSTINCLUDES = -I.
 HOSTCFLAGS = -Wall -Wstrict-prototypes -Wshadow -Wundef -g -pipe
 HOSTLDFLAGS =
-
diff --git a/boards/arm/stm32l4/nucleo-l432kc/src/stm32_at45db.c b/boards/arm/stm32l4/nucleo-l432kc/src/stm32_at45db.c
index 7f9c86d474..c1454bd056 100644
--- a/boards/arm/stm32l4/nucleo-l432kc/src/stm32_at45db.c
+++ b/boards/arm/stm32l4/nucleo-l432kc/src/stm32_at45db.c
@@ -99,7 +99,7 @@ int stm32_at45dbinitialize(int minor)
           ferr("ERROR: Failed to initialize SPI port %d\n", AT45DB_SPI_PORT);
           return -ENODEV;
         }
-      
+
       mtd = at45db_initialize(spi);
       if (mtd == NULL)
         {
@@ -131,7 +131,7 @@ int stm32_at45dbinitialize(int minor)
 
       /* Now we are initialized */
 
-      initialized = true;    
+      initialized = true;
     }
 
   return OK;
diff --git a/boards/arm/stm32l4/nucleo-l452re/README.txt b/boards/arm/stm32l4/nucleo-l452re/README.txt
index 58b3612924..4b0749db5e 100644
--- a/boards/arm/stm32l4/nucleo-l452re/README.txt
+++ b/boards/arm/stm32l4/nucleo-l452re/README.txt
@@ -266,4 +266,3 @@ Configurations
 
     Configures the NuttShell (nsh) located at examples/nsh.  This
     configuration is focused on low level, command-line driver testing.
-
diff --git a/boards/arm/stm32l4/nucleo-l452re/scripts/Make.defs b/boards/arm/stm32l4/nucleo-l452re/scripts/Make.defs
index b1cbe81492..8ce1caa593 100644
--- a/boards/arm/stm32l4/nucleo-l452re/scripts/Make.defs
+++ b/boards/arm/stm32l4/nucleo-l452re/scripts/Make.defs
@@ -110,4 +110,3 @@ HOSTCC = gcc
 HOSTINCLUDES = -I.
 HOSTCFLAGS = -Wall -Wstrict-prototypes -Wshadow -Wundef -g -pipe
 HOSTLDFLAGS =
-
diff --git a/boards/arm/stm32l4/nucleo-l476rg/scripts/Make.defs b/boards/arm/stm32l4/nucleo-l476rg/scripts/Make.defs
index 832cd4b0bd..0a12da6b84 100644
--- a/boards/arm/stm32l4/nucleo-l476rg/scripts/Make.defs
+++ b/boards/arm/stm32l4/nucleo-l476rg/scripts/Make.defs
@@ -133,4 +133,3 @@ HOSTCC = gcc
 HOSTINCLUDES = -I.
 HOSTCFLAGS = -Wall -Wstrict-prototypes -Wshadow -Wundef -g -pipe
 HOSTLDFLAGS =
-
diff --git a/boards/arm/stm32l4/nucleo-l476rg/src/stm32_appinit.c b/boards/arm/stm32l4/nucleo-l476rg/src/stm32_appinit.c
index f6840b97a2..34d1b00034 100644
--- a/boards/arm/stm32l4/nucleo-l476rg/src/stm32_appinit.c
+++ b/boards/arm/stm32l4/nucleo-l476rg/src/stm32_appinit.c
@@ -430,7 +430,7 @@ int board_app_initialize(uintptr_t arg)
     {
       serr("ERROR: Failed to initialize LSM303AGR driver: %d\n", ret);
     }
-#endif    
+#endif
 
 #ifdef CONFIG_DEV_GPIO
   ret = stm32l4_gpio_initialize();
diff --git a/boards/arm/stm32l4/nucleo-l496zg/README.txt b/boards/arm/stm32l4/nucleo-l496zg/README.txt
index 1d480e8e43..e5b7de776d 100644
--- a/boards/arm/stm32l4/nucleo-l496zg/README.txt
+++ b/boards/arm/stm32l4/nucleo-l496zg/README.txt
@@ -342,4 +342,3 @@ nsh:
      the Virtual COM port) I have done all testing with the console
      device configured for USART3 (see instruction above under "Serial
      Consoles).
-
diff --git a/boards/arm/stm32l4/nucleo-l496zg/scripts/Make.defs b/boards/arm/stm32l4/nucleo-l496zg/scripts/Make.defs
index 32a5bf24e8..5e898661e4 100644
--- a/boards/arm/stm32l4/nucleo-l496zg/scripts/Make.defs
+++ b/boards/arm/stm32l4/nucleo-l496zg/scripts/Make.defs
@@ -110,4 +110,3 @@ HOSTCC = gcc
 HOSTINCLUDES = -I.
 HOSTCFLAGS = -Wall -Wstrict-prototypes -Wshadow -Wundef -g -pipe
 HOSTLDFLAGS =
-
diff --git a/boards/arm/stm32l4/stm32l476-mdk/scripts/Make.defs b/boards/arm/stm32l4/stm32l476-mdk/scripts/Make.defs
index bc45c75392..00cdf54f01 100644
--- a/boards/arm/stm32l4/stm32l476-mdk/scripts/Make.defs
+++ b/boards/arm/stm32l4/stm32l476-mdk/scripts/Make.defs
@@ -110,4 +110,3 @@ HOSTCC = gcc
 HOSTINCLUDES = -I.
 HOSTCFLAGS = -Wall -Wstrict-prototypes -Wshadow -Wundef -g -pipe
 HOSTLDFLAGS =
-
diff --git a/boards/arm/stm32l4/stm32l476vg-disco/include/rcS.template b/boards/arm/stm32l4/stm32l476vg-disco/include/rcS.template
index ba8d905ae4..1e5059e749 100644
--- a/boards/arm/stm32l4/stm32l476vg-disco/include/rcS.template
+++ b/boards/arm/stm32l4/stm32l476vg-disco/include/rcS.template
@@ -1,3 +1,2 @@
 # sample rcS file; you must run tools/genromfs <nuttx dir> from within this
 # location to convert this file to nsh_romfsimg.h for inclusion in the build
-
diff --git a/boards/arm/stm32l4/stm32l476vg-disco/kernel/.gitignore b/boards/arm/stm32l4/stm32l476vg-disco/kernel/.gitignore
index 7bacd5aee3..324b8d53ba 100644
--- a/boards/arm/stm32l4/stm32l476vg-disco/kernel/.gitignore
+++ b/boards/arm/stm32l4/stm32l476vg-disco/kernel/.gitignore
@@ -1,2 +1 @@
 /nuttx_user.elf
-
diff --git a/boards/arm/stm32l4/stm32l476vg-disco/scripts/Make.defs b/boards/arm/stm32l4/stm32l476vg-disco/scripts/Make.defs
index 7ca1f1e430..947b96be93 100644
--- a/boards/arm/stm32l4/stm32l476vg-disco/scripts/Make.defs
+++ b/boards/arm/stm32l4/stm32l476vg-disco/scripts/Make.defs
@@ -114,4 +114,3 @@ HOSTCC = gcc
 HOSTINCLUDES = -I.
 HOSTCFLAGS = -Wall -Wstrict-prototypes -Wshadow -Wundef -g -pipe
 HOSTLDFLAGS =
-
diff --git a/boards/arm/stm32l4/stm32l4r9ai-disco/include/rcS.template b/boards/arm/stm32l4/stm32l4r9ai-disco/include/rcS.template
index ba8d905ae4..1e5059e749 100644
--- a/boards/arm/stm32l4/stm32l4r9ai-disco/include/rcS.template
+++ b/boards/arm/stm32l4/stm32l4r9ai-disco/include/rcS.template
@@ -1,3 +1,2 @@
 # sample rcS file; you must run tools/genromfs <nuttx dir> from within this
 # location to convert this file to nsh_romfsimg.h for inclusion in the build
-
diff --git a/boards/arm/stm32l4/stm32l4r9ai-disco/kernel/.gitignore b/boards/arm/stm32l4/stm32l4r9ai-disco/kernel/.gitignore
index 7bacd5aee3..324b8d53ba 100644
--- a/boards/arm/stm32l4/stm32l4r9ai-disco/kernel/.gitignore
+++ b/boards/arm/stm32l4/stm32l4r9ai-disco/kernel/.gitignore
@@ -1,2 +1 @@
 /nuttx_user.elf
-
diff --git a/boards/arm/stm32l4/stm32l4r9ai-disco/scripts/Make.defs b/boards/arm/stm32l4/stm32l4r9ai-disco/scripts/Make.defs
index 0a59cb4df3..d49297e808 100644
--- a/boards/arm/stm32l4/stm32l4r9ai-disco/scripts/Make.defs
+++ b/boards/arm/stm32l4/stm32l4r9ai-disco/scripts/Make.defs
@@ -114,4 +114,3 @@ HOSTCC = gcc
 HOSTINCLUDES = -I.
 HOSTCFLAGS = -Wall -Wstrict-prototypes -Wshadow -Wundef -g -pipe
 HOSTLDFLAGS =
-
diff --git a/boards/arm/str71x/olimex-strp711/scripts/oocd_flash.script b/boards/arm/str71x/olimex-strp711/scripts/oocd_flash.script
index 111a785b5e..44b24268f3 100644
--- a/boards/arm/str71x/olimex-strp711/scripts/oocd_flash.script
+++ b/boards/arm/str71x/olimex-strp711/scripts/oocd_flash.script
@@ -23,4 +23,3 @@ flash write 0 nuttx.bin 0x0
 reset run
 sleep 10
 shutdown
-
diff --git a/boards/arm/str71x/olimex-strp711/scripts/oocd_wiggler.cfg b/boards/arm/str71x/olimex-strp711/scripts/oocd_wiggler.cfg
index ece900669a..263f4c302e 100644
--- a/boards/arm/str71x/olimex-strp711/scripts/oocd_wiggler.cfg
+++ b/boards/arm/str71x/olimex-strp711/scripts/oocd_wiggler.cfg
@@ -43,4 +43,3 @@ working_area 0 0x2000C000 0x4000 nobackup
 # Flash bank str7x <base> <size> 0 0 <target#> <variant>
 flash bank str7x 0x40000000 0x00040000 0 0 0 STR71x
 flash bank str7x 0x400C0000 0x00004000 0 0 0 STR71x
-
diff --git a/boards/arm/tiva/dk-tm4c129x/scripts/Make.defs b/boards/arm/tiva/dk-tm4c129x/scripts/Make.defs
index 94b5270d22..bcf64a51ee 100644
--- a/boards/arm/tiva/dk-tm4c129x/scripts/Make.defs
+++ b/boards/arm/tiva/dk-tm4c129x/scripts/Make.defs
@@ -109,4 +109,3 @@ HOSTCC = gcc
 HOSTINCLUDES = -I.
 HOSTCFLAGS = -Wall -Wstrict-prototypes -Wshadow -Wundef -g -pipe
 HOSTLDFLAGS =
-
diff --git a/boards/arm/tiva/dk-tm4c129x/tools/oocd.sh b/boards/arm/tiva/dk-tm4c129x/tools/oocd.sh
index 2cbc9abd64..ad0281ffd7 100755
--- a/boards/arm/tiva/dk-tm4c129x/tools/oocd.sh
+++ b/boards/arm/tiva/dk-tm4c129x/tools/oocd.sh
@@ -55,4 +55,3 @@ ${OPENOCD_EXE} ${OPENOCD_ARGS} &
 echo "OpenOCD daemon started"
 ps -ef | grep openocd
 echo "In GDB: target remote localhost:3333"
-
diff --git a/boards/arm/tiva/eagle100/README.txt b/boards/arm/tiva/eagle100/README.txt
index 6f6e996d26..b31e262869 100644
--- a/boards/arm/tiva/eagle100/README.txt
+++ b/boards/arm/tiva/eagle100/README.txt
@@ -281,5 +281,3 @@ Configuration Sub-Directories
   By default, all of these examples are built to be used with the Luminary
   Ethernet Bootloader (you can change the ld.script file in any of these
   sub-directories to change that configuration).
-
-
diff --git a/boards/arm/tiva/eagle100/scripts/Make.defs b/boards/arm/tiva/eagle100/scripts/Make.defs
index 35b6eef2b3..43093e4e3d 100644
--- a/boards/arm/tiva/eagle100/scripts/Make.defs
+++ b/boards/arm/tiva/eagle100/scripts/Make.defs
@@ -108,4 +108,3 @@ HOSTCC = gcc
 HOSTINCLUDES = -I.
 HOSTCFLAGS = -Wall -Wstrict-prototypes -Wshadow -Wundef -g -pipe
 HOSTLDFLAGS =
-
diff --git a/boards/arm/tiva/ekk-lm3s9b96/README.txt b/boards/arm/tiva/ekk-lm3s9b96/README.txt
index 0f14eee8d2..b63c50474d 100644
--- a/boards/arm/tiva/ekk-lm3s9b96/README.txt
+++ b/boards/arm/tiva/ekk-lm3s9b96/README.txt
@@ -202,4 +202,3 @@ Where <subdir> is one of the following:
     Otherwise, the NSH prompt will not come up because the Ethernet
     driver is waiting for the network to come up.  That is probably
     a bug in the Ethernet driver behavior!
-
diff --git a/boards/arm/tiva/ekk-lm3s9b96/scripts/Make.defs b/boards/arm/tiva/ekk-lm3s9b96/scripts/Make.defs
index 834fdfcba4..ee2b074297 100644
--- a/boards/arm/tiva/ekk-lm3s9b96/scripts/Make.defs
+++ b/boards/arm/tiva/ekk-lm3s9b96/scripts/Make.defs
@@ -110,4 +110,3 @@ HOSTCC = gcc
 HOSTINCLUDES = -I.
 HOSTCFLAGS = -Wall -Wstrict-prototypes -Wshadow -Wundef -g -pipe
 HOSTLDFLAGS =
-
diff --git a/boards/arm/tiva/launchxl-cc1310/README.txt b/boards/arm/tiva/launchxl-cc1310/README.txt
index 2e5cf0370b..9fc06affd0 100644
--- a/boards/arm/tiva/launchxl-cc1310/README.txt
+++ b/boards/arm/tiva/launchxl-cc1310/README.txt
@@ -101,4 +101,3 @@ Using J-Link
 
   The RXD/TXD pins. PA0/U0RX and PA1/U0TX, can then support a Serial console
   using the appropriate TTL adapter (TTL to RS-232 or TTL to USB serial).
-
diff --git a/boards/arm/tiva/launchxl-cc1310/scripts/Make.defs b/boards/arm/tiva/launchxl-cc1310/scripts/Make.defs
index 118523ba3c..a2cba5d48f 100644
--- a/boards/arm/tiva/launchxl-cc1310/scripts/Make.defs
+++ b/boards/arm/tiva/launchxl-cc1310/scripts/Make.defs
@@ -122,4 +122,3 @@ HOSTCC = gcc
 HOSTINCLUDES = -I.
 HOSTCFLAGS = -Wall -Wstrict-prototypes -Wshadow -Wundef -g -pipe
 HOSTLDFLAGS =
-
diff --git a/boards/arm/tiva/launchxl-cc1312r1/scripts/Make.defs b/boards/arm/tiva/launchxl-cc1312r1/scripts/Make.defs
index 2117868381..e63ad3cc0a 100644
--- a/boards/arm/tiva/launchxl-cc1312r1/scripts/Make.defs
+++ b/boards/arm/tiva/launchxl-cc1312r1/scripts/Make.defs
@@ -126,4 +126,3 @@ HOSTCC = gcc
 HOSTINCLUDES = -I.
 HOSTCFLAGS = -Wall -Wstrict-prototypes -Wshadow -Wundef -g -pipe
 HOSTLDFLAGS =
-
diff --git a/boards/arm/tiva/lm3s6432-s2e/scripts/Make.defs b/boards/arm/tiva/lm3s6432-s2e/scripts/Make.defs
index 08b2b50485..bada8d56e0 100644
--- a/boards/arm/tiva/lm3s6432-s2e/scripts/Make.defs
+++ b/boards/arm/tiva/lm3s6432-s2e/scripts/Make.defs
@@ -109,4 +109,3 @@ HOSTCC = gcc
 HOSTINCLUDES = -I.
 HOSTCFLAGS = -Wall -Wstrict-prototypes -Wshadow -Wundef -g -pipe
 HOSTLDFLAGS =
-
diff --git a/boards/arm/tiva/lm3s6965-ek/scripts/Make.defs b/boards/arm/tiva/lm3s6965-ek/scripts/Make.defs
index 69da70175e..a9e59de07a 100644
--- a/boards/arm/tiva/lm3s6965-ek/scripts/Make.defs
+++ b/boards/arm/tiva/lm3s6965-ek/scripts/Make.defs
@@ -109,4 +109,3 @@ HOSTCC = gcc
 HOSTINCLUDES = -I.
 HOSTCFLAGS = -Wall -Wstrict-prototypes -Wshadow -Wundef -g -pipe
 HOSTLDFLAGS =
-
diff --git a/boards/arm/tiva/lm3s6965-ek/tools/lm3s6965-ek.cfg b/boards/arm/tiva/lm3s6965-ek/tools/lm3s6965-ek.cfg
index a82aa4cb9e..86cb163b66 100644
--- a/boards/arm/tiva/lm3s6965-ek/tools/lm3s6965-ek.cfg
+++ b/boards/arm/tiva/lm3s6965-ek/tools/lm3s6965-ek.cfg
@@ -94,7 +94,7 @@ source [find mem_helper.tcl]
 $_TARGETNAME configure -event reset-start {
 	adapter_khz 500
 
-	#	
+	#
 	# When nRST is asserted on most Stellaris devices, it clears some of
 	# the debug state.  The ARMv7M and Cortex-M3 TRMs say that's wrong;
 	# and OpenOCD depends on those TRMs.  So we won't use SRST on those
@@ -128,4 +128,3 @@ $_TARGETNAME configure -event reset-start {
 
 # flash configuration ... autodetects sizes, autoprobed
 flash bank $_CHIPNAME.flash stellaris 0 0 0 0 $_TARGETNAME
-
diff --git a/boards/arm/tiva/lm3s6965-ek/tools/oocd.sh b/boards/arm/tiva/lm3s6965-ek/tools/oocd.sh
index 64fca16c38..5d8a9ba127 100755
--- a/boards/arm/tiva/lm3s6965-ek/tools/oocd.sh
+++ b/boards/arm/tiva/lm3s6965-ek/tools/oocd.sh
@@ -55,4 +55,3 @@ ${OPENOCD_EXE} ${OPENOCD_ARGS} &
 echo "OpenOCD daemon started"
 ps -ef | grep openocd
 echo "In GDB: target remote localhost:3333"
-
diff --git a/boards/arm/tiva/lm3s8962-ek/scripts/Make.defs b/boards/arm/tiva/lm3s8962-ek/scripts/Make.defs
index 556599043d..6e627d0727 100644
--- a/boards/arm/tiva/lm3s8962-ek/scripts/Make.defs
+++ b/boards/arm/tiva/lm3s8962-ek/scripts/Make.defs
@@ -109,4 +109,3 @@ HOSTCC = gcc
 HOSTINCLUDES = -I.
 HOSTCFLAGS = -Wall -Wstrict-prototypes -Wshadow -Wundef -g -pipe
 HOSTLDFLAGS =
-
diff --git a/boards/arm/tiva/lm4f120-launchpad/scripts/Make.defs b/boards/arm/tiva/lm4f120-launchpad/scripts/Make.defs
index 525cc1fb9f..3cfdb2ceae 100644
--- a/boards/arm/tiva/lm4f120-launchpad/scripts/Make.defs
+++ b/boards/arm/tiva/lm4f120-launchpad/scripts/Make.defs
@@ -109,4 +109,3 @@ HOSTCC = gcc
 HOSTINCLUDES = -I.
 HOSTCFLAGS = -Wall -Wstrict-prototypes -Wshadow -Wundef -g -pipe
 HOSTLDFLAGS =
-
diff --git a/boards/arm/tiva/lm4f120-launchpad/tools/lm4f120-launchpad.cfg b/boards/arm/tiva/lm4f120-launchpad/tools/lm4f120-launchpad.cfg
index a4fa62f0aa..fd1ce8611a 100644
--- a/boards/arm/tiva/lm4f120-launchpad/tools/lm4f120-launchpad.cfg
+++ b/boards/arm/tiva/lm4f120-launchpad/tools/lm4f120-launchpad.cfg
@@ -68,4 +68,3 @@ $_TARGETNAME configure -work-area-phys 0x20000000 -work-area-size $_WORKAREASIZE
 
 # flash configuration ... autodetects sizes, autoprobed
 flash bank $_CHIPNAME.flash stellaris 0 0 0 0 $_TARGETNAME
-
diff --git a/boards/arm/tiva/lm4f120-launchpad/tools/oocd.sh b/boards/arm/tiva/lm4f120-launchpad/tools/oocd.sh
index 80f72afdd1..d7726bdd42 100755
--- a/boards/arm/tiva/lm4f120-launchpad/tools/oocd.sh
+++ b/boards/arm/tiva/lm4f120-launchpad/tools/oocd.sh
@@ -55,4 +55,3 @@ ${OPENOCD_EXE} ${OPENOCD_ARGS} &
 echo "OpenOCD daemon started"
 ps -ef | grep openocd
 echo "In GDB: target remote localhost:3333"
-
diff --git a/boards/arm/tiva/tm4c123g-launchpad/scripts/Make.defs b/boards/arm/tiva/tm4c123g-launchpad/scripts/Make.defs
index e121524e9b..60038b09a6 100644
--- a/boards/arm/tiva/tm4c123g-launchpad/scripts/Make.defs
+++ b/boards/arm/tiva/tm4c123g-launchpad/scripts/Make.defs
@@ -109,4 +109,3 @@ HOSTCC = gcc
 HOSTINCLUDES = -I.
 HOSTCFLAGS = -Wall -Wstrict-prototypes -Wshadow -Wundef -g -pipe
 HOSTLDFLAGS =
-
diff --git a/boards/arm/tiva/tm4c123g-launchpad/src/tm4c_bringup.c b/boards/arm/tiva/tm4c123g-launchpad/src/tm4c_bringup.c
index ed414e7b22..9580be10f3 100644
--- a/boards/arm/tiva/tm4c123g-launchpad/src/tm4c_bringup.c
+++ b/boards/arm/tiva/tm4c123g-launchpad/src/tm4c_bringup.c
@@ -109,4 +109,3 @@ int tm4c_bringup(void)
   UNUSED(ret);
   return ret;
 }
-
diff --git a/boards/arm/tiva/tm4c123g-launchpad/src/tm4c_ssi.c b/boards/arm/tiva/tm4c123g-launchpad/src/tm4c_ssi.c
index 8041740cc5..b5d57ca76e 100644
--- a/boards/arm/tiva/tm4c123g-launchpad/src/tm4c_ssi.c
+++ b/boards/arm/tiva/tm4c123g-launchpad/src/tm4c_ssi.c
@@ -125,4 +125,3 @@ uint8_t tiva_ssistatus(FAR struct spi_dev_s *dev, uint32_t devid)
 }
 
 #endif /* CONFIG_TIVA_SSI0 || CONFIG_TIVA_SSI1 */
-
diff --git a/boards/arm/tiva/tm4c123g-launchpad/tools/oocd.sh b/boards/arm/tiva/tm4c123g-launchpad/tools/oocd.sh
index 8b6434de0b..3ffd6ec9a6 100755
--- a/boards/arm/tiva/tm4c123g-launchpad/tools/oocd.sh
+++ b/boards/arm/tiva/tm4c123g-launchpad/tools/oocd.sh
@@ -55,4 +55,3 @@ ${OPENOCD_EXE} ${OPENOCD_ARGS} &
 echo "OpenOCD daemon started"
 ps -ef | grep openocd
 echo "In GDB: target remote localhost:3333"
-
diff --git a/boards/arm/tiva/tm4c123g-launchpad/tools/tm4c123g-launchpad.cfg b/boards/arm/tiva/tm4c123g-launchpad/tools/tm4c123g-launchpad.cfg
index 62fe9812b5..f7b7d9f762 100644
--- a/boards/arm/tiva/tm4c123g-launchpad/tools/tm4c123g-launchpad.cfg
+++ b/boards/arm/tiva/tm4c123g-launchpad/tools/tm4c123g-launchpad.cfg
@@ -9,4 +9,3 @@ source [find interface/ti-icdi.cfg]
 set WORKAREASIZE 0x8000
 set CHIPNAME tm4c123gh6pm
 source [find target/stellaris_icdi.cfg]
-
diff --git a/boards/arm/tiva/tm4c1294-launchpad/scripts/Make.defs b/boards/arm/tiva/tm4c1294-launchpad/scripts/Make.defs
index 388330b2b0..a2cc3ee0a0 100644
--- a/boards/arm/tiva/tm4c1294-launchpad/scripts/Make.defs
+++ b/boards/arm/tiva/tm4c1294-launchpad/scripts/Make.defs
@@ -109,4 +109,3 @@ HOSTCC = gcc
 HOSTINCLUDES = -I.
 HOSTCFLAGS = -Wall -Wstrict-prototypes -Wshadow -Wundef -g -pipe
 HOSTLDFLAGS =
-
diff --git a/boards/arm/tms570/launchxl-tms57004/scripts/Make.defs b/boards/arm/tms570/launchxl-tms57004/scripts/Make.defs
index 56868ff157..44eb535fc7 100644
--- a/boards/arm/tms570/launchxl-tms57004/scripts/Make.defs
+++ b/boards/arm/tms570/launchxl-tms57004/scripts/Make.defs
@@ -136,4 +136,3 @@ else
   # Linux/Cygwin-native host tools
   MKDEP = $(TOPDIR)$(DELIM)tools$(DELIM)mkdeps$(HOSTEXEEXT)
 endif
-
diff --git a/boards/arm/xmc4/xmc4500-relax/scripts/Make.defs b/boards/arm/xmc4/xmc4500-relax/scripts/Make.defs
index cb9bda471d..fd7b82d53f 100644
--- a/boards/arm/xmc4/xmc4500-relax/scripts/Make.defs
+++ b/boards/arm/xmc4/xmc4500-relax/scripts/Make.defs
@@ -122,4 +122,3 @@ HOSTCC = gcc
 HOSTINCLUDES = -I.
 HOSTCFLAGS = -Wall -Wstrict-prototypes -Wshadow -Wundef -g -pipe
 HOSTLDFLAGS =
-
diff --git a/boards/arm/xmc4/xmc4500-relax/src/xmc4_boot.c b/boards/arm/xmc4/xmc4500-relax/src/xmc4_boot.c
index 616709dc9b..6774a99499 100644
--- a/boards/arm/xmc4/xmc4500-relax/src/xmc4_boot.c
+++ b/boards/arm/xmc4/xmc4500-relax/src/xmc4_boot.c
@@ -93,4 +93,3 @@ void board_late_initialize(void)
   xmc4_bringup();
 }
 #endif /* CONFIG_BOARD_LATE_INITIALIZE */
-
diff --git a/boards/arm/xmc4/xmc4500-relax/src/xmc4_max6675.c b/boards/arm/xmc4/xmc4500-relax/src/xmc4_max6675.c
index 823dce1564..2a689eac13 100644
--- a/boards/arm/xmc4/xmc4500-relax/src/xmc4_max6675.c
+++ b/boards/arm/xmc4/xmc4500-relax/src/xmc4_max6675.c
@@ -98,4 +98,3 @@ int xmc4_max6675initialize(FAR const char *devpath)
 }
 
 #endif /* CONFIG_SPI && CONFIG_SENSORS_MAX6675 */
-
diff --git a/boards/avr/at32uc3/avr32dev1/Kconfig b/boards/avr/at32uc3/avr32dev1/Kconfig
index 1337201975..07b603e118 100644
--- a/boards/avr/at32uc3/avr32dev1/Kconfig
+++ b/boards/avr/at32uc3/avr32dev1/Kconfig
@@ -5,4 +5,3 @@
 
 if ARCH_BOARD_AVR32DEV1
 endif
-
diff --git a/boards/avr/at32uc3/avr32dev1/scripts/Make.defs b/boards/avr/at32uc3/avr32dev1/scripts/Make.defs
index c1a3e39076..72bfd6b9b7 100644
--- a/boards/avr/at32uc3/avr32dev1/scripts/Make.defs
+++ b/boards/avr/at32uc3/avr32dev1/scripts/Make.defs
@@ -105,4 +105,3 @@ HOSTCC = gcc
 HOSTINCLUDES = -I.
 HOSTCFLAGS = -Wall -Wstrict-prototypes -Wshadow -Wundef -g -pipe
 HOSTLDFLAGS =
-
diff --git a/boards/avr/at32uc3/avr32dev1/scripts/avr32dev1.ld b/boards/avr/at32uc3/avr32dev1/scripts/avr32dev1.ld
index 8166de4838..1829551116 100644
--- a/boards/avr/at32uc3/avr32dev1/scripts/avr32dev1.ld
+++ b/boards/avr/at32uc3/avr32dev1/scripts/avr32dev1.ld
@@ -104,4 +104,3 @@ SECTIONS
     .debug_pubnames 0 : { *(.debug_pubnames) }
     .debug_aranges 0 : { *(.debug_aranges) }
 }
-
diff --git a/boards/avr/at90usb/micropendous3/scripts/Make.defs b/boards/avr/at90usb/micropendous3/scripts/Make.defs
index adc56bbab4..13c4489818 100644
--- a/boards/avr/at90usb/micropendous3/scripts/Make.defs
+++ b/boards/avr/at90usb/micropendous3/scripts/Make.defs
@@ -97,4 +97,3 @@ HOSTCC = gcc
 HOSTINCLUDES = -I.
 HOSTCFLAGS = -Wall -Wstrict-prototypes -Wshadow -Wundef -g -pipe
 HOSTLDFLAGS =
-
diff --git a/boards/avr/at90usb/teensy-2.0/README.txt b/boards/avr/at90usb/teensy-2.0/README.txt
index a4967c758f..777b04fe75 100644
--- a/boards/avr/at90usb/teensy-2.0/README.txt
+++ b/boards/avr/at90usb/teensy-2.0/README.txt
@@ -566,4 +566,3 @@ Configuration Sub-Directories
     much SRAM for the system to behave sanely.  A lower memory footprint
     version of the mass storage driver will be required before this can
     be debugged.
-
diff --git a/boards/avr/at90usb/teensy-2.0/scripts/Make.defs b/boards/avr/at90usb/teensy-2.0/scripts/Make.defs
index f99f321716..032d898f85 100644
--- a/boards/avr/at90usb/teensy-2.0/scripts/Make.defs
+++ b/boards/avr/at90usb/teensy-2.0/scripts/Make.defs
@@ -99,4 +99,3 @@ HOSTCC = gcc
 HOSTINCLUDES = -I.
 HOSTCFLAGS = -Wall -Wstrict-prototypes -Wshadow -Wundef -g -pipe
 HOSTLDFLAGS =
-
diff --git a/boards/avr/atmega/amber/scripts/Make.defs b/boards/avr/atmega/amber/scripts/Make.defs
index 5ec55d1ada..8c94dfdc53 100644
--- a/boards/avr/atmega/amber/scripts/Make.defs
+++ b/boards/avr/atmega/amber/scripts/Make.defs
@@ -97,4 +97,3 @@ HOSTCC = gcc
 HOSTINCLUDES = -I.
 HOSTCFLAGS = -Wall -Wstrict-prototypes -Wshadow -Wundef -g -pipe
 HOSTLDFLAGS =
-
diff --git a/boards/avr/atmega/arduino-mega2560/scripts/Make.defs b/boards/avr/atmega/arduino-mega2560/scripts/Make.defs
index 73e5843643..020edc9f49 100644
--- a/boards/avr/atmega/arduino-mega2560/scripts/Make.defs
+++ b/boards/avr/atmega/arduino-mega2560/scripts/Make.defs
@@ -99,4 +99,3 @@ HOSTCC = gcc
 HOSTINCLUDES = -I.
 HOSTCFLAGS = -Wall -Wstrict-prototypes -Wshadow -Wundef -g -pipe
 HOSTLDFLAGS =
-
diff --git a/boards/avr/atmega/moteino-mega/scripts/Make.defs b/boards/avr/atmega/moteino-mega/scripts/Make.defs
index c0b778f960..dcdebae850 100644
--- a/boards/avr/atmega/moteino-mega/scripts/Make.defs
+++ b/boards/avr/atmega/moteino-mega/scripts/Make.defs
@@ -97,4 +97,3 @@ HOSTCC = gcc
 HOSTINCLUDES = -I.
 HOSTCFLAGS = -Wall -Wstrict-prototypes -Wshadow -Wundef -g -pipe
 HOSTLDFLAGS =
-
diff --git a/boards/dummy/.gitignore b/boards/dummy/.gitignore
index 99f41601fd..9e1d2593ee 100644
--- a/boards/dummy/.gitignore
+++ b/boards/dummy/.gitignore
@@ -1,2 +1 @@
 /Kconfig
-
diff --git a/boards/dummy/dummy_kconfig b/boards/dummy/dummy_kconfig
index 18c7905aed..f72f3c094c 100644
--- a/boards/dummy/dummy_kconfig
+++ b/boards/dummy/dummy_kconfig
@@ -2,4 +2,3 @@
 # For a description of the syntax of this configuration file,
 # see the file kconfig-language.txt in the NuttX tools repository.
 #
-
diff --git a/boards/hc/m9s12/demo9s12ne64/Kconfig b/boards/hc/m9s12/demo9s12ne64/Kconfig
index b18dd36204..e056a0f1fd 100644
--- a/boards/hc/m9s12/demo9s12ne64/Kconfig
+++ b/boards/hc/m9s12/demo9s12ne64/Kconfig
@@ -5,4 +5,3 @@
 
 if ARCH_BOARD_DEMOS92S12NEC64
 endif
-
diff --git a/boards/hc/m9s12/demo9s12ne64/README.txt b/boards/hc/m9s12/demo9s12ne64/README.txt
index 24f20933cb..a87d159ccd 100644
--- a/boards/hc/m9s12/demo9s12ne64/README.txt
+++ b/boards/hc/m9s12/demo9s12ne64/README.txt
@@ -383,4 +383,3 @@ Configuration Sub-Directories
 
     This configuration directory, performs a simple OS test using
     examples/ostest.
-
diff --git a/boards/hc/m9s12/demo9s12ne64/scripts/Make.defs b/boards/hc/m9s12/demo9s12ne64/scripts/Make.defs
index 647806c761..51a0ad412f 100644
--- a/boards/hc/m9s12/demo9s12ne64/scripts/Make.defs
+++ b/boards/hc/m9s12/demo9s12ne64/scripts/Make.defs
@@ -126,4 +126,3 @@ HOSTCC = gcc
 HOSTINCLUDES = -I.
 HOSTCFLAGS = -Wall -Wstrict-prototypes -Wshadow -Wundef -g -pipe
 HOSTLDFLAGS =
-
diff --git a/boards/hc/m9s12/ne64badge/README.txt b/boards/hc/m9s12/ne64badge/README.txt
index 79ebe693fd..168a052654 100644
--- a/boards/hc/m9s12/ne64badge/README.txt
+++ b/boards/hc/m9s12/ne64badge/README.txt
@@ -490,4 +490,3 @@ Configuration Sub-Directories
 
     This configuration directory, performs a simple OS test using
     examples/ostest.
-
diff --git a/boards/hc/m9s12/ne64badge/scripts/Make.defs b/boards/hc/m9s12/ne64badge/scripts/Make.defs
index ebf6a19385..5fb78af950 100644
--- a/boards/hc/m9s12/ne64badge/scripts/Make.defs
+++ b/boards/hc/m9s12/ne64badge/scripts/Make.defs
@@ -126,4 +126,3 @@ HOSTCC = gcc
 HOSTINCLUDES = -I.
 HOSTCFLAGS = -Wall -Wstrict-prototypes -Wshadow -Wundef -g -pipe
 HOSTLDFLAGS =
-
diff --git a/boards/mips/pic32mx/pic32mx-starterkit/scripts/Make.defs b/boards/mips/pic32mx/pic32mx-starterkit/scripts/Make.defs
index 3ab708d268..880bc92ac4 100644
--- a/boards/mips/pic32mx/pic32mx-starterkit/scripts/Make.defs
+++ b/boards/mips/pic32mx/pic32mx-starterkit/scripts/Make.defs
@@ -114,4 +114,3 @@ HOSTCC = gcc
 HOSTINCLUDES = -I.
 HOSTCFLAGS = -Wall -Wstrict-prototypes -Wshadow -Wundef -g -pipe
 HOSTLDFLAGS =
-
diff --git a/boards/mips/pic32mx/pic32mx7mmb/scripts/Make.defs b/boards/mips/pic32mx/pic32mx7mmb/scripts/Make.defs
index b45172ad94..34a5881eac 100644
--- a/boards/mips/pic32mx/pic32mx7mmb/scripts/Make.defs
+++ b/boards/mips/pic32mx/pic32mx7mmb/scripts/Make.defs
@@ -114,4 +114,3 @@ HOSTCC = gcc
 HOSTINCLUDES = -I.
 HOSTCFLAGS = -Wall -Wstrict-prototypes -Wshadow -Wundef -g -pipe
 HOSTLDFLAGS =
-
diff --git a/boards/mips/pic32mx/pic32mx7mmb/src/pic32_boot.c b/boards/mips/pic32mx/pic32mx7mmb/src/pic32_boot.c
index 9ab223662f..9af92feaca 100644
--- a/boards/mips/pic32mx/pic32mx7mmb/src/pic32_boot.c
+++ b/boards/mips/pic32mx/pic32mx7mmb/src/pic32_boot.c
@@ -123,4 +123,3 @@ void board_late_initialize(void)
   pic32mx_bringup();
 }
 #endif
-
diff --git a/boards/mips/pic32mx/sure-pic32mx/scripts/Make.defs b/boards/mips/pic32mx/sure-pic32mx/scripts/Make.defs
index 29b5efe52a..1a2f8d17dc 100644
--- a/boards/mips/pic32mx/sure-pic32mx/scripts/Make.defs
+++ b/boards/mips/pic32mx/sure-pic32mx/scripts/Make.defs
@@ -114,4 +114,3 @@ HOSTCC = gcc
 HOSTINCLUDES = -I.
 HOSTCFLAGS = -Wall -Wstrict-prototypes -Wshadow -Wundef -g -pipe
 HOSTLDFLAGS =
-
diff --git a/boards/mips/pic32mx/ubw32/scripts/Make.defs b/boards/mips/pic32mx/ubw32/scripts/Make.defs
index 7907dc0201..217c89cd80 100644
--- a/boards/mips/pic32mx/ubw32/scripts/Make.defs
+++ b/boards/mips/pic32mx/ubw32/scripts/Make.defs
@@ -114,4 +114,3 @@ HOSTCC = gcc
 HOSTINCLUDES = -I.
 HOSTCFLAGS = -Wall -Wstrict-prototypes -Wshadow -Wundef -g -pipe
 HOSTLDFLAGS =
-
diff --git a/boards/mips/pic32mz/pic32mz-starterkit/scripts/Make.defs b/boards/mips/pic32mz/pic32mz-starterkit/scripts/Make.defs
index a60e02c1b8..50c3ceb316 100644
--- a/boards/mips/pic32mz/pic32mz-starterkit/scripts/Make.defs
+++ b/boards/mips/pic32mz/pic32mz-starterkit/scripts/Make.defs
@@ -136,4 +136,3 @@ HOSTCC = gcc
 HOSTINCLUDES = -I.
 HOSTCFLAGS = -Wall -Wstrict-prototypes -Wshadow -Wundef -g -pipe
 HOSTLDFLAGS =
-
diff --git a/boards/misoc/lm32/misoc/README.txt b/boards/misoc/lm32/misoc/README.txt
index d47ed056ce..e4d850b8bc 100644
--- a/boards/misoc/lm32/misoc/README.txt
+++ b/boards/misoc/lm32/misoc/README.txt
@@ -75,4 +75,3 @@ boards/misoc/lm32/misoc/include/generated
     $ ln -s boards/misoc/lm32/misoc/include/generated-sample boards/misoc/lm32/misoc/include/generated
 
   That should permit a test build.
-
diff --git a/boards/misoc/lm32/misoc/scripts/Make.defs b/boards/misoc/lm32/misoc/scripts/Make.defs
index 9eadf9fbc7..67beb9dfa5 100644
--- a/boards/misoc/lm32/misoc/scripts/Make.defs
+++ b/boards/misoc/lm32/misoc/scripts/Make.defs
@@ -105,4 +105,3 @@ HOSTCC = gcc
 HOSTINCLUDES = -I.
 HOSTCFLAGS = -Wall -Wstrict-prototypes -Wshadow -Wundef -g -pipe
 HOSTLDFLAGS =
-
diff --git a/boards/misoc/lm32/misoc/scripts/lm32.ld b/boards/misoc/lm32/misoc/scripts/lm32.ld
index 27cd31d4b7..bb1746f116 100644
--- a/boards/misoc/lm32/misoc/scripts/lm32.ld
+++ b/boards/misoc/lm32/misoc/scripts/lm32.ld
@@ -96,4 +96,3 @@ SECTIONS
 }
 
 PROVIDE(_fstack = ORIGIN(main_ram) + LENGTH(main_ram) - 4);
-
diff --git a/boards/misoc/lm32/misoc/scripts/minerva.ld b/boards/misoc/lm32/misoc/scripts/minerva.ld
index d58360ba7a..40b55d7f04 100644
--- a/boards/misoc/lm32/misoc/scripts/minerva.ld
+++ b/boards/misoc/lm32/misoc/scripts/minerva.ld
@@ -101,4 +101,3 @@ SECTIONS
 }
 
 PROVIDE(_fstack = ORIGIN(main_ram) + LENGTH(main_ram) - 4);
-
diff --git a/boards/or1k/mor1kx/or1k/src/.gitignore b/boards/or1k/mor1kx/or1k/src/.gitignore
index 101a872100..04b280c8ba 100644
--- a/boards/or1k/mor1kx/or1k/src/.gitignore
+++ b/boards/or1k/mor1kx/or1k/src/.gitignore
@@ -13,4 +13,3 @@
 /*.mem
 /*.ihx
 /*.hex
-
diff --git a/boards/renesas/m16c/skp16c26/README.txt b/boards/renesas/m16c/skp16c26/README.txt
index 56934c54ed..40774e85c0 100644
--- a/boards/renesas/m16c/skp16c26/README.txt
+++ b/boards/renesas/m16c/skp16c26/README.txt
@@ -108,5 +108,3 @@ Cygwin GCC BUILD NOTES
    the initial GCC build (see above) and once for the final GCC build. For the final GCC
    build, the workaround is the same except that the directory will be
    toolchain_build_m32c/gcc-4.2.4-final/gcc.
-
-
diff --git a/boards/renesas/m16c/skp16c26/scripts/Make.defs b/boards/renesas/m16c/skp16c26/scripts/Make.defs
index de8e7d7fe7..eb22fa8593 100644
--- a/boards/renesas/m16c/skp16c26/scripts/Make.defs
+++ b/boards/renesas/m16c/skp16c26/scripts/Make.defs
@@ -83,4 +83,3 @@ HOSTCC			= gcc
 HOSTINCLUDES		= -I.
 HOSTCFLAGS		= -Wall -Wstrict-prototypes -Wshadow -Wundef -g -pipe
 HOSTLDFLAGS		=
-
diff --git a/boards/renesas/rx65n/rx65n-grrose/README.txt b/boards/renesas/rx65n/rx65n-grrose/README.txt
index 5fd3d81111..eb8cb62619 100644
--- a/boards/renesas/rx65n/rx65n-grrose/README.txt
+++ b/boards/renesas/rx65n/rx65n-grrose/README.txt
@@ -36,9 +36,9 @@ Status/Open Issues
 ==================
 Ethernet
 ---------
-1.Observed instability in Link Management, due to difference in hardware design.(No Seperate Interrupt line for PHY) 
+1.Observed instability in Link Management, due to difference in hardware design.(No Seperate Interrupt line for PHY)
 2.Currently tested only ping and udpblaster application.
-3. Executed long run ping and udpblaster stress test for 12 hrs. Code is able to execute for 12hrs without any breakage. 
+3. Executed long run ping and udpblaster stress test for 12 hrs. Code is able to execute for 12hrs without any breakage.
 
 Serial Console
 ==============
@@ -47,74 +47,74 @@ SCI5 & SCI6).
 
 Please find the pin configurations for SCI0, SCI1, SCI2, SCI5 & SCI6
 
-SCI0 Pin Configuration : 
+SCI0 Pin Configuration :
 
------------ 
-RX65N GRROSE
-  Function    
 -----------
-  P21   RXD0  
-  P20   TXD0  
+RX65N GRROSE
+  Function
+-----------
+  P21   RXD0
+  P20   TXD0
 ------------
 
-SCI1 Pin Configuration : 
+SCI1 Pin Configuration :
 
------------ 
-RX65N GRROSE
-  Function    
 -----------
-  P30   RXD1  
-  P26   TXD1  
+RX65N GRROSE
+  Function
+-----------
+  P30   RXD1
+  P26   TXD1
 ------------
 
-SCI2 Pin Configuration : 
+SCI2 Pin Configuration :
 
------------ 
-RX65N GRROSE
-  Function    
 -----------
-  P12   RXD2  
-  P13   TXD2  
+RX65N GRROSE
+  Function
+-----------
+  P12   RXD2
+  P13   TXD2
 ------------
 
 SCI3 Pin Configuration :
 
------------ 
-RX65N GRROSE
-  Function    (connected to WiFi module)  
 -----------
-  P25   RXD3 
+RX65N GRROSE
+  Function    (connected to WiFi module)
+-----------
+  P25   RXD3
   P23   TXD3
 ------------
-  
-SCI5 Pin Configuration : 
 
------------ 
-RX65N GRROSE
-  Function    
+SCI5 Pin Configuration :
+
 -----------
-  PC2   RXD5  
-  PC3   TXD5  
+RX65N GRROSE
+  Function
+-----------
+  PC2   RXD5
+  PC3   TXD5
 ------------
 
-SCI6 Pin Configuration : 
+SCI6 Pin Configuration :
 
------------ 
-RX65N GRROSE
-  Function    
 -----------
-  P33   RXD6  
-  P32   TXD6  
+RX65N GRROSE
+  Function
+-----------
+  P33   RXD6
+  P32   TXD6
 ------------
 
 SCI8 Pin Configuration :
 
------------ 
-RX65N GRROSE
-  Function   (Half duplication mode with RS485 driver)  
 -----------
-  PC6   RXD8 
-  PC7   TXD8 
+RX65N GRROSE
+  Function   (Half duplication mode with RS485 driver)
+-----------
+  PC6   RXD8
+  PC7   TXD8
   PC5   Direction (L=TX, H=RX)
 
 Serial Connection Configuration
@@ -139,22 +139,22 @@ Networking
 Ethernet Connections
 -----------
 
-  ------        --------- 
-  RX65N 
-  GRROSE        Ethernet  
+  ------        ---------
+  RX65N
+  GRROSE        Ethernet
   Pin           Function
-  ------        --------- 
-  PA4           ET0_MDC   
+  ------        ---------
+  PA4           ET0_MDC
   PA3           ET0_MDIO
   PB2           REF50CK0
   PB7           RMII0_CRS_DV
-  PB1           RMII0_RXD0    
-  PB0           RMII0_RXD1      
-  PB3           RMII0_RX_ER      
-  PB5           RMII0_ETXD0      
-  PB6           RMII0_ETXD1       
+  PB1           RMII0_RXD0
+  PB0           RMII0_RXD1
+  PB3           RMII0_RX_ER
+  PB5           RMII0_ETXD0
+  PB6           RMII0_ETXD1
   PB4           RMII0_TXD_EN
-  PA5           ET0_LINKSTA 
+  PA5           ET0_LINKSTA
   PA6_ET_RST    ETHER reset
   ------         ---------
 NuttX Configurations
@@ -179,9 +179,9 @@ CONFIG_SCHED_LPWORK=y    :  Low Priority Work queue support
 
 Using the network with NSH
 --------------------------
-The IP address is configured using DHCP, using the below mentioned configurations : 
+The IP address is configured using DHCP, using the below mentioned configurations :
 
-The IP address is configured using DHCP, using the below mentioned configurations : 
+The IP address is configured using DHCP, using the below mentioned configurations :
 
 CONFIG_NETUTILS_DHCPC=y
 CONFIG_NETUTILS_DHCPD=y
@@ -209,16 +209,16 @@ target side, you can:
   56 bytes from 10.75.24.250: icmp_seq=9 time=0 ms
   56 bytes from 10.75.24.250: icmp_seq=10 time=0 ms
   10 packets transmitted, 10 received, 0% packet loss, time 10100 ms
-  
+
 On the host side, you should also be able to ping the RX65N-GRROSE:
 
   $ ping 10.75.24.53
 
-Configure UDP blaster application as mentioned below : 
+Configure UDP blaster application as mentioned below :
 
 CONFIG_EXAMPLES_UDPBLASTER_HOSTIP=0x0a4b1801  (10.75.24.1) ------> Gateway IP
 CONFIG_EXAMPLES_UDPBLASTER_NETMASK=0xfffffe00 (255.255.254.0) --------> Netmask
-CONFIG_EXAMPLES_UDPBLASTER_TARGETIP=0x0a4b189b (10.75.24.155) ---------> Target IP 
+CONFIG_EXAMPLES_UDPBLASTER_TARGETIP=0x0a4b189b (10.75.24.155) ---------> Target IP
 Debugging
 ==========
 
@@ -243,12 +243,12 @@ Alternativly, NuttX binary can be flashed using Renesas flash programmer tool wi
 Below are the steps mentioned to flash NuttX binary using Renesas flash programmer tool(RFP).
 
 1.In order to flash using Renesas flash programmer tool, nuttx.mot file should be generated.
-2. Add the following lines in tools/Makefile.unix file : 
+2. Add the following lines in tools/Makefile.unix file :
 ifeq ($(CONFIG_MOTOROLA_SREC),y)
 	@echo "CP: $(NUTTXNAME).mot"
 	$(Q) $(OBJCOPY) $(OBJCOPYARGS) $(BIN) -O srec -I elf32-rx-be-ns $(NUTTXNAME).mot
 endif
-3. Add CONFIG_MOTOROLA_SREC=y in defconfig file or choose make menucofig->Build Setup-> Binary Output Format-> 
+3. Add CONFIG_MOTOROLA_SREC=y in defconfig file or choose make menucofig->Build Setup-> Binary Output Format->
    Select Motorola SREC format.
 4. Download Renesas flash programmer tool from https://www.renesas.com/in/en/products/software-tools/tools/programmer/renesas-flash-programmer-programming-gui.html#downloads
 5. Refer to the user manual document, for steps to flash NuttX binary using RFP tool.
\ No newline at end of file
diff --git a/boards/renesas/rx65n/rx65n-grrose/scripts/Make.defs b/boards/renesas/rx65n/rx65n-grrose/scripts/Make.defs
index 03c2dbef26..e3b3c4bad2 100644
--- a/boards/renesas/rx65n/rx65n-grrose/scripts/Make.defs
+++ b/boards/renesas/rx65n/rx65n-grrose/scripts/Make.defs
@@ -116,4 +116,3 @@ HOSTCC = gcc
 HOSTINCLUDES = -I.
 HOSTCFLAGS = -Wall -Wstrict-prototypes -Wshadow -Wundef -g -pipe
 HOSTLDFLAGS =
-
diff --git a/boards/renesas/rx65n/rx65n-grrose/scripts/linker_script.ld b/boards/renesas/rx65n/rx65n-grrose/scripts/linker_script.ld
index 3bdf1f1665..9d5572d228 100644
--- a/boards/renesas/rx65n/rx65n-grrose/scripts/linker_script.ld
+++ b/boards/renesas/rx65n/rx65n-grrose/scripts/linker_script.ld
@@ -19,7 +19,7 @@ SECTIONS
 		_exvectors_start = .;
 		KEEP(*(.exvectors))
 		_exvectors_end = .;
-	} > ROM 
+	} > ROM
 	.fvectors 0xFFFFFFFC: AT(0xFFFFFFFC)
 	{
 		KEEP(*(.fvectors))
@@ -44,7 +44,7 @@ SECTIONS
 		KEEP(*(.rvectors))
 		_rvectors_end = .;
 	} > ROM
-	/*.exvectors : 
+	/*.exvectors :
 	{
 		_exvectors_start = .;
 		KEEP(*(.exvectors))
diff --git a/boards/renesas/rx65n/rx65n-rsk1mb/scripts/Make.defs b/boards/renesas/rx65n/rx65n-rsk1mb/scripts/Make.defs
index 114f4ddbac..3e7eb13148 100644
--- a/boards/renesas/rx65n/rx65n-rsk1mb/scripts/Make.defs
+++ b/boards/renesas/rx65n/rx65n-rsk1mb/scripts/Make.defs
@@ -120,4 +120,3 @@ HOSTCC = gcc
 HOSTINCLUDES = -I.
 HOSTCFLAGS = -Wall -Wstrict-prototypes -Wshadow -Wundef -g -pipe
 HOSTLDFLAGS =
-
diff --git a/boards/renesas/rx65n/rx65n-rsk1mb/src/Makefile b/boards/renesas/rx65n/rx65n-rsk1mb/src/Makefile
index 56b145d294..181550626d 100644
--- a/boards/renesas/rx65n/rx65n-rsk1mb/src/Makefile
+++ b/boards/renesas/rx65n/rx65n-rsk1mb/src/Makefile
@@ -36,12 +36,12 @@
 -include $(TOPDIR)/Make.defs
 
 ARCH_SRCDIR = $(TOPDIR)/arch/$(CONFIG_ARCH)/src
-CFLAGS += -I=$(ARCH_SRCDIR)/chip -I=$(ARCH_SRCDIR)/common -I=$(TOPDIR)/sched 
+CFLAGS += -I=$(ARCH_SRCDIR)/chip -I=$(ARCH_SRCDIR)/common -I=$(TOPDIR)/sched
 CFLAGS += -I=$(ARCH_SRCDIR)/chip
 
-ASRCS = 
+ASRCS =
 AOBJS = $(ASRCS:.asm=$(OBJEXT))
-CSRCS =  rx65n_main.c 
+CSRCS =  rx65n_main.c
 COBJS = $(CSRCS:.c=$(OBJEXT))
 
 SRCS = $(ASRCS) $(CSRCS)
diff --git a/boards/renesas/rx65n/rx65n-rsk2mb/README.txt b/boards/renesas/rx65n/rx65n-rsk2mb/README.txt
index 52530a704a..407294c888 100644
--- a/boards/renesas/rx65n/rx65n-rsk2mb/README.txt
+++ b/boards/renesas/rx65n/rx65n-rsk2mb/README.txt
@@ -15,12 +15,12 @@ Contents
 
 Board Features
 ==============
-- Mounted devices: RX65N (R5F565NEDDFC: No Encrypt Function, Code Flash 2MB, Pin Count 176-pin), 
+- Mounted devices: RX65N (R5F565NEDDFC: No Encrypt Function, Code Flash 2MB, Pin Count 176-pin),
   or RX65N (R5F565NEHDFC: Supported Encrypt Function, Code Flash 2MB, Pin Count 176-pin)
 - Mounts TFT Display. Graphic LCD controller can be evaluated
 - 1 channel Ethernet can be evaluated
 - RX65N builds in Trusted Secure IP. AES encryption function and robust key management can be evaluated (*)
-- Mounts SD slot. If an optional Wireless LAN expansion board package for RSK (RTK0ZZZZZZP00000BR#WS) is used, 
+- Mounts SD slot. If an optional Wireless LAN expansion board package for RSK (RTK0ZZZZZZP00000BR#WS) is used,
   Wireless LAN can evaluated
 - 1 channel USB Function and 1 channel USB Host can be evaluated
 - In addition, CAN, RSPI, QSPI, etc. can be evaluated
@@ -34,9 +34,9 @@ Status/Open Issues
 ==================
 Ethernet
 ---------
-1.Observed instability in Link Management, due to difference in hardware design.(No Seperate Interrupt line for PHY) 
+1.Observed instability in Link Management, due to difference in hardware design.(No Seperate Interrupt line for PHY)
 2.Currently tested only ping and udpblaster application.
-3. Executed long run ping and udpblaster stress test for 12 hrs. Code is able to execute for 12hrs without any breakage. 
+3. Executed long run ping and udpblaster stress test for 12 hrs. Code is able to execute for 12hrs without any breakage.
 
 Serial Console
 ==============
@@ -45,35 +45,35 @@ RX65N RSK2MB supports 12 serial ports (SCI0 - SCI12), however only 1 port can be
 Serial ports SCI1, SCI2, SCI9-SCI12, cannot be tested because they are multiplexed to other Rx65N controller interfaces.
 
 Following SCI ports are configured w.r.t RX65N pin configuration
-SCI1 Pin Configuration : 
------------ 
-RX65N RSK2MB
-  Function    
+SCI1 Pin Configuration :
 -----------
-  PF2   RXD1  
-  PF1   TXD1  
+RX65N RSK2MB
+  Function
+-----------
+  PF2   RXD1
+  PF1   TXD1
 ------------
 
-SCI2 Pin Configuration : 
------------ 
-RX65N RSK2MB
-  Function    
+SCI2 Pin Configuration :
 -----------
-  P52   RXD2  
-  P50   TXD2  
+RX65N RSK2MB
+  Function
+-----------
+  P52   RXD2
+  P50   TXD2
 ------------
-SCI8 Pin Configuration : 
------------ 
-RX65N RSK2MB
-  Function    
+SCI8 Pin Configuration :
 -----------
-  PJ1   RXD8  
-  PJ2   TXD8  
+RX65N RSK2MB
+  Function
+-----------
+  PJ1   RXD8
+  PJ2   TXD8
 ------------
 
 Serial Connection Configuration
 -------------------------------
-1. RSK2MB board needs to be connected to PC, using USB cable(One end of which is connected to PC, other end 
+1. RSK2MB board needs to be connected to PC, using USB cable(One end of which is connected to PC, other end
 connected to USB serial port on H/W board).
 2. RSK USB Serial Driver needs to be downloaded on PC side.
 3. Configure Teraterm to 115200 baud.
@@ -92,22 +92,22 @@ Networking
 Ethernet Connections
 --------------------
 
-  ------        --------- 
-  RX65N 
-  RSK2MB        Ethernet  
+  ------        ---------
+  RX65N
+  RSK2MB        Ethernet
   Pin           Function
-  ------        --------- 
-  PC4           ET0_TX_CLK   
+  ------        ---------
+  PC4           ET0_TX_CLK
   P76           ET0_RX_CLK
   P80           ET0_TX_EN
   PC6           ET0_ETXD3
-  PC5           ET0_ETXD2    
-  P82           ET0_ETXD1      
-  P81           ET0_ETXD0      
-  PC3           ET0_TX_ER      
-  PC2           ET0_RX_DV       
+  PC5           ET0_ETXD2
+  P82           ET0_ETXD1
+  P81           ET0_ETXD0
+  PC3           ET0_TX_ER
+  PC2           ET0_RX_DV
   PC0           ET0_ERXD3
-  PC1           ET0_ERXD2 
+  PC1           ET0_ERXD2
   P74           ET0_ERXD1
   P75           ET0_ERXD0
   P77           ET0_RX_ER
@@ -123,7 +123,7 @@ The following configurations, need to be enabled for network.
 
 CONFIG_RX65N_EMAC=y    : Enable the EMAC Peripheral for RX65N
 CONFIG_RX65N_EMAC0=y   : Enable the EMAC Peripheral for RX65N
-CONFIG_RX65N_EMAC0_PHYSR=30 : Address of PHY status register 
+CONFIG_RX65N_EMAC0_PHYSR=30 : Address of PHY status register
 CONFIG_RX65N_EMAC0_PHYSR_100FD=0x18  : Needed for PHY CHIP
 CONFIG_RX65N_EMAC0_PHYSR_100HD=0x08  : "    " " " "     "
 CONFIG_RX65N_EMAC0_PHYSR_10FD=0x14   : "    " " " "     "
@@ -139,7 +139,7 @@ CONFIG_SCHED_LPWORK=y    :  Low Priority Work queue support
 
 Using the network with NSH
 --------------------------
-The IP address is configured using DHCP, using the below mentioned configurations : 
+The IP address is configured using DHCP, using the below mentioned configurations :
 
 CONFIG_NETUTILS_DHCPC=y
 CONFIG_NETUTILS_DHCPD=y
@@ -167,16 +167,16 @@ target side, you can:
   56 bytes from 10.75.24.250: icmp_seq=9 time=0 ms
   56 bytes from 10.75.24.250: icmp_seq=10 time=0 ms
   10 packets transmitted, 10 received, 0% packet loss, time 10100 ms
-  
+
 On the host side, you should also be able to ping the RX65N-RSK2MB:
 
   $ ping 10.75.24.53
 
-Configure UDP blaster application as mentioned below : 
+Configure UDP blaster application as mentioned below :
 
 CONFIG_EXAMPLES_UDPBLASTER_HOSTIP=0x0a4b1801  (10.75.24.1) ------> Gateway IP
 CONFIG_EXAMPLES_UDPBLASTER_NETMASK=0xfffffe00 (255.255.254.0) --------> Netmask
-CONFIG_EXAMPLES_UDPBLASTER_TARGETIP=0x0a4b189b (10.75.24.155) ---------> Target IP 
+CONFIG_EXAMPLES_UDPBLASTER_TARGETIP=0x0a4b189b (10.75.24.155) ---------> Target IP
 
 Debugging
 ==========
@@ -201,12 +201,12 @@ Alternativly, NuttX binary can be flashed using Renesas flash programmer tool wi
 Below are the steps mentioned to flash NuttX binary using Renesas flash programmer tool(RFP).
 
 1.In order to flash using Renesas flash programmer tool, nuttx.mot file should be generated.
-2. Add the following lines in tools/Makefile.unix file : 
+2. Add the following lines in tools/Makefile.unix file :
 ifeq ($(CONFIG_MOTOROLA_SREC),y)
 	@echo "CP: $(NUTTXNAME).mot"
 	$(Q) $(OBJCOPY) $(OBJCOPYARGS) $(BIN) -O srec -I elf32-rx-be-ns $(NUTTXNAME).mot
 endif
-3. Add CONFIG_MOTOROLA_SREC=y in defconfig file or choose make menucofig->Build Setup-> Binary Output Format-> 
+3. Add CONFIG_MOTOROLA_SREC=y in defconfig file or choose make menucofig->Build Setup-> Binary Output Format->
    Select Motorola SREC format.
 4. Download Renesas flash programmer tool from https://www.renesas.com/in/en/products/software-tools/tools/programmer/renesas-flash-programmer-programming-gui.html#downloads
 5. Refer to the user manual document, for steps to flash NuttX binary using RFP tool.
\ No newline at end of file
diff --git a/boards/renesas/rx65n/rx65n-rsk2mb/scripts/Make.defs b/boards/renesas/rx65n/rx65n-rsk2mb/scripts/Make.defs
index 4778d4b676..7c11b3a747 100644
--- a/boards/renesas/rx65n/rx65n-rsk2mb/scripts/Make.defs
+++ b/boards/renesas/rx65n/rx65n-rsk2mb/scripts/Make.defs
@@ -120,4 +120,3 @@ HOSTCC = gcc
 HOSTINCLUDES = -I.
 HOSTCFLAGS = -Wall -Wstrict-prototypes -Wshadow -Wundef -g -pipe
 HOSTLDFLAGS =
-
diff --git a/boards/renesas/rx65n/rx65n-rsk2mb/src/Makefile b/boards/renesas/rx65n/rx65n-rsk2mb/src/Makefile
index 33e29da8cc..080d7310a2 100644
--- a/boards/renesas/rx65n/rx65n-rsk2mb/src/Makefile
+++ b/boards/renesas/rx65n/rx65n-rsk2mb/src/Makefile
@@ -41,7 +41,7 @@ CFLAGS += -I=$(ARCH_SRCDIR)/chip
 
 ASRCS =
 AOBJS = $(ASRCS:.asm=$(OBJEXT))
-CSRCS =  rx65n_main.c 
+CSRCS =  rx65n_main.c
 COBJS = $(CSRCS:.c=$(OBJEXT))
 
 SRCS = $(ASRCS) $(CSRCS)
diff --git a/boards/renesas/rx65n/rx65n/scripts/linker_script.ld b/boards/renesas/rx65n/rx65n/scripts/linker_script.ld
index 3bdf1f1665..9d5572d228 100644
--- a/boards/renesas/rx65n/rx65n/scripts/linker_script.ld
+++ b/boards/renesas/rx65n/rx65n/scripts/linker_script.ld
@@ -19,7 +19,7 @@ SECTIONS
 		_exvectors_start = .;
 		KEEP(*(.exvectors))
 		_exvectors_end = .;
-	} > ROM 
+	} > ROM
 	.fvectors 0xFFFFFFFC: AT(0xFFFFFFFC)
 	{
 		KEEP(*(.fvectors))
@@ -44,7 +44,7 @@ SECTIONS
 		KEEP(*(.rvectors))
 		_rvectors_end = .;
 	} > ROM
-	/*.exvectors : 
+	/*.exvectors :
 	{
 		_exvectors_start = .;
 		KEEP(*(.exvectors))
diff --git a/boards/renesas/sh1/us7032evb1/bin/.gitignore b/boards/renesas/sh1/us7032evb1/bin/.gitignore
index 658d9ca20a..9cd375a34e 100644
--- a/boards/renesas/sh1/us7032evb1/bin/.gitignore
+++ b/boards/renesas/sh1/us7032evb1/bin/.gitignore
@@ -1,2 +1 @@
 shterm
-
diff --git a/boards/renesas/sh1/us7032evb1/scripts/Make.defs b/boards/renesas/sh1/us7032evb1/scripts/Make.defs
index 3843aa080e..1ed9da2915 100644
--- a/boards/renesas/sh1/us7032evb1/scripts/Make.defs
+++ b/boards/renesas/sh1/us7032evb1/scripts/Make.defs
@@ -82,4 +82,3 @@ HOSTCC = gcc
 HOSTINCLUDES = -I.
 HOSTCFLAGS = -Wall -Wstrict-prototypes -Wshadow -Wundef -g -pipe
 HOSTLDFLAGS =
-
diff --git a/boards/renesas/sh1/us7032evb1/shterm/.gitignore b/boards/renesas/sh1/us7032evb1/shterm/.gitignore
index 4d48f4de44..6e85ddfa16 100644
--- a/boards/renesas/sh1/us7032evb1/shterm/.gitignore
+++ b/boards/renesas/sh1/us7032evb1/shterm/.gitignore
@@ -1,3 +1,2 @@
 shterm
 *.o
-
diff --git a/boards/risc-v/fe310/hifive1-revb/include/board.h b/boards/risc-v/fe310/hifive1-revb/include/board.h
index 9b50f96688..da1383610b 100644
--- a/boards/risc-v/fe310/hifive1-revb/include/board.h
+++ b/boards/risc-v/fe310/hifive1-revb/include/board.h
@@ -93,4 +93,3 @@ void fe310_boardinitialize(void);
 #endif
 #endif /* __ASSEMBLY__ */
 #endif /* __BOARDS_RISC-V_FE310_HIFIVE-REVB_INCLUDE_BOARD_H */
-
diff --git a/boards/risc-v/fe310/hifive1-revb/scripts/Make.defs b/boards/risc-v/fe310/hifive1-revb/scripts/Make.defs
index 8f39d099cf..aaf203a247 100644
--- a/boards/risc-v/fe310/hifive1-revb/scripts/Make.defs
+++ b/boards/risc-v/fe310/hifive1-revb/scripts/Make.defs
@@ -113,4 +113,3 @@ HOSTCC = gcc
 HOSTINCLUDES = -I.
 HOSTCFLAGS = -Wall -Wstrict-prototypes -Wshadow -Wundef -g -pipe
 HOSTLDFLAGS =
-
diff --git a/boards/risc-v/k210/maix-bit/include/board.h b/boards/risc-v/k210/maix-bit/include/board.h
index 05da1fc80d..b0127c3c72 100644
--- a/boards/risc-v/k210/maix-bit/include/board.h
+++ b/boards/risc-v/k210/maix-bit/include/board.h
@@ -83,4 +83,3 @@ void k210_boardinitialize(void);
 #endif
 #endif /* __ASSEMBLY__ */
 #endif /* __BOARDS_RISC-V_K210_MAIX_BIT_INCLUDE_BOARD_H */
-
diff --git a/boards/risc-v/k210/maix-bit/scripts/Make.defs b/boards/risc-v/k210/maix-bit/scripts/Make.defs
index de0e6e5414..1ebda612a8 100644
--- a/boards/risc-v/k210/maix-bit/scripts/Make.defs
+++ b/boards/risc-v/k210/maix-bit/scripts/Make.defs
@@ -109,4 +109,3 @@ HOSTCC = gcc
 HOSTINCLUDES = -I.
 HOSTCFLAGS = -Wall -Wstrict-prototypes -Wshadow -Wundef -g -pipe
 HOSTLDFLAGS =
-
diff --git a/boards/risc-v/nr5m100/nr5m100-nexys4/README.txt b/boards/risc-v/nr5m100/nr5m100-nexys4/README.txt
index 228be5de94..ddede40611 100644
--- a/boards/risc-v/nr5m100/nr5m100-nexys4/README.txt
+++ b/boards/risc-v/nr5m100/nr5m100-nexys4/README.txt
@@ -240,4 +240,3 @@ Where <subdir> is one of the following:
   ---
   This is an NSH example that uses UART1 as the console.  UART1 is connected
   to the USB UART bridge on the FPGA board.
-
diff --git a/boards/risc-v/nr5m100/nr5m100-nexys4/include/board.h b/boards/risc-v/nr5m100/nr5m100-nexys4/include/board.h
index c3d9563b32..75dd40279c 100644
--- a/boards/risc-v/nr5m100/nr5m100-nexys4/include/board.h
+++ b/boards/risc-v/nr5m100/nr5m100-nexys4/include/board.h
@@ -166,4 +166,3 @@ void nr5_setleds(uint8_t ledset);
 #endif
 #endif /* __ASSEMBLY__ */
 #endif /* __BOARDS_RISC-V_NR5M100_NR5M100_NEXYS4_INCLUDE_BOARD_H */
-
diff --git a/boards/risc-v/nr5m100/nr5m100-nexys4/scripts/Make.defs b/boards/risc-v/nr5m100/nr5m100-nexys4/scripts/Make.defs
index 4ecdbf240d..1f26b4684c 100644
--- a/boards/risc-v/nr5m100/nr5m100-nexys4/scripts/Make.defs
+++ b/boards/risc-v/nr5m100/nr5m100-nexys4/scripts/Make.defs
@@ -112,4 +112,3 @@ HOSTCC = gcc
 HOSTINCLUDES = -I.
 HOSTCFLAGS = -Wall -Wstrict-prototypes -Wshadow -Wundef -g -pipe
 HOSTLDFLAGS =
-
diff --git a/boards/risc-v/nr5m100/nr5m100-nexys4/scripts/nr5m1xx.cfg b/boards/risc-v/nr5m100/nr5m100-nexys4/scripts/nr5m1xx.cfg
index a387d393cf..5facd8c3e1 100644
--- a/boards/risc-v/nr5m100/nr5m100-nexys4/scripts/nr5m1xx.cfg
+++ b/boards/risc-v/nr5m100/nr5m100-nexys4/scripts/nr5m1xx.cfg
@@ -61,4 +61,3 @@ set _TARGETNAME $_CHIPNAME.cpu
 target create $_TARGETNAME riscv -endian $_ENDIAN -chain-position $_TARGETNAME
 
 $_TARGETNAME configure -work-area-phys 0x20018000 -work-area-size 0x2000 -work-area-backup 0
-
diff --git a/boards/risc-v/nr5m100/nr5m100-nexys4/scripts/openocd.cfg b/boards/risc-v/nr5m100/nr5m100-nexys4/scripts/openocd.cfg
index cbf01ffe46..27faf59957 100644
--- a/boards/risc-v/nr5m100/nr5m100-nexys4/scripts/openocd.cfg
+++ b/boards/risc-v/nr5m100/nr5m100-nexys4/scripts/openocd.cfg
@@ -58,4 +58,3 @@ source [find nr5m1xx.cfg]
 
 init
 reset halt
-
diff --git a/boards/sim/sim/sim/README.txt b/boards/sim/sim/sim/README.txt
index fec7e52fcc..722d22842a 100644
--- a/boards/sim/sim/sim/README.txt
+++ b/boards/sim/sim/sim/README.txt
@@ -1219,4 +1219,3 @@ ustream
 
   Note that the binfs file system is mounted at /bin when the system starts
   up.
-
diff --git a/boards/sim/sim/sim/src/sim_zoneinfo.c b/boards/sim/sim/sim/src/sim_zoneinfo.c
index 5e38b6c6ba..ba7ae3a523 100644
--- a/boards/sim/sim/sim/src/sim_zoneinfo.c
+++ b/boards/sim/sim/sim/src/sim_zoneinfo.c
@@ -150,4 +150,3 @@ int sim_zoneinfo(int minor)
 }
 
 #endif /* CONFIG_LIB_ZONEINFO_ROMFS */
-
diff --git a/boards/xtensa/esp32/esp32-core/scripts/.gitignore b/boards/xtensa/esp32/esp32-core/scripts/.gitignore
index 155d3f5034..461270524b 100644
--- a/boards/xtensa/esp32/esp32-core/scripts/.gitignore
+++ b/boards/xtensa/esp32/esp32-core/scripts/.gitignore
@@ -1,2 +1 @@
 /esp32_out.ld
-
diff --git a/boards/xtensa/esp32/esp32-core/scripts/Make.defs b/boards/xtensa/esp32/esp32-core/scripts/Make.defs
index 25a2e54a48..1f6682c11c 100644
--- a/boards/xtensa/esp32/esp32-core/scripts/Make.defs
+++ b/boards/xtensa/esp32/esp32-core/scripts/Make.defs
@@ -117,4 +117,3 @@ HOSTCC = gcc
 HOSTINCLUDES = -I.
 HOSTCFLAGS = -Wall -Wstrict-prototypes -Wshadow -Wundef -g -pipe
 HOSTLDFLAGS =
-
diff --git a/boards/z16/z16f/z16f2800100zcog/configs/nsh/.gitignore b/boards/z16/z16f/z16f2800100zcog/configs/nsh/.gitignore
index fb65796523..ecc3098389 100644
--- a/boards/z16/z16f/z16f2800100zcog/configs/nsh/.gitignore
+++ b/boards/z16/z16f/z16f2800100zcog/configs/nsh/.gitignore
@@ -2,4 +2,3 @@ nsh.hex
 nsh.map
 nsh.lod
 nsh.wsp
-
diff --git a/boards/z16/z16f/z16f2800100zcog/configs/ostest/.gitignore b/boards/z16/z16f/z16f2800100zcog/configs/ostest/.gitignore
index 70a1573419..be7f76a62c 100644
--- a/boards/z16/z16f/z16f2800100zcog/configs/ostest/.gitignore
+++ b/boards/z16/z16f/z16f2800100zcog/configs/ostest/.gitignore
@@ -2,4 +2,3 @@ ostest.hex
 ostest.map
 ostest.lod
 ostest.wsp
-
diff --git a/boards/z16/z16f/z16f2800100zcog/scripts/z16f2800100zcog.linkcmd b/boards/z16/z16f/z16f2800100zcog/scripts/z16f2800100zcog.linkcmd
index edb9533f04..4dc76e4d92 100644
--- a/boards/z16/z16f/z16f2800100zcog/scripts/z16f2800100zcog.linkcmd
+++ b/boards/z16/z16f/z16f2800100zcog/scripts/z16f2800100zcog.linkcmd
@@ -89,4 +89,3 @@ define __PHAF_INIT_PARAM   = $0300
 define __PKAF_INIT_PARAM   = $0f
 
 /* arch/z16/src/Makefile will append target, object and library paths below */
-
diff --git a/boards/z16/z16f/z16f2800100zcog/src/.gitignore b/boards/z16/z16f/z16f2800100zcog/src/.gitignore
index b268f1933d..cdc79c5a85 100644
--- a/boards/z16/z16f/z16f2800100zcog/src/.gitignore
+++ b/boards/z16/z16f/z16f2800100zcog/src/.gitignore
@@ -1,4 +1,3 @@
 /Make.dep
 /.depend
 /*.obj
-
diff --git a/boards/z80/ez80/ez80f910200kitg/configs/ostest/.gitignore b/boards/z80/ez80/ez80f910200kitg/configs/ostest/.gitignore
index ad38f4b402..d28942afed 100644
--- a/boards/z80/ez80/ez80f910200kitg/configs/ostest/.gitignore
+++ b/boards/z80/ez80/ez80f910200kitg/configs/ostest/.gitignore
@@ -3,4 +3,3 @@ ostest.map
 ostest.lod
 ostest.wsp
 *.asm
-
diff --git a/boards/z80/ez80/ez80f910200kitg/scripts/ez80f910200kitg.linkcmd b/boards/z80/ez80/ez80f910200kitg/scripts/ez80f910200kitg.linkcmd
index 151c4b3836..d303457f02 100644
--- a/boards/z80/ez80/ez80f910200kitg/scripts/ez80f910200kitg.linkcmd
+++ b/boards/z80/ez80/ez80f910200kitg/scripts/ez80f910200kitg.linkcmd
@@ -91,4 +91,3 @@ define __PLL_CTL0_INIT_PARAM = $41
 define _zsl_g_clock_xdefine = 50000000
 
 /* arch/z80/src/Makefile.zdsii will append target, object and library paths below */
-
diff --git a/boards/z80/ez80/ez80f910200kitg/src/.gitignore b/boards/z80/ez80/ez80f910200kitg/src/.gitignore
index b268f1933d..cdc79c5a85 100644
--- a/boards/z80/ez80/ez80f910200kitg/src/.gitignore
+++ b/boards/z80/ez80/ez80f910200kitg/src/.gitignore
@@ -1,4 +1,3 @@
 /Make.dep
 /.depend
 /*.obj
-
diff --git a/boards/z80/ez80/ez80f910200kitg/src/ez80_boot.c b/boards/z80/ez80/ez80f910200kitg/src/ez80_boot.c
index 365d2e3851..338f4ace4f 100644
--- a/boards/z80/ez80/ez80f910200kitg/src/ez80_boot.c
+++ b/boards/z80/ez80/ez80f910200kitg/src/ez80_boot.c
@@ -63,4 +63,3 @@ void ez80_board_initialize(void)
 {
   ez80_gpioinit();
 }
-
diff --git a/boards/z80/ez80/ez80f910200zco/configs/dhcpd/.gitignore b/boards/z80/ez80/ez80f910200zco/configs/dhcpd/.gitignore
index 690992cd3c..8aee468244 100644
--- a/boards/z80/ez80/ez80f910200zco/configs/dhcpd/.gitignore
+++ b/boards/z80/ez80/ez80f910200zco/configs/dhcpd/.gitignore
@@ -4,4 +4,3 @@ dhcpd.lod
 dhcpd.wsp
 *.asm
 Debug
-
diff --git a/boards/z80/ez80/ez80f910200zco/configs/httpd/.gitignore b/boards/z80/ez80/ez80f910200zco/configs/httpd/.gitignore
index 2510450fb0..62c4db8ef2 100644
--- a/boards/z80/ez80/ez80f910200zco/configs/httpd/.gitignore
+++ b/boards/z80/ez80/ez80f910200zco/configs/httpd/.gitignore
@@ -4,4 +4,3 @@ httpd.lod
 httpd.wsp
 *.asm
 Debug
-
diff --git a/boards/z80/ez80/ez80f910200zco/configs/nettest/.gitignore b/boards/z80/ez80/ez80f910200zco/configs/nettest/.gitignore
index 7ec38242dd..0e6bc54ce2 100644
--- a/boards/z80/ez80/ez80f910200zco/configs/nettest/.gitignore
+++ b/boards/z80/ez80/ez80f910200zco/configs/nettest/.gitignore
@@ -4,4 +4,3 @@ nettest.lod
 nettest.wsp
 *.asm
 Debug
-
diff --git a/boards/z80/ez80/ez80f910200zco/configs/nsh/.gitignore b/boards/z80/ez80/ez80f910200zco/configs/nsh/.gitignore
index 739b8373b8..739fb85e2e 100644
--- a/boards/z80/ez80/ez80f910200zco/configs/nsh/.gitignore
+++ b/boards/z80/ez80/ez80f910200zco/configs/nsh/.gitignore
@@ -4,4 +4,3 @@ nsh.lod
 nsh.wsp
 *.asm
 Debug
-
diff --git a/boards/z80/ez80/ez80f910200zco/configs/poll/.gitignore b/boards/z80/ez80/ez80f910200zco/configs/poll/.gitignore
index fbeb6a9718..0185c0ae30 100644
--- a/boards/z80/ez80/ez80f910200zco/configs/poll/.gitignore
+++ b/boards/z80/ez80/ez80f910200zco/configs/poll/.gitignore
@@ -4,4 +4,3 @@ poll.lod
 poll.wsp
 *.asm
 Debug
-
diff --git a/boards/z80/ez80/ez80f910200zco/scripts/ez80f910200zco.linkcmd b/boards/z80/ez80/ez80f910200zco/scripts/ez80f910200zco.linkcmd
index ed95dd3a80..fe66c54663 100644
--- a/boards/z80/ez80/ez80f910200zco/scripts/ez80f910200zco.linkcmd
+++ b/boards/z80/ez80/ez80f910200zco/scripts/ez80f910200zco.linkcmd
@@ -91,4 +91,3 @@ define __PLL_CTL0_INIT_PARAM = $40
 define _zsl_g_clock_xdefine = 50000000
 
 /* arch/z80/src/Makefile.zdsii will append target, object and library paths below */
-
diff --git a/boards/z80/ez80/ez80f910200zco/src/.gitignore b/boards/z80/ez80/ez80f910200zco/src/.gitignore
index b268f1933d..cdc79c5a85 100644
--- a/boards/z80/ez80/ez80f910200zco/src/.gitignore
+++ b/boards/z80/ez80/ez80f910200zco/src/.gitignore
@@ -1,4 +1,3 @@
 /Make.dep
 /.depend
 /*.obj
-
diff --git a/boards/z80/ez80/ez80f910200zco/src/ez80_boot.c b/boards/z80/ez80/ez80f910200zco/src/ez80_boot.c
index 22b5130b64..791ce60d47 100644
--- a/boards/z80/ez80/ez80f910200zco/src/ez80_boot.c
+++ b/boards/z80/ez80/ez80f910200zco/src/ez80_boot.c
@@ -63,4 +63,3 @@ void ez80_board_initialize(void)
 {
   ez80_gpioinit();
 }
-
diff --git a/boards/z80/ez80/makerlisp/configs/nsh_flash/.gitignore b/boards/z80/ez80/makerlisp/configs/nsh_flash/.gitignore
index 739b8373b8..739fb85e2e 100644
--- a/boards/z80/ez80/makerlisp/configs/nsh_flash/.gitignore
+++ b/boards/z80/ez80/makerlisp/configs/nsh_flash/.gitignore
@@ -4,4 +4,3 @@ nsh.lod
 nsh.wsp
 *.asm
 Debug
-
diff --git a/boards/z80/ez80/makerlisp/configs/nsh_ram/.gitignore b/boards/z80/ez80/makerlisp/configs/nsh_ram/.gitignore
index 739b8373b8..739fb85e2e 100644
--- a/boards/z80/ez80/makerlisp/configs/nsh_ram/.gitignore
+++ b/boards/z80/ez80/makerlisp/configs/nsh_ram/.gitignore
@@ -4,4 +4,3 @@ nsh.lod
 nsh.wsp
 *.asm
 Debug
-
diff --git a/boards/z80/ez80/makerlisp/configs/sdboot/.gitignore b/boards/z80/ez80/makerlisp/configs/sdboot/.gitignore
index 739b8373b8..739fb85e2e 100644
--- a/boards/z80/ez80/makerlisp/configs/sdboot/.gitignore
+++ b/boards/z80/ez80/makerlisp/configs/sdboot/.gitignore
@@ -4,4 +4,3 @@ nsh.lod
 nsh.wsp
 *.asm
 Debug
-
diff --git a/boards/z80/ez80/makerlisp/scripts/makerlisp_copytoram.linkcmd b/boards/z80/ez80/makerlisp/scripts/makerlisp_copytoram.linkcmd
index 388edfafbf..5ae381bea8 100644
--- a/boards/z80/ez80/makerlisp/scripts/makerlisp_copytoram.linkcmd
+++ b/boards/z80/ez80/makerlisp/scripts/makerlisp_copytoram.linkcmd
@@ -95,4 +95,3 @@ define __PLL_CTL0_INIT_PARAM = $41
 define _zsl_g_clock_xdefine = 50000000
 
 /* arch/z80/src/Makefile.zdsii will append target, object and library paths below */
-
diff --git a/boards/z80/ez80/makerlisp/scripts/makerlisp_flash.linkcmd b/boards/z80/ez80/makerlisp/scripts/makerlisp_flash.linkcmd
index 6000029046..69b8a3a6f9 100644
--- a/boards/z80/ez80/makerlisp/scripts/makerlisp_flash.linkcmd
+++ b/boards/z80/ez80/makerlisp/scripts/makerlisp_flash.linkcmd
@@ -94,4 +94,3 @@ define __PLL_CTL0_INIT_PARAM = $41
 define _zsl_g_clock_xdefine = 50000000
 
 /* arch/z80/src/Makefile.zdsii will append target, object and library paths below */
-
diff --git a/boards/z80/ez80/makerlisp/scripts/makerlisp_ram.linkcmd b/boards/z80/ez80/makerlisp/scripts/makerlisp_ram.linkcmd
index 63fd179954..7f55812ad5 100644
--- a/boards/z80/ez80/makerlisp/scripts/makerlisp_ram.linkcmd
+++ b/boards/z80/ez80/makerlisp/scripts/makerlisp_ram.linkcmd
@@ -95,4 +95,3 @@ define __PLL_CTL0_INIT_PARAM = $41
 define _zsl_g_clock_xdefine = 50000000
 
 /* arch/z80/src/Makefile.zdsii will append target, object and library paths below */
-
diff --git a/boards/z80/z180/p112/README.txt b/boards/z80/z180/p112/README.txt
index 0f1da03b3d..7a32cc6a90 100644
--- a/boards/z80/z180/p112/README.txt
+++ b/boards/z80/z180/p112/README.txt
@@ -166,4 +166,3 @@ Known compilation problems:
     stdlib/lib_strtof.c:76: error 122: dividing by ZERO
 
   Workaround: Remove lib_strtof.c from libs/libc/stdlib/Make.defs
-
diff --git a/boards/z80/z180/p112/src/.gitignore b/boards/z80/z180/p112/src/.gitignore
index 101a872100..04b280c8ba 100644
--- a/boards/z80/z180/p112/src/.gitignore
+++ b/boards/z80/z180/p112/src/.gitignore
@@ -13,4 +13,3 @@
 /*.mem
 /*.ihx
 /*.hex
-
diff --git a/boards/z80/z8/z8encore000zco/configs/ostest/.gitignore b/boards/z80/z8/z8encore000zco/configs/ostest/.gitignore
index ad38f4b402..d28942afed 100644
--- a/boards/z80/z8/z8encore000zco/configs/ostest/.gitignore
+++ b/boards/z80/z8/z8encore000zco/configs/ostest/.gitignore
@@ -3,4 +3,3 @@ ostest.map
 ostest.lod
 ostest.wsp
 *.asm
-
diff --git a/boards/z80/z8/z8encore000zco/configs/ostest/ostest.linkcmd b/boards/z80/z8/z8encore000zco/configs/ostest/ostest.linkcmd
index 5bc72d8b65..724131f230 100644
--- a/boards/z80/z8/z8encore000zco/configs/ostest/ostest.linkcmd
+++ b/boards/z80/z8/z8encore000zco/configs/ostest/ostest.linkcmd
@@ -77,4 +77,3 @@ define _WRITE_NVDS_GET_STATUS=$10B3
 define __user_frequency = 18432000
 
 /* arch/z80/src/Makefile.zdsii will append target, object and library paths below */
-
diff --git a/boards/z80/z8/z8encore000zco/src/z8_boot.c b/boards/z80/z8/z8encore000zco/src/z8_boot.c
index dd65c62afc..09475a82de 100644
--- a/boards/z80/z8/z8encore000zco/src/z8_boot.c
+++ b/boards/z80/z8/z8encore000zco/src/z8_boot.c
@@ -63,4 +63,3 @@ void z8_board_initialize(void)
 {
   z8_gpioinit();
 }
-
diff --git a/boards/z80/z8/z8f64200100kit/configs/ostest/.gitignore b/boards/z80/z8/z8f64200100kit/configs/ostest/.gitignore
index ad38f4b402..d28942afed 100644
--- a/boards/z80/z8/z8f64200100kit/configs/ostest/.gitignore
+++ b/boards/z80/z8/z8f64200100kit/configs/ostest/.gitignore
@@ -3,4 +3,3 @@ ostest.map
 ostest.lod
 ostest.wsp
 *.asm
-
diff --git a/boards/z80/z8/z8f64200100kit/configs/ostest/ostest.linkcmd b/boards/z80/z8/z8f64200100kit/configs/ostest/ostest.linkcmd
index df448c80c3..b49c951e4b 100644
--- a/boards/z80/z8/z8f64200100kit/configs/ostest/ostest.linkcmd
+++ b/boards/z80/z8/z8f64200100kit/configs/ostest/ostest.linkcmd
@@ -77,4 +77,3 @@ define _WRITE_NVDS_GET_STATUS=$10B3
 define __user_frequency = 18432000
 
 /* arch/z80/src/Makefile.zdsii will append target, object and library paths below */
-
diff --git a/boards/z80/z8/z8f64200100kit/src/.gitignore b/boards/z80/z8/z8f64200100kit/src/.gitignore
index b268f1933d..cdc79c5a85 100644
--- a/boards/z80/z8/z8f64200100kit/src/.gitignore
+++ b/boards/z80/z8/z8f64200100kit/src/.gitignore
@@ -1,4 +1,3 @@
 /Make.dep
 /.depend
 /*.obj
-
diff --git a/boards/z80/z8/z8f64200100kit/src/z8_boot.c b/boards/z80/z8/z8f64200100kit/src/z8_boot.c
index 367317930f..9fa00e3010 100644
--- a/boards/z80/z8/z8f64200100kit/src/z8_boot.c
+++ b/boards/z80/z8/z8f64200100kit/src/z8_boot.c
@@ -63,4 +63,3 @@ void z8_board_initialize(void)
 {
   z8_gpioinit();
 }
-
diff --git a/boards/z80/z80/z80sim/README.txt b/boards/z80/z80/z80sim/README.txt
index 7279d19a4b..e31f23ddd6 100644
--- a/boards/z80/z80/z80sim/README.txt
+++ b/boards/z80/z80/z80sim/README.txt
@@ -190,4 +190,3 @@ Known compilation problems:
   Workaround: Remove lib_strtof.c from libs/libc/stdlib/Make.defs
 
   In arch/z80/src/z180:  error 26: '_cbr' not a structure/union member
-
diff --git a/boards/z80/z80/z80sim/src/.gitignore b/boards/z80/z80/z80sim/src/.gitignore
index 101a872100..04b280c8ba 100644
--- a/boards/z80/z80/z80sim/src/.gitignore
+++ b/boards/z80/z80/z80sim/src/.gitignore
@@ -13,4 +13,3 @@
 /*.mem
 /*.ihx
 /*.hex
-
diff --git a/boards/z80/z80/z80sim/src/z80_serial.c b/boards/z80/z80/z80sim/src/z80_serial.c
index 46408843bc..0c6f373aec 100644
--- a/boards/z80/z80/z80sim/src/z80_serial.c
+++ b/boards/z80/z80/z80sim/src/z80_serial.c
@@ -339,4 +339,3 @@ int up_putc(int ch)
   z80_lowputc(ch);
   return 0;
 }
-
diff --git a/drivers/analog/Make.defs b/drivers/analog/Make.defs
index 5b9f437c4c..872ebec65f 100644
--- a/drivers/analog/Make.defs
+++ b/drivers/analog/Make.defs
@@ -137,4 +137,3 @@ endif
 endif
 endif
 endif
-
diff --git a/drivers/analog/pga11x.c b/drivers/analog/pga11x.c
index b09a99e1a1..1110db67c9 100644
--- a/drivers/analog/pga11x.c
+++ b/drivers/analog/pga11x.c
@@ -748,4 +748,3 @@ int pga11x_uenable(PGA11X_HANDLE handle, int pos)
 #endif
 
 #endif /* CONFIG_ADC && CONFIG_ADC_PGA11X */
-
diff --git a/drivers/audio/Kconfig b/drivers/audio/Kconfig
index b7cfebe099..ac45db0b2b 100644
--- a/drivers/audio/Kconfig
+++ b/drivers/audio/Kconfig
@@ -244,4 +244,3 @@ config AUDIO_I2S
 	bool "Audio I2S"
 	depends on AUDIO
 	depends on I2S
-
diff --git a/drivers/audio/audio_i2s.c b/drivers/audio/audio_i2s.c
index 6e1112e107..5d1a2b4df1 100644
--- a/drivers/audio/audio_i2s.c
+++ b/drivers/audio/audio_i2s.c
@@ -313,7 +313,7 @@ static int audio_i2s_stop(FAR struct audio_lowerhalf_s *dev)
 
 #ifndef CONFIG_AUDIO_EXCLUDE_PAUSE_RESUME
 #ifdef CONFIG_AUDIO_MULTI_SESSION
-static int audio_i2s_pause(FAR struct audio_lowerhalf_s *dev, 
+static int audio_i2s_pause(FAR struct audio_lowerhalf_s *dev,
                            FAR void *session)
 #else
 static int audio_i2s_pause(FAR struct audio_lowerhalf_s *dev)
diff --git a/drivers/bch/Make.defs b/drivers/bch/Make.defs
index 902c003ebf..e10e41ec47 100644
--- a/drivers/bch/Make.defs
+++ b/drivers/bch/Make.defs
@@ -48,4 +48,3 @@ VPATH += :bch
 CFLAGS += ${shell $(INCDIR) $(INCDIROPT) "$(CC)" $(TOPDIR)$(DELIM)drivers$(DELIM)bch}
 
 endif
-
diff --git a/drivers/bch/bchlib_cache.c b/drivers/bch/bchlib_cache.c
index a0b6b01ed7..02d39ed2e5 100644
--- a/drivers/bch/bchlib_cache.c
+++ b/drivers/bch/bchlib_cache.c
@@ -198,4 +198,3 @@ int bchlib_readsector(FAR struct bchlib_s *bch, size_t sector)
 
   return (int)ret;
 }
-
diff --git a/drivers/bch/bchlib_teardown.c b/drivers/bch/bchlib_teardown.c
index d46fb4c550..f1986e4b1d 100644
--- a/drivers/bch/bchlib_teardown.c
+++ b/drivers/bch/bchlib_teardown.c
@@ -94,4 +94,3 @@ int bchlib_teardown(FAR void *handle)
   kmm_free(bch);
   return OK;
 }
-
diff --git a/drivers/bch/bchlib_write.c b/drivers/bch/bchlib_write.c
index f5fa299657..eeaa44e212 100644
--- a/drivers/bch/bchlib_write.c
+++ b/drivers/bch/bchlib_write.c
@@ -195,4 +195,3 @@ ssize_t bchlib_write(FAR void *handle, FAR const char *buffer, size_t offset,
 
   return byteswritten;
 }
-
diff --git a/drivers/can/Make.defs b/drivers/can/Make.defs
index 9a1504664c..158fba8508 100644
--- a/drivers/can/Make.defs
+++ b/drivers/can/Make.defs
@@ -49,4 +49,3 @@ DEPPATH += --dep-path can
 VPATH += :can
 CFLAGS += ${shell $(INCDIR) $(INCDIROPT) "$(CC)" $(TOPDIR)$(DELIM)drivers$(DELIM)can}
 endif
-
diff --git a/drivers/i2c/i2c_writeread.c b/drivers/i2c/i2c_writeread.c
index 52887cc9c3..5588780163 100644
--- a/drivers/i2c/i2c_writeread.c
+++ b/drivers/i2c/i2c_writeread.c
@@ -115,4 +115,3 @@ int i2c_writeread(FAR struct i2c_master_s *dev,
   ret = I2C_TRANSFER(dev, msg, 2);
   return (ret >= 0) ? OK : ret;
 }
-
diff --git a/drivers/input/Make.defs b/drivers/input/Make.defs
index 18f456030f..1f92089856 100644
--- a/drivers/input/Make.defs
+++ b/drivers/input/Make.defs
@@ -105,4 +105,3 @@ DEPPATH += --dep-path input
 VPATH += :input
 CFLAGS += ${shell $(INCDIR) $(INCDIROPT) "$(CC)" $(TOPDIR)$(DELIM)drivers$(DELIM)input}
 endif
-
diff --git a/drivers/input/max11802.h b/drivers/input/max11802.h
index 0610bb2a56..66846f67c6 100644
--- a/drivers/input/max11802.h
+++ b/drivers/input/max11802.h
@@ -168,4 +168,3 @@ extern "C" {
 #endif
 
 #endif /* __DRIVERS_INPUT_ADS7843E_H */
-
diff --git a/drivers/input/stmpe811_adc.c b/drivers/input/stmpe811_adc.c
index e14e96c3d7..941f6991b9 100644
--- a/drivers/input/stmpe811_adc.c
+++ b/drivers/input/stmpe811_adc.c
@@ -261,4 +261,3 @@ uint16_t stmpe811_adcread(STMPE811_HANDLE handle, int pin)
 }
 
 #endif /* CONFIG_INPUT && CONFIG_INPUT_STMPE811 && !CONFIG_STMPE811_ADC_DISABLE */
-
diff --git a/drivers/input/stmpe811_base.c b/drivers/input/stmpe811_base.c
index b185728605..dabfdd4a84 100644
--- a/drivers/input/stmpe811_base.c
+++ b/drivers/input/stmpe811_base.c
@@ -523,4 +523,3 @@ uint16_t stmpe811_getreg16(FAR struct stmpe811_dev_s *priv, uint8_t regaddr)
 #endif
 
 #endif /* CONFIG_INPUT && CONFIG_INPUT_STMPE811 */
-
diff --git a/drivers/input/stmpe811_gpio.c b/drivers/input/stmpe811_gpio.c
index c4a18095c7..6662e83334 100644
--- a/drivers/input/stmpe811_gpio.c
+++ b/drivers/input/stmpe811_gpio.c
@@ -456,4 +456,3 @@ void stmpe811_gpioworker(FAR struct stmpe811_dev_s *priv)
 #endif
 
 #endif /* CONFIG_INPUT && CONFIG_INPUT_STMPE811 && !CONFIG_STMPE811_GPIO_DISABLE */
-
diff --git a/drivers/input/stmpe811_temp.c b/drivers/input/stmpe811_temp.c
index 5bbad0d455..2a41056e9d 100644
--- a/drivers/input/stmpe811_temp.c
+++ b/drivers/input/stmpe811_temp.c
@@ -176,4 +176,3 @@ uint16_t stmpe811_tempread(STMPE811_HANDLE handle)
 /* Not implemented */
 
 #endif /* CONFIG_INPUT && CONFIG_INPUT_STMPE811 && !CONFIG_STMPE811_TEMP_DISABLE */
-
diff --git a/drivers/lcd/pcd8544.c b/drivers/lcd/pcd8544.c
index b68a6c99a7..9bbb5a25f6 100644
--- a/drivers/lcd/pcd8544.c
+++ b/drivers/lcd/pcd8544.c
@@ -999,4 +999,3 @@ FAR struct lcd_dev_s *pcd8544_initialize(FAR struct spi_dev_s *spi, unsigned int
   up_clear(priv);
   return &priv->dev;
 }
-
diff --git a/drivers/lcd/ssd1306.h b/drivers/lcd/ssd1306.h
index e4cacfc8e1..a0ba7344e7 100644
--- a/drivers/lcd/ssd1306.h
+++ b/drivers/lcd/ssd1306.h
@@ -319,4 +319,3 @@ void ssd1306_configspi(FAR struct spi_dev_s *spi);
 #endif
 
 #endif /* __DRIVERS_LCD_SSD1306_H */
-
diff --git a/drivers/lcd/ssd1306_i2c.c b/drivers/lcd/ssd1306_i2c.c
index d4aa483b03..3b5da437a4 100644
--- a/drivers/lcd/ssd1306_i2c.c
+++ b/drivers/lcd/ssd1306_i2c.c
@@ -153,4 +153,3 @@ int ssd1306_sendblk(FAR struct ssd1306_dev_s *priv, uint8_t *data, uint8_t len)
 }
 
 #endif /* CONFIG_LCD_SSD1306 &7 CONFIG_LCD_SSD1306_I2C */
-
diff --git a/drivers/lcd/st7567.c b/drivers/lcd/st7567.c
index 8bd9ec001a..e27c6e66d5 100644
--- a/drivers/lcd/st7567.c
+++ b/drivers/lcd/st7567.c
@@ -948,4 +948,3 @@ FAR struct lcd_dev_s *st7567_initialize(FAR struct spi_dev_s *spi, unsigned int
   up_clear(priv);
   return &priv->dev;
 }
-
diff --git a/drivers/mmcsd/Make.defs b/drivers/mmcsd/Make.defs
index 06e689c753..c5a67b1144 100644
--- a/drivers/mmcsd/Make.defs
+++ b/drivers/mmcsd/Make.defs
@@ -52,5 +52,3 @@ VPATH += :mmcsd
 CFLAGS += ${shell $(INCDIR) $(INCDIROPT) "$(CC)" $(TOPDIR)$(DELIM)drivers$(DELIM)mmcsd}
 
 endif
-
-
diff --git a/drivers/mmcsd/mmcsd_sdio.c b/drivers/mmcsd/mmcsd_sdio.c
index d2bb1a24fa..6d579f9e9c 100644
--- a/drivers/mmcsd/mmcsd_sdio.c
+++ b/drivers/mmcsd/mmcsd_sdio.c
@@ -3736,4 +3736,3 @@ errout_with_alloc:
 }
 
 #endif /* defined (CONFIG_MMCSD) && defined (CONFIG_MMCSD_SDIO) */
-
diff --git a/drivers/mtd/mtd_partition.c b/drivers/mtd/mtd_partition.c
index c16abcea16..cca13d44b8 100644
--- a/drivers/mtd/mtd_partition.c
+++ b/drivers/mtd/mtd_partition.c
@@ -893,4 +893,3 @@ int mtd_setpartitionname(FAR struct mtd_dev_s *mtd, FAR const char *name)
   return OK;
 }
 #endif
-
diff --git a/drivers/mtd/skeleton.c b/drivers/mtd/skeleton.c
index f888fd135c..eb80bd49d1 100644
--- a/drivers/mtd/skeleton.c
+++ b/drivers/mtd/skeleton.c
@@ -331,4 +331,3 @@ FAR struct mtd_dev_s *skel_initialize(void)
 
   return (FAR struct mtd_dev_s *)&g_skeldev;
 }
-
diff --git a/drivers/mtd/smart.c b/drivers/mtd/smart.c
index c239fe01a1..e75cee5085 100644
--- a/drivers/mtd/smart.c
+++ b/drivers/mtd/smart.c
@@ -6436,4 +6436,3 @@ static int smart_loop_ioctl(FAR struct file *filep, int cmd, unsigned long arg)
   return ret;
 }
 #endif /* CONFIG_SMART_DEV_LOOP */
-
diff --git a/drivers/net/Make.defs b/drivers/net/Make.defs
index 54e5ba81f9..bf8e314d68 100644
--- a/drivers/net/Make.defs
+++ b/drivers/net/Make.defs
@@ -88,4 +88,3 @@ endif
 DEPPATH += --dep-path net
 VPATH += :net
 endif
-
diff --git a/drivers/net/dm90x0.c b/drivers/net/dm90x0.c
index c3c60b1ce9..2e4f1d5025 100644
--- a/drivers/net/dm90x0.c
+++ b/drivers/net/dm90x0.c
@@ -1997,4 +1997,3 @@ int dm9x_initialize(void)
 }
 
 #endif /* CONFIG_NET && CONFIG_NET_DM90x0 */
-
diff --git a/drivers/pipes/Make.defs b/drivers/pipes/Make.defs
index 377e43a588..7ea37b17ac 100644
--- a/drivers/pipes/Make.defs
+++ b/drivers/pipes/Make.defs
@@ -41,4 +41,3 @@ CSRCS += pipe.c fifo.c pipe_common.c
 
 DEPPATH += --dep-path pipes
 VPATH += :pipes
-
diff --git a/drivers/power/Kconfig b/drivers/power/Kconfig
index 14e7a8f157..461d44642f 100644
--- a/drivers/power/Kconfig
+++ b/drivers/power/Kconfig
@@ -435,7 +435,7 @@ endif # BQ2429X
 config BATTERY_GAUGE
 	bool "Battery Fuel Gauge support"
 	default n
-	
+
 config MAX1704X
 	bool "MAX1704X Battery fuel gauge support"
 	default n
diff --git a/drivers/power/greedy_governor.h b/drivers/power/greedy_governor.h
index e53d46fa3b..0551c6c9ed 100644
--- a/drivers/power/greedy_governor.h
+++ b/drivers/power/greedy_governor.h
@@ -79,4 +79,3 @@ FAR const struct pm_governor_s *pm_greedy_governor_initialize(void);
 #endif
 
 #endif  /* __DRIVERS_POWER_GREEDY_GOVERNER_H */
-
diff --git a/drivers/power/pm_register.c b/drivers/power/pm_register.c
index 97dc47cd3b..025040b80e 100644
--- a/drivers/power/pm_register.c
+++ b/drivers/power/pm_register.c
@@ -96,4 +96,3 @@ int pm_register(FAR struct pm_callback_s *callbacks)
 }
 
 #endif /* CONFIG_PM */
-
diff --git a/drivers/power/pm_unregister.c b/drivers/power/pm_unregister.c
index 63a8e86a33..d5cb7d5c3f 100644
--- a/drivers/power/pm_unregister.c
+++ b/drivers/power/pm_unregister.c
@@ -87,4 +87,3 @@ int pm_unregister(FAR struct pm_callback_s *callbacks)
 }
 
 #endif /* CONFIG_PM */
-
diff --git a/drivers/sensors/mlx90614.c b/drivers/sensors/mlx90614.c
index 61e2a2ef2b..8ec532defa 100644
--- a/drivers/sensors/mlx90614.c
+++ b/drivers/sensors/mlx90614.c
@@ -473,4 +473,3 @@ int mlx90614_register(FAR const char *devpath, FAR struct i2c_master_s *i2c,
 }
 
 #endif /* CONFIG_I2C && CONFIG_SENSORS_MLX90614 */
-
diff --git a/drivers/serial/Make.defs b/drivers/serial/Make.defs
index 36babbeef2..2a4a45aba8 100644
--- a/drivers/serial/Make.defs
+++ b/drivers/serial/Make.defs
@@ -70,4 +70,3 @@ endif
 
 DEPPATH += --dep-path serial
 VPATH += :serial
-
diff --git a/drivers/serial/serial.c b/drivers/serial/serial.c
index dd0a0b061d..f6df6e911f 100644
--- a/drivers/serial/serial.c
+++ b/drivers/serial/serial.c
@@ -1798,4 +1798,3 @@ void uart_reset_sem(FAR uart_dev_t *dev)
   nxsem_reset(&dev->recv.sem, 1);
   nxsem_reset(&dev->pollsem,  1);
 }
-
diff --git a/drivers/syslog/syslog_device.c b/drivers/syslog/syslog_device.c
index d6f66202f4..2587213bbd 100644
--- a/drivers/syslog/syslog_device.c
+++ b/drivers/syslog/syslog_device.c
@@ -699,4 +699,3 @@ int syslog_dev_flush(void)
 
   return OK;
 }
-
diff --git a/drivers/usbdev/rndis.c b/drivers/usbdev/rndis.c
index 1451b22f78..665ce37306 100644
--- a/drivers/usbdev/rndis.c
+++ b/drivers/usbdev/rndis.c
@@ -2928,4 +2928,3 @@ void usbdev_rndis_get_composite_devdesc(struct composite_devdesc_s *dev)
   dev->devinfo.epno[RNDIS_EP_BULKOUT_IDX] = USB_EPNO(RNDIS_EPBULKOUT_ADDR);
 }
 #endif
-
diff --git a/drivers/usbhost/Kconfig b/drivers/usbhost/Kconfig
index 512954ea4d..a7a3b6c9be 100644
--- a/drivers/usbhost/Kconfig
+++ b/drivers/usbhost/Kconfig
@@ -591,4 +591,3 @@ config USBHOST_TRACE_VERBOSE
 		information would also be included.
 
 endif
-
diff --git a/drivers/usbhost/usbhost_findclass.c b/drivers/usbhost/usbhost_findclass.c
index f92534fd1f..b2327daa82 100644
--- a/drivers/usbhost/usbhost_findclass.c
+++ b/drivers/usbhost/usbhost_findclass.c
@@ -181,4 +181,3 @@ const struct usbhost_registry_s *usbhost_findclass(const struct usbhost_id_s *id
   leave_critical_section(flags);
   return NULL;
 }
-
diff --git a/drivers/usbhost/usbhost_registerclass.c b/drivers/usbhost/usbhost_registerclass.c
index 8cd52dd02d..c7794e8136 100644
--- a/drivers/usbhost/usbhost_registerclass.c
+++ b/drivers/usbhost/usbhost_registerclass.c
@@ -114,4 +114,3 @@ int usbhost_registerclass(struct usbhost_registry_s *usbclass)
   leave_critical_section(flags);
   return OK;
 }
-
diff --git a/drivers/usbhost/usbhost_storage.c b/drivers/usbhost/usbhost_storage.c
index 404821680b..4d53306864 100644
--- a/drivers/usbhost/usbhost_storage.c
+++ b/drivers/usbhost/usbhost_storage.c
@@ -2304,4 +2304,3 @@ int usbhost_msc_initialize(void)
 }
 
 #endif  /* CONFIG_USBHOST && !CONFIG_USBHOST_BULK_DISABLE && !CONFIG_DISABLE_MOUNTPOINT */
-
diff --git a/drivers/usbmonitor/Make.defs b/drivers/usbmonitor/Make.defs
index 3c80ad6c4b..c6664b02bc 100644
--- a/drivers/usbmonitor/Make.defs
+++ b/drivers/usbmonitor/Make.defs
@@ -48,4 +48,3 @@ VPATH += :usbmonitor
 CFLAGS += ${shell $(INCDIR) $(INCDIROPT) "$(CC)" $(TOPDIR)$(DELIM)drivers$(DELIM)usbmonitor}
 
 endif
-
diff --git a/drivers/wireless/ieee802154/mrf24j40/mrf24j40.c b/drivers/wireless/ieee802154/mrf24j40/mrf24j40.c
index 7e1f80ce11..49f9e381d1 100644
--- a/drivers/wireless/ieee802154/mrf24j40/mrf24j40.c
+++ b/drivers/wireless/ieee802154/mrf24j40/mrf24j40.c
@@ -482,4 +482,3 @@ FAR struct ieee802154_radio_s *
   dev->lower->enable(dev->lower, true);
   return &dev->radio;
 }
-
diff --git a/drivers/wireless/lpwan/Kconfig b/drivers/wireless/lpwan/Kconfig
index 0c155a3727..eb8dae6258 100644
--- a/drivers/wireless/lpwan/Kconfig
+++ b/drivers/wireless/lpwan/Kconfig
@@ -85,4 +85,3 @@ config LPWAN_SX127X_FSKOOK
 endif # WL_SX127X
 
 endif # DRIVERS_LPWAN
-
diff --git a/drivers/wireless/lpwan/Make.defs b/drivers/wireless/lpwan/Make.defs
index 2cff75aee9..90563b7ac0 100644
--- a/drivers/wireless/lpwan/Make.defs
+++ b/drivers/wireless/lpwan/Make.defs
@@ -40,4 +40,3 @@ ifeq ($(CONFIG_DRIVERS_LPWAN),y)
 include wireless$(DELIM)lpwan$(DELIM)sx127x$(DELIM)Make.defs
 
 endif # CONFIG_DRIVERS_LPWAN
-
diff --git a/drivers/wireless/lpwan/sx127x/Make.defs b/drivers/wireless/lpwan/sx127x/Make.defs
index 6fd2cd3cf8..90c24cb89f 100644
--- a/drivers/wireless/lpwan/sx127x/Make.defs
+++ b/drivers/wireless/lpwan/sx127x/Make.defs
@@ -46,4 +46,3 @@ VPATH += :wireless$(DELIM)lpwan$(DELIM)sx127x
 CFLAGS += ${shell $(INCDIR) $(INCDIROPT) "$(CC)" $(TOPDIR)$(DELIM)drivers$(DELIM)wireless$(DELIM)lpwan$(DELIM)sx127x}
 
 endif # CONFIG_LPWAN_SX127X
-
diff --git a/drivers/wireless/lpwan/sx127x/sx127x.h b/drivers/wireless/lpwan/sx127x/sx127x.h
index b15b755a7c..e266a7bf55 100644
--- a/drivers/wireless/lpwan/sx127x/sx127x.h
+++ b/drivers/wireless/lpwan/sx127x/sx127x.h
@@ -851,4 +851,3 @@
 #endif
 
 #endif  /* __DRIVERS_WIRELESS_LPWAN_SX127X_H */
-
diff --git a/drivers/wireless/spirit/Kconfig b/drivers/wireless/spirit/Kconfig
index 563541abef..d772e2625c 100644
--- a/drivers/wireless/spirit/Kconfig
+++ b/drivers/wireless/spirit/Kconfig
@@ -38,4 +38,3 @@ config WL_SPIRIT_FIFODUMP
 endif
 
 source drivers/wireless/spirit/drivers/Kconfig
-
diff --git a/drivers/wireless/spirit/lib/spirit_pktbasic.c b/drivers/wireless/spirit/lib/spirit_pktbasic.c
index 105bbf2e78..e2a837f162 100644
--- a/drivers/wireless/spirit/lib/spirit_pktbasic.c
+++ b/drivers/wireless/spirit/lib/spirit_pktbasic.c
@@ -786,4 +786,3 @@ int spirit_pktbasic_set_varlen(FAR struct spirit_library_s *spirit,
 
   return ret;
 }
-
diff --git a/fs/binfs/fs_binfs.c b/fs/binfs/fs_binfs.c
index f31f9b4ec0..4b0c95c06d 100644
--- a/fs/binfs/fs_binfs.c
+++ b/fs/binfs/fs_binfs.c
@@ -466,4 +466,3 @@ static int binfs_stat(struct inode *mountpt, const char *relpath, struct stat *b
  ****************************************************************************/
 
 #endif /* !CONFIG_DISABLE_MOUNTPOINT && CONFIG_FS_BINFS */
-
diff --git a/fs/dirent/Make.defs b/fs/dirent/Make.defs
index adfba6202b..94484b72f9 100644
--- a/fs/dirent/Make.defs
+++ b/fs/dirent/Make.defs
@@ -39,4 +39,3 @@ CSRCS += fs_closedir.c fs_opendir.c fs_readdir.c fs_rewinddir.c fs_seekdir.c
 
 DEPPATH += --dep-path dirent
 VPATH += :dirent
-
diff --git a/fs/driver/fs_blockpartition.c b/fs/driver/fs_blockpartition.c
index 5058177d3c..898282aa7d 100644
--- a/fs/driver/fs_blockpartition.c
+++ b/fs/driver/fs_blockpartition.c
@@ -363,4 +363,3 @@ errout_free:
   kmm_free(dev);
   return ret;
 }
-
diff --git a/fs/driver/fs_mtdpartition.c b/fs/driver/fs_mtdpartition.c
index 620c6f16f8..93712c9fb9 100644
--- a/fs/driver/fs_mtdpartition.c
+++ b/fs/driver/fs_mtdpartition.c
@@ -113,4 +113,3 @@ int register_mtdpartition(FAR const char *partition,
 
   return OK;
 }
-
diff --git a/fs/driver/fs_mtdproxy.c b/fs/driver/fs_mtdproxy.c
index c790b0ce27..66bba129c6 100644
--- a/fs/driver/fs_mtdproxy.c
+++ b/fs/driver/fs_mtdproxy.c
@@ -208,4 +208,3 @@ out_with_blkdev:
   kmm_free(blkdev);
   return ret;
 }
-
diff --git a/fs/driver/fs_registerblockdriver.c b/fs/driver/fs_registerblockdriver.c
index f1da64c9f1..9e1643075d 100644
--- a/fs/driver/fs_registerblockdriver.c
+++ b/fs/driver/fs_registerblockdriver.c
@@ -111,4 +111,3 @@ int register_blockdriver(FAR const char *path,
 }
 
 #endif /* !CONFIG_DISABLE_MOUNTPOINT */
-
diff --git a/fs/driver/fs_registermtddriver.c b/fs/driver/fs_registermtddriver.c
index 924c76531c..68da96cabe 100644
--- a/fs/driver/fs_registermtddriver.c
+++ b/fs/driver/fs_registermtddriver.c
@@ -111,4 +111,3 @@ int register_mtddriver(FAR const char *path, FAR struct mtd_dev_s *mtd,
 }
 
 #endif /* CONFIG_MTD && !CONFIG_DISABLE_MOUNTPOINT */
-
diff --git a/fs/fat/fs_fat32attrib.c b/fs/fat/fs_fat32attrib.c
index 0dd9b60a2e..6440a2dd95 100644
--- a/fs/fat/fs_fat32attrib.c
+++ b/fs/fat/fs_fat32attrib.c
@@ -201,4 +201,3 @@ int fat_setattrib(const char *path, fat_attrib_t setbits, fat_attrib_t clearbits
 {
   return fat_attrib(path, NULL, setbits, clearbits);
 }
-
diff --git a/fs/inode/Make.defs b/fs/inode/Make.defs
index f72c911cb4..75610e9662 100644
--- a/fs/inode/Make.defs
+++ b/fs/inode/Make.defs
@@ -42,4 +42,3 @@ CSRCS += fs_fileopen.c fs_filedetach.c fs_fileclose.c
 
 DEPPATH += --dep-path inode
 VPATH += :inode
-
diff --git a/fs/inode/fs_filedetach.c b/fs/inode/fs_filedetach.c
index 58722a3512..61b86b41a3 100644
--- a/fs/inode/fs_filedetach.c
+++ b/fs/inode/fs_filedetach.c
@@ -152,4 +152,3 @@ int file_detach(int fd, FAR struct file *filep)
   _files_semgive(list);
   return OK;
 }
-
diff --git a/fs/inode/fs_foreachinode.c b/fs/inode/fs_foreachinode.c
index 538a390531..7274642e2a 100644
--- a/fs/inode/fs_foreachinode.c
+++ b/fs/inode/fs_foreachinode.c
@@ -226,4 +226,3 @@ int foreach_inode(foreach_inode_t handler, FAR void *arg)
 
 #endif
 }
-
diff --git a/fs/inode/fs_inoderelease.c b/fs/inode/fs_inoderelease.c
index d8e535f3bf..c492cc7ec7 100644
--- a/fs/inode/fs_inoderelease.c
+++ b/fs/inode/fs_inoderelease.c
@@ -92,4 +92,3 @@ void inode_release(FAR struct inode *node)
         }
     }
 }
-
diff --git a/fs/littlefs/DESIGN.md b/fs/littlefs/DESIGN.md
index 3afb0a2054..125a1b036a 100644
--- a/fs/littlefs/DESIGN.md
+++ b/fs/littlefs/DESIGN.md
@@ -310,7 +310,7 @@ a directory entry?
 
 One way to find the overhead per block is to look at the data structure as
 multiple layers of linked-lists. Each linked-list skips twice as many blocks
-as the previous linked-list. Another way of looking at it is that each 
+as the previous linked-list. Another way of looking at it is that each
 linked-list uses half as much storage per block as the previous linked-list.
 As we approach infinity, the number of pointers per block forms a geometric
 series. Solving this geometric series gives us an average of only 2 pointers
@@ -326,14 +326,14 @@ results in more pointers, and a larger word width results in larger pointers.
 
 ![maximum overhead](https://latex.codecogs.com/svg.latex?B%20%3D%20%5Cfrac%7Bw%7D%7B8%7D%5Cleft%5Clceil%5Clog_2%5Cleft%28%5Cfrac%7B2%5Ew%7D%7BB-2%5Cfrac%7Bw%7D%7B8%7D%7D%5Cright%29%5Cright%5Crceil)
 
-where:  
-B = block size in bytes  
-w = word width in bits  
+where:
+B = block size in bytes
+w = word width in bits
 
 Solving the equation for B gives us the minimum block size for various word
-widths:  
-32 bit CTZ skip-list = minimum block size of 104 bytes  
-64 bit CTZ skip-list = minimum block size of 448 bytes  
+widths:
+32 bit CTZ skip-list = minimum block size of 104 bytes
+64 bit CTZ skip-list = minimum block size of 448 bytes
 
 Since littlefs uses a 32 bit word size, we are limited to a minimum block
 size of 104 bytes. This is a perfectly reasonable minimum block size, with most
@@ -356,11 +356,11 @@ file size. We can write this equation as a summation:
 
 ![summation1](https://latex.codecogs.com/svg.latex?N%20%3D%20%5Csum_i%5En%5Cleft%5BB-%5Cfrac%7Bw%7D%7B8%7D%5Cleft%28%5Ctext%7Bctz%7D%28i%29&plus;1%5Cright%29%5Cright%5D)
 
-where:  
-B = block size in bytes  
-w = word width in bits  
-n = block index in skip-list  
-N = file size in bytes  
+where:
+B = block size in bytes
+w = word width in bits
+n = block index in skip-list
+N = file size in bytes
 
 And this works quite well, but is not trivial to calculate. This equation
 requires O(n) to compute, which brings the entire runtime of reading a file
@@ -380,9 +380,9 @@ unintuitive property:
 
 ![mindblown](https://latex.codecogs.com/svg.latex?%5Csum_i%5En%5Cleft%28%5Ctext%7Bctz%7D%28i%29&plus;1%5Cright%29%20%3D%202n-%5Ctext%7Bpopcount%7D%28n%29)
 
-where:  
-ctz(x) = the number of trailing bits that are 0 in x  
-popcount(x) = the number of bits that are 1 in x  
+where:
+ctz(x) = the number of trailing bits that are 0 in x
+popcount(x) = the number of bits that are 1 in x
 
 It's a bit bewildering that these two seemingly unrelated bitwise instructions
 are related by this property. But if we start to dissect this equation we can
@@ -516,9 +516,9 @@ However, this approach had several issues:
 
 Actually, to simplify, this approach had one massive glaring issue: complexity.
 
-> Complexity leads to fallibility.  
-> Fallibility leads to unmaintainability.  
-> Unmaintainability leads to suffering.  
+> Complexity leads to fallibility.
+> Fallibility leads to unmaintainability.
+> Unmaintainability leads to suffering.
 
 Or at least, complexity leads to increased code size, which is a problem
 for embedded systems.
@@ -1223,4 +1223,3 @@ So, to summarize:
    by a deorphan step that occurs on the first allocation after boot
 
 That's the little filesystem. Thanks for reading!
-
diff --git a/fs/littlefs/Kconfig b/fs/littlefs/Kconfig
index 65878d14c3..8627b7be52 100644
--- a/fs/littlefs/Kconfig
+++ b/fs/littlefs/Kconfig
@@ -6,4 +6,3 @@ config FS_LITTLEFS
 	depends on !DISABLE_MOUNTPOINT
 	---help---
 		Build the LITTLEFS file system. https://github.com/ARMmbed/littlefs.
-
diff --git a/fs/littlefs/README.md b/fs/littlefs/README.md
index 4b4eff5211..32d3f6e639 100644
--- a/fs/littlefs/README.md
+++ b/fs/littlefs/README.md
@@ -1,8 +1,8 @@
-## usage 
+## usage
 
 depends on !DISABLE_MOUNTPOINT
 
-1. register_mtddriver("/dev/w25", mtd, 0755, NULL);  
+1. register_mtddriver("/dev/w25", mtd, 0755, NULL);
 2. mount("/dev/w25", "/w25", "littlefs", 0, NULL);
 
 ## need to do
diff --git a/fs/mmap/Make.defs b/fs/mmap/Make.defs
index 8c8d3e4a1b..5748918145 100644
--- a/fs/mmap/Make.defs
+++ b/fs/mmap/Make.defs
@@ -44,4 +44,3 @@ endif
 
 DEPPATH += --dep-path mmap
 VPATH += :mmap
-
diff --git a/fs/mount/Make.defs b/fs/mount/Make.defs
index e03f2c0d08..1df8ff98a1 100644
--- a/fs/mount/Make.defs
+++ b/fs/mount/Make.defs
@@ -55,4 +55,3 @@ DEPPATH += --dep-path mount
 VPATH += :mount
 
 endif
-
diff --git a/fs/mount/fs_mount.c b/fs/mount/fs_mount.c
index ef63a5e9fa..c6043afdfe 100644
--- a/fs/mount/fs_mount.c
+++ b/fs/mount/fs_mount.c
@@ -541,4 +541,3 @@ errout:
 }
 
 #endif /* CONFIG_FS_READABLE */
-
diff --git a/fs/mount/mount.h b/fs/mount/mount.h
index 0ab165c148..e7ae71e723 100644
--- a/fs/mount/mount.h
+++ b/fs/mount/mount.h
@@ -103,4 +103,3 @@ FAR const char *fs_gettype(FAR struct statfs *statbuf);
 
 #endif /* CONFIG_DISABLE_MOUNTPOINT */
 #endif /* __FS_MOUNT_MOUNT_H */
-
diff --git a/fs/mqueue/mqueue.h b/fs/mqueue/mqueue.h
index 50ca332153..06ec39a287 100644
--- a/fs/mqueue/mqueue.h
+++ b/fs/mqueue/mqueue.h
@@ -93,4 +93,3 @@ void mq_inode_release(FAR struct inode *inode);
 #endif
 
 #endif /* __FS_MQUEUE_MQUEUE_H */
-
diff --git a/fs/nfs/nfs_proto.h b/fs/nfs/nfs_proto.h
index 488f8a7dbb..da9495a163 100644
--- a/fs/nfs/nfs_proto.h
+++ b/fs/nfs/nfs_proto.h
@@ -571,4 +571,3 @@ struct FS3args
 };
 
 #endif /* __FS_NFS_NFS_PROTO_H */
-
diff --git a/fs/nxffs/README.txt b/fs/nxffs/README.txt
index f6d4357412..b049fa5311 100644
--- a/fs/nxffs/README.txt
+++ b/fs/nxffs/README.txt
@@ -189,4 +189,3 @@ Things to Do
   implementation of a proper truncate() method which should alter the
   size of a previously written file.  There is some fragmentary logic in
   place but even this is conditioned out with __NO_TRUNCATE_SUPPORT__.
-
diff --git a/fs/nxffs/nxffs.h b/fs/nxffs/nxffs.h
index 5d0327b8b3..32a648348f 100644
--- a/fs/nxffs/nxffs.h
+++ b/fs/nxffs/nxffs.h
@@ -1136,5 +1136,3 @@ int nxffs_stat(FAR struct inode *mountpt, FAR const char *relpath,
 int nxffs_unlink(FAR struct inode *mountpt, FAR const char *relpath);
 
 #endif /* __FS_NXFFS_NXFFS_H */
-
-
diff --git a/fs/partition/fs_ptable.c b/fs/partition/fs_ptable.c
index 583deeab4e..c61ca45bf3 100644
--- a/fs/partition/fs_ptable.c
+++ b/fs/partition/fs_ptable.c
@@ -167,4 +167,3 @@ out:
   kmm_free(ptable);
   return ret;
 }
-
diff --git a/fs/procfs/fs_procfsversion.c b/fs/procfs/fs_procfsversion.c
index c453a325c5..84651f9c3c 100644
--- a/fs/procfs/fs_procfsversion.c
+++ b/fs/procfs/fs_procfsversion.c
@@ -320,4 +320,3 @@ static int version_stat(FAR const char *relpath, FAR struct stat *buf)
 
 #endif /* CONFIG_FS_PROCFS_EXCLUDE_PROCESS */
 #endif /* !CONFIG_DISABLE_MOUNTPOINT && CONFIG_FS_PROCFS */
-
diff --git a/fs/semaphore/sem_close.c b/fs/semaphore/sem_close.c
index 2bc7f83ef9..9b435fe72b 100644
--- a/fs/semaphore/sem_close.c
+++ b/fs/semaphore/sem_close.c
@@ -130,4 +130,3 @@ int sem_close(FAR sem_t *sem)
 }
 
 #endif /* CONFIG_FS_NAMED_SEMAPHORES */
-
diff --git a/fs/semaphore/semaphore.h b/fs/semaphore/semaphore.h
index 6a1784b335..931d3c0b76 100644
--- a/fs/semaphore/semaphore.h
+++ b/fs/semaphore/semaphore.h
@@ -70,4 +70,3 @@ extern "C"
 #endif
 
 #endif /* __FS_SEMAPHORE_SEMAPHORE_H */
-
diff --git a/fs/smartfs/Kconfig b/fs/smartfs/Kconfig
index abd47855db..877a5be1ea 100644
--- a/fs/smartfs/Kconfig
+++ b/fs/smartfs/Kconfig
@@ -25,7 +25,7 @@ config SMARTFS_ERASEDSTATE
 config SMARTFS_MAXNAMLEN
 	int "Maximum file name length"
 	default 16
-	---help---	
+	---help---
 		The maximum size of a SMARTFS file name at a given
 		directory level.  Overall path name is not restricted
 		by this value, only individual segments in a path,
diff --git a/fs/spiffs/README.md b/fs/spiffs/README.md
index e75ec5c30f..63b9ed798c 100644
--- a/fs/spiffs/README.md
+++ b/fs/spiffs/README.md
@@ -1,4 +1,4 @@
-# SPIFFS (SPI Flash File System) 
+# SPIFFS (SPI Flash File System)
 **V0.3.7**
 
 [![Build Status](https://travis-ci.org/pellepl/spiffs.svg?branch=master)](https://travis-ci.org/pellepl/spiffs)
@@ -38,12 +38,12 @@ What spiffs does:
  - Posix-like api: open, close, read, write, seek, stat, etc
  - It can run on any NOR flash, not only SPI flash - theoretically also on embedded flash of a microprocessor
  - Multiple spiffs configurations can run on same target - and even on same SPI flash device
- - Implements static wear leveling 
+ - Implements static wear leveling
  - Built in file system consistency checks
  - Highly configurable
- 
+
 What spiffs does not:
- - Presently, spiffs does not support directories. It produces a flat structure. Creating a file with path *tmp/myfile.txt* will create a file called *tmp/myfile.txt* instead of a *myfile.txt* under directory *tmp*. 
+ - Presently, spiffs does not support directories. It produces a flat structure. Creating a file with path *tmp/myfile.txt* will create a file called *tmp/myfile.txt* instead of a *myfile.txt* under directory *tmp*.
  - It is not a realtime stack. One write operation might last much longer than another.
  - Poor scalability. Spiffs is intended for small memory devices - the normal sizes for SPI flashes. Going beyond ~128Mbyte is probably a bad idea. This is a side effect of the design goal to use as little ram as possible.
  - Presently, it does not detect or handle bad blocks.
@@ -52,11 +52,11 @@ What spiffs does not:
 ## NOTICE
 
 0.4.0 is under construction. This is a full rewrite and will change the underlying structure. Hence, it will not be compatible with earlier versions of the filesystem. The API is the same, with minor modifications. Some config flags will be removed (as they are mandatory in 0.4.0) and some features might fall away until 0.4.1. If you have any worries or questions, it can be discussed in issue [#179](https://github.com/pellepl/spiffs/issues/179)
- 
-## MORE INFO 
- 
+
+## MORE INFO
+
 See the [wiki](https://github.com/pellepl/spiffs/wiki) for [configuring](https://github.com/pellepl/spiffs/wiki/Configure-spiffs), [integrating](https://github.com/pellepl/spiffs/wiki/Integrate-spiffs), [using](https://github.com/pellepl/spiffs/wiki/Using-spiffs), and [optimizing](https://github.com/pellepl/spiffs/wiki/Performance-and-Optimizing) spiffs.
- 
+
 For design, see [docs/TECH_SPEC](https://github.com/pellepl/spiffs/blob/master/docs/TECH_SPEC).
 
 For a generic spi flash driver, see [this](https://github.com/pellepl/spiflash_driver).
@@ -69,7 +69,7 @@ For a generic spi flash driver, see [this](https://github.com/pellepl/spiflash_d
 - fixed cache page not closed for removed files #156
 - fixed a lseek bug when seeking exactly to end of a fully indexed first level LUT #148
 - fixed wear leveling issue #145
-- fixed attempt to write out of bounds in flash #130, 
+- fixed attempt to write out of bounds in flash #130,
 - set file offset when seeking over end #121 (thanks @sensslen)
 - fixed seeking in virgin files #120 (thanks @sensslen)
 - Optional file metadata #128 (thanks @cesanta)
@@ -101,9 +101,9 @@ New API functions:
 - `SPIFFS_ix_remap` - changes file offset for index metadata map
 - `SPIFFS_bytes_to_ix_map_entries` - utility, get length of needed vector for given amount of bytes
 - `SPIFFS_ix_map_entries_to_bytes` - utility, get number of bytes a vector can represent given length
- 
+
 New config defines:
-- `SPIFFS_IX_MAP` - enable possibility to map index meta data to memory for reading faster 
+- `SPIFFS_IX_MAP` - enable possibility to map index meta data to memory for reading faster
 - `SPIFFS_TEMPORAL_FD_CACHE` - enable temporal cache for opening files faster
 - `SPIFFS_TEMPORAL_CACHE_HIT_SCORE` - for tuning the temporal cache
 
@@ -116,7 +116,7 @@ New config defines:
 - Problem with long filenames #79 (thanks @psjg)
 - Duplicate file name bug fix #74 (thanks @igrr)
 - SPIFFS_eof and SPIFFS_tell return wrong value #72 (thanks @ArtemPisarenko)
-- Bunch of testframe updates #77 #78 #86 (thanks @dpreussner, @psjg a.o)  
+- Bunch of testframe updates #77 #78 #86 (thanks @dpreussner, @psjg a.o)
 
 ### 0.3.4
 - Added user callback file func.
@@ -155,8 +155,8 @@ New config defines:
 - Moar comments for SPIFFS_lseek (thanks @igrr)
 - Fixed padding in spiffs_page_object_ix #40 (thanks @jmattsson @lishen2)
 - Fixed gc_quick test (thanks @jmattsson)
-- Add SPIFFS_EXCL flag #36 
-- SPIFFS_close may fail silently if cache is enabled #37 
+- Add SPIFFS_EXCL flag #36
+- SPIFFS_close may fail silently if cache is enabled #37
 - User data in callbacks #34
 - Ignoring SINGLETON build in cache setup (thanks Luca)
 - Compilation error fixed #32 (thanks @chotasanjiv)
@@ -182,7 +182,7 @@ New config defines:
 - Test sigsevs when having too many sectors #13  (thanks alonewolfx2)
 - GC might be suboptimal #11
 - Fix eternal readdir when objheader at last block, last entry
-  
+
 New API functions:
 - `SPIFFS_gc_quick` - call a nonintrusive gc
 - `SPIFFS_gc` - call a full-scale intrusive gc
diff --git a/fs/spiffs/docs/TECH_SPEC b/fs/spiffs/docs/TECH_SPEC
index b4755a6dbc..dcec9797dd 100644
--- a/fs/spiffs/docs/TECH_SPEC
+++ b/fs/spiffs/docs/TECH_SPEC
@@ -10,7 +10,7 @@ for bigger targets with much more ram. Nevertheless, many wise thoughts have
 been borrowed from YAFFS when writing spiffs. Kudos!
 
 The main complication writing spiffs was that it cannot be assumed the target
-has a heap. Spiffs must go along only with the work ram buffer given to it. 
+has a heap. Spiffs must go along only with the work ram buffer given to it.
 This forces extra implementation on many areas of spiffs.
 
 
@@ -20,15 +20,15 @@ Below is a small description of how SPI flashes work internally. This is to
 give an understanding of the design choices made in spiffs.
 
 SPI flash devices are physically divided in blocks. On some SPI flash devices,
-blocks are further divided into sectors. Datasheets sometimes name blocks as 
+blocks are further divided into sectors. Datasheets sometimes name blocks as
 sectors and vice versa.
 
 Common memory capacaties for SPI flashes are 512kB up to 8MB of data, where
-blocks may be 64kB. Sectors can be e.g. 4kB, if supported. Many SPI flashes 
-have uniform block sizes, whereas others have non-uniform - the latter meaning 
+blocks may be 64kB. Sectors can be e.g. 4kB, if supported. Many SPI flashes
+have uniform block sizes, whereas others have non-uniform - the latter meaning
 that e.g. the first 16 blocks are 4kB big, and the rest are 64kB.
 
-The entire memory is linear and can be read and written in random access. 
+The entire memory is linear and can be read and written in random access.
 Erasing can only be done block- or sectorwise; or by mass erase.
 
 SPI flashes can normally be erased from 100.000 up to 1.000.000 cycles before
@@ -37,7 +37,7 @@ they fail.
 A clean SPI flash from factory have all bits in entire memory set to one. A
 mass erase will reset the device to this state. Block or sector erasing will
 put the all bits in the area given by the sector or block to ones. Writing to a
-NOR flash pulls ones to zeroes. Writing 0xFF to an address is simply a no-op. 
+NOR flash pulls ones to zeroes. Writing 0xFF to an address is simply a no-op.
 
 Writing 0b10101010 to a flash address holding 0b00001111 will yield 0b00001010.
 
@@ -45,7 +45,7 @@ This way of "write by nand" is used considerably in spiffs.
 
 Common characteristics of NOR flashes are quick reads, but slow writes.
 
-And finally, unlike NAND flashes, NOR flashes seem to not need any error 
+And finally, unlike NAND flashes, NOR flashes seem to not need any error
 correction. They always write correctly I gather.
 
 
@@ -57,9 +57,9 @@ in the datasheet. Logical blocks and pages is something the integrator choose.
 
 ** Blocks and pages
 
-Spiffs is allocated to a part or all of the memory of the SPI flash device. 
-This area is divided into logical blocks, which in turn are divided into 
-logical pages. The boundary of a logical block must coincide with one or more 
+Spiffs is allocated to a part or all of the memory of the SPI flash device.
+This area is divided into logical blocks, which in turn are divided into
+logical pages. The boundary of a logical block must coincide with one or more
 physical blocks. The sizes for logical blocks and logical pages always remain
 the same, they are uniform.
 
@@ -88,7 +88,7 @@ PHYSICAL FLASH BLOCKS               SPIFFS LOGICAL BLOCKS: 128kB
 +-----------------------+   - - -   +-----------------------+
 | ...                   |           | ...                   |
 
-A logical block is divided further into a number of logical pages. A page 
+A logical block is divided further into a number of logical pages. A page
 defines the smallest data holding element known to spiffs. Hence, if a file
 is created being one byte big, it will occupy one page for index and one page
 for data - it will occupy 2 x size of a logical page on flash.
@@ -100,7 +100,7 @@ page size of 64 bytes will waste 8-14% on metadata, while 256 bytes 2-4%.
 So it seems it is good to select a big page size.
 
 Also, spiffs uses a ram buffer being two times the page size. This ram buffer
-is used for loading and manipulating pages, but it is also used for algorithms 
+is used for loading and manipulating pages, but it is also used for algorithms
 to find free file ids, scanning the file system, etc. Having too small a page
 size means less work buffer for spiffs, ending up in more reads operations and
 eventually gives a slower file system.
@@ -112,21 +112,21 @@ Choosing the page size for the system involves many factors:
  - How much data (vs metadata) must be crammed into the file system
  - How fast must spiffs be
  - Other things impossible to find out
- 
-So, chosing the Optimal Page Size (tm) seems tricky, to say the least. Don't 
+
+So, chosing the Optimal Page Size (tm) seems tricky, to say the least. Don't
 fret - there is no optimal page size. This varies from how the target will use
 spiffs. Use the golden rule:
 
         ~~~   Logical Page Size = Logical Block Size / 256   ~~~
 
-This is a good starting point. The final page size can then be derived through 
+This is a good starting point. The final page size can then be derived through
 heuristical experimenting for us non-analytical minds.
 
 
 ** Objects, indices and look-ups
 
-A file, or an object as called in spiffs, is identified by an object id. 
-Another YAFFS rip-off. This object id is a part of the page header. So, all 
+A file, or an object as called in spiffs, is identified by an object id.
+Another YAFFS rip-off. This object id is a part of the page header. So, all
 pages know to which object/file they belong - not counting the free pages.
 
 An object is made up of two types of pages: object index pages and data pages.
@@ -134,19 +134,19 @@ Data pages contain the data written by user. Index pages contain metadata about
 the object, more specifically what data pages are part of the object.
 
 The page header also includes something called a span index. Let's say a file
-is written covering three data pages. The first data page will then have span 
+is written covering three data pages. The first data page will then have span
 index 0, the second span index 1, and the last data page will have span index
-2. Simple as that. 
+2. Simple as that.
 
-Finally, each page header contain flags, telling if the page is used, 
+Finally, each page header contain flags, telling if the page is used,
 deleted, finalized, holds index or data, and more.
 
 Object indices also have span indices, where an object index with span index 0
-is referred to as the object index header. This page does not only contain 
+is referred to as the object index header. This page does not only contain
 references to data pages, but also extra info such as object name, object size
 in bytes, flags for file or directory, etc.
 
-If one were to create a file covering three data pages, named e.g. 
+If one were to create a file covering three data pages, named e.g.
 "spandex-joke.txt", given object id 12, it could look like this:
 
 PAGE 0  <things to be unveiled soon>
@@ -164,9 +164,9 @@ PAGE 4  page header:   [obj_id:12  span_ix:2  flags:USED|DATA]
         <third data page of joke>
 
 PAGE 5  page header:   [obj_id:12  span_ix:0  flags:USED|INDEX]
-        obj ix header: [name:spandex-joke.txt  size:600 bytes  flags:FILE] 
+        obj ix header: [name:spandex-joke.txt  size:600 bytes  flags:FILE]
         obj ix:        [1 2 4]
-        
+
 Looking in detail at page 5, the object index header page, the object index
 array refers to each data page in order, as mentioned before. The index of the
 object index array correlates with the data page span index.
@@ -177,25 +177,25 @@ object index array correlates with the data page span index.
     PAGE 1, DATA, SPAN_IX 0    --------/ | |
       PAGE 2, DATA, SPAN_IX 1    --------/ |
         PAGE 4, DATA, SPAN_IX 2    --------/
-        
-Things to be unveiled in page 0 - well.. Spiffs is designed for systems low on 
-ram. We cannot keep a dynamic list on the whereabouts of each object index 
-header so we can find a file fast. There might not even be a heap! But, we do 
+
+Things to be unveiled in page 0 - well.. Spiffs is designed for systems low on
+ram. We cannot keep a dynamic list on the whereabouts of each object index
+header so we can find a file fast. There might not even be a heap! But, we do
 not want to scan all page headers on the flash to find the object index header.
 
-The first page(s) of each block contains the so called object look-up. These 
-are not normal pages, they do not have a header. Instead, they are arrays 
+The first page(s) of each block contains the so called object look-up. These
+are not normal pages, they do not have a header. Instead, they are arrays
 pointing out what object-id the rest of all pages in the block belongs to.
 
-By this look-up, only the first page(s) in each block must to scanned to find 
+By this look-up, only the first page(s) in each block must to scanned to find
 the actual page which contains the object index header of the desired object.
 
-The object lookup is redundant metadata. The assumption is that it presents 
+The object lookup is redundant metadata. The assumption is that it presents
 less overhead reading a full page of data to memory from each block and search
-that, instead of reading a small amount of data from each page (i.e. the page 
-header) in all blocks. Each read operation from SPI flash normally contains 
+that, instead of reading a small amount of data from each page (i.e. the page
+header) in all blocks. Each read operation from SPI flash normally contains
 extra data as the read command itself and the flash address. Also, depending on
-the underlying implementation, other criterions may need to be passed for each 
+the underlying implementation, other criterions may need to be passed for each
 read transaction, like mutexes and such.
 
 The veiled example unveiled would look like this, with some extra pages:
@@ -221,12 +221,12 @@ up. This is an example where spiffs uses NOR flashes "nand-way" of writing.
 
 As a matter of fact, there are two object id's which are special:
 
-obj id 0 (all bits zeroes) - indicates a deleted page in object look up  
-obj id 0xff.. (all bits ones) - indicates a free page in object look up 
+obj id 0 (all bits zeroes) - indicates a deleted page in object look up
+obj id 0xff.. (all bits ones) - indicates a free page in object look up
 
 Actually, the object id's have another quirk: if the most significant bit is
 set, this indicates an object index page. If the most significant bit is zero,
-this indicates a data page. So to be fully correct, page 0 in above example 
+this indicates a data page. So to be fully correct, page 0 in above example
 would look like this:
 
 PAGE 0  [  12   12  545   12  *12   34   34   *4    0    0    0    0 ...]
@@ -234,6 +234,5 @@ PAGE 0  [  12   12  545   12  *12   34   34   *4    0    0    0    0 ...]
 where the asterisk means the msb of the object id is set.
 
 This is another way to speed up the searches when looking for object indices.
-By looking on the object id's msb in the object lookup, it is also possible 
+By looking on the object id's msb in the object lookup, it is also possible
 to find out whether the page is an object index page or a data page.
-
diff --git a/fs/unionfs/Kconfig b/fs/unionfs/Kconfig
index cafd6ac868..6c6271692e 100644
--- a/fs/unionfs/Kconfig
+++ b/fs/unionfs/Kconfig
@@ -25,4 +25,3 @@ config FS_UNIONFS
 		by the file in file system1.
 
 		See include/nutts/unionfs.h for additional information.
-
diff --git a/fs/vfs/fs_dup2.c b/fs/vfs/fs_dup2.c
index 3a55ac9e94..64a8762842 100644
--- a/fs/vfs/fs_dup2.c
+++ b/fs/vfs/fs_dup2.c
@@ -112,4 +112,3 @@ int dup2(int fd1, int fd2)
 }
 
 #endif /* CONFIG_NET */
-
diff --git a/fs/vfs/fs_dupfd.c b/fs/vfs/fs_dupfd.c
index 7f40f8a188..7beac9d4c8 100644
--- a/fs/vfs/fs_dupfd.c
+++ b/fs/vfs/fs_dupfd.c
@@ -145,4 +145,3 @@ errout:
   set_errno(-ret);
   return ERROR;
 }
-
diff --git a/fs/vfs/fs_epoll.c b/fs/vfs/fs_epoll.c
index 1aece415e2..35547f497b 100644
--- a/fs/vfs/fs_epoll.c
+++ b/fs/vfs/fs_epoll.c
@@ -232,4 +232,3 @@ int epoll_wait(int epfd, FAR struct epoll_event *evs, int maxevents,
 
   return i;
 }
-
diff --git a/fs/vfs/fs_lseek.c b/fs/vfs/fs_lseek.c
index bf7fcbc197..93228510b2 100644
--- a/fs/vfs/fs_lseek.c
+++ b/fs/vfs/fs_lseek.c
@@ -191,4 +191,3 @@ errout:
   set_errno(errcode);
   return (off_t)ERROR;
 }
-
diff --git a/fs/vfs/fs_poll.c b/fs/vfs/fs_poll.c
index 4781347dbf..dbc04e9f41 100644
--- a/fs/vfs/fs_poll.c
+++ b/fs/vfs/fs_poll.c
@@ -536,4 +536,3 @@ int poll(FAR struct pollfd *fds, nfds_t nfds, int timeout)
 
   return count;
 }
-
diff --git a/fs/vfs/fs_select.c b/fs/vfs/fs_select.c
index 86fdc5aa61..f7a789d42e 100644
--- a/fs/vfs/fs_select.c
+++ b/fs/vfs/fs_select.c
@@ -284,4 +284,3 @@ errout:
   leave_cancellation_point();
   return ERROR;
 }
-
diff --git a/fs/vfs/fs_sendfile.c b/fs/vfs/fs_sendfile.c
index 643bccea93..6ecf6f7874 100644
--- a/fs/vfs/fs_sendfile.c
+++ b/fs/vfs/fs_sendfile.c
@@ -149,4 +149,3 @@ ssize_t sendfile(int outfd, int infd, off_t *offset, size_t count)
 }
 
 #endif /* CONFIG_NET_SENDFILE */
-
diff --git a/graphics/nxbe/nxbe_clipper.c b/graphics/nxbe/nxbe_clipper.c
index bf013f2e15..6d20268c52 100644
--- a/graphics/nxbe/nxbe_clipper.c
+++ b/graphics/nxbe/nxbe_clipper.c
@@ -275,4 +275,3 @@ void nxbe_clipnull(FAR struct nxbe_clipops_s *cops,
                    FAR const struct nxgl_rect_s *rect)
 {
 }
-
diff --git a/graphics/nxbe/nxbe_flush.c b/graphics/nxbe/nxbe_flush.c
index e19c6bed94..ef415a9cf4 100644
--- a/graphics/nxbe/nxbe_flush.c
+++ b/graphics/nxbe/nxbe_flush.c
@@ -109,4 +109,3 @@ void nxbe_flush(FAR struct nxbe_window_s *wnd,
 }
 
 #endif  /* CONFIG_NX_RAMBACKED */
-
diff --git a/graphics/nxbe/nxbe_isvisible.c b/graphics/nxbe/nxbe_isvisible.c
index 5b8ea22984..f802d15b12 100644
--- a/graphics/nxbe/nxbe_isvisible.c
+++ b/graphics/nxbe/nxbe_isvisible.c
@@ -127,4 +127,3 @@ bool nxbe_isvisible(FAR struct nxbe_window_s *wnd,
 
   return info.visible;
 }
-
diff --git a/graphics/nxglib/nxglib_copyrun.h b/graphics/nxglib/nxglib_copyrun.h
index 01a552924d..924e8dfeb1 100644
--- a/graphics/nxglib/nxglib_copyrun.h
+++ b/graphics/nxglib/nxglib_copyrun.h
@@ -322,5 +322,3 @@ nxgl_copyrun_4bpp(FAR const uint8_t *src, FAR uint8_t *dest,
 }
 #endif
 #endif /* __GRAPHICS_NXGLIB_NXGLIB_COPYRUN_H */
-
-
diff --git a/graphics/nxmu/.gitignore b/graphics/nxmu/.gitignore
index cc7e6de26c..85ba441480 100644
--- a/graphics/nxmu/.gitignore
+++ b/graphics/nxmu/.gitignore
@@ -8,4 +8,3 @@ Make.dep
 *.adb
 *.lib
 *.src
-
diff --git a/graphics/nxmu/Make.defs b/graphics/nxmu/Make.defs
index a45e664e78..c47aedec21 100644
--- a/graphics/nxmu/Make.defs
+++ b/graphics/nxmu/Make.defs
@@ -41,4 +41,3 @@ CSRCS += nxmu_start.c
 DEPPATH += --dep-path nxmu
 CFLAGS += ${shell $(INCDIR) $(INCDIROPT) "$(CC)" $(TOPDIR)/graphics/nxmu}
 VPATH += :nxmu
-
diff --git a/graphics/nxmu/nxmu_requestbkgd.c b/graphics/nxmu/nxmu_requestbkgd.c
index 8b19021882..43a6506d7b 100644
--- a/graphics/nxmu/nxmu_requestbkgd.c
+++ b/graphics/nxmu/nxmu_requestbkgd.c
@@ -97,4 +97,3 @@ void nxmu_requestbkgd(FAR struct nxmu_conn_s *conn,
   nxmu_mousereport(&be->bkgd);
 #endif
 }
-
diff --git a/graphics/nxterm/nx_register.c b/graphics/nxterm/nx_register.c
index 460a02d219..fb2caff1af 100644
--- a/graphics/nxterm/nx_register.c
+++ b/graphics/nxterm/nx_register.c
@@ -186,4 +186,3 @@ NXTERM nx_register(NXWINDOW hwnd, FAR struct nxterm_window_s *wndo, int minor)
 {
   return nxterm_register((NXTERM)hwnd, wndo, &g_nxops, minor);
 }
-
diff --git a/graphics/nxterm/nxtool_register.c b/graphics/nxterm/nxtool_register.c
index 04849692f3..de10e25ab8 100644
--- a/graphics/nxterm/nxtool_register.c
+++ b/graphics/nxterm/nxtool_register.c
@@ -188,4 +188,3 @@ NXTERM nxtool_register(NXTKWINDOW hfwnd, FAR struct nxterm_window_s *wndo, int m
 {
   return nxterm_register((NXTERM)hfwnd, wndo, &g_nxtoolops, minor);
 }
-
diff --git a/include/.gitignore b/include/.gitignore
index f4938fd67d..c44b642d15 100644
--- a/include/.gitignore
+++ b/include/.gitignore
@@ -11,4 +11,3 @@
 /machine
 /openamp
 /metal
-
diff --git a/include/nuttx/binfmt/binfmt.h b/include/nuttx/binfmt/binfmt.h
index 5a6af0eaac..88b2d409b8 100644
--- a/include/nuttx/binfmt/binfmt.h
+++ b/include/nuttx/binfmt/binfmt.h
@@ -342,4 +342,3 @@ int binfmt_exit(FAR struct binary_s *bin);
 #endif
 
 #endif /* __INCLUDE_NUTTX_BINFMT_BINFMT_H */
-
diff --git a/include/nuttx/binfmt/ieee695.h b/include/nuttx/binfmt/ieee695.h
index 62d788c282..c30913feab 100644
--- a/include/nuttx/binfmt/ieee695.h
+++ b/include/nuttx/binfmt/ieee695.h
@@ -450,4 +450,3 @@ extern "C"
 #endif
 
 #endif /* __INCLUDE_NUTTX_BINFMT_IEEE695_H */
-
diff --git a/include/nuttx/crypto/tea.h b/include/nuttx/crypto/tea.h
index 1b568150a0..067d621ce3 100644
--- a/include/nuttx/crypto/tea.h
+++ b/include/nuttx/crypto/tea.h
@@ -74,4 +74,3 @@ void tea_encrypt(FAR uint32_t *value, FAR const uint32_t *key);
 void tea_decrypt(FAR uint32_t *value, FAR const uint32_t *key);
 
 #endif /* __INCLUDE_NUTTX_CRYPTO_TEA_H */
-
diff --git a/include/nuttx/eeprom/spi_xx25xx.h b/include/nuttx/eeprom/spi_xx25xx.h
index 4f01a3aab6..26a6cdce0b 100644
--- a/include/nuttx/eeprom/spi_xx25xx.h
+++ b/include/nuttx/eeprom/spi_xx25xx.h
@@ -111,4 +111,3 @@ int ee25xx_initialize(FAR struct spi_dev_s *dev, FAR char *devname,
                       int devtype, int readonly);
 
 #endif /* __INCLUDE__NUTTX_EEPROM_M25XX_H */
-
diff --git a/include/nuttx/fs/dirent.h b/include/nuttx/fs/dirent.h
index a7fe69d6c2..bcf817dc33 100644
--- a/include/nuttx/fs/dirent.h
+++ b/include/nuttx/fs/dirent.h
@@ -332,4 +332,3 @@ extern "C"
 #endif
 
 #endif /* __INCLUDE_NUTTX_FS_DIRENT_H */
-
diff --git a/include/nuttx/input/buttons.h b/include/nuttx/input/buttons.h
index bbdf9a496a..bcfb462e8c 100644
--- a/include/nuttx/input/buttons.h
+++ b/include/nuttx/input/buttons.h
@@ -221,4 +221,3 @@ int btn_lower_initialize(FAR const char *devname);
 #endif
 
 #endif /* __INCLUDE_NUTTX_INPUT_BUTTONS_H */
-
diff --git a/include/nuttx/input/ioctl.h b/include/nuttx/input/ioctl.h
index bcf370d961..75584a2649 100644
--- a/include/nuttx/input/ioctl.h
+++ b/include/nuttx/input/ioctl.h
@@ -73,4 +73,3 @@
 #define _NUNCHUCKIOC(nr)     _IOC(_NUNCKIOCBASE,nr)
 
 #endif /* __INCLUDE_NUTTX_INPUT_IOCTL_H */
-
diff --git a/include/nuttx/input/kbd_codec.h b/include/nuttx/input/kbd_codec.h
index 9a7c7c8e6d..0d76f50217 100644
--- a/include/nuttx/input/kbd_codec.h
+++ b/include/nuttx/input/kbd_codec.h
@@ -344,4 +344,3 @@ int kbd_decode(FAR struct lib_instream_s *stream,
 
 #endif /* CONFIG_LIB_KBDCODEC */
 #endif /* __INCLUDE_NUTTX_INPUT_KBD_CODEC_H */
-
diff --git a/include/nuttx/input/xbox-controller.h b/include/nuttx/input/xbox-controller.h
index b4e0262740..b151f4c980 100644
--- a/include/nuttx/input/xbox-controller.h
+++ b/include/nuttx/input/xbox-controller.h
@@ -85,4 +85,3 @@ enum
 #endif
 
 #endif /* __INCLUDE_NUTTX_INPUT_XBOX_CONTROLLER_H */
-
diff --git a/include/nuttx/lcd/slcd_codec.h b/include/nuttx/lcd/slcd_codec.h
index 0cb26dd0fd..b9f5088487 100644
--- a/include/nuttx/lcd/slcd_codec.h
+++ b/include/nuttx/lcd/slcd_codec.h
@@ -205,4 +205,3 @@ enum slcdret_e slcd_decode(FAR struct lib_instream_s *stream,
 
 #endif /* CONFIG_LIB_SLCDCODEC */
 #endif /* __INCLUDE_NUTTX_LCD_SLCD_CODEC_H */
-
diff --git a/include/nuttx/lcd/slcd_ioctl.h b/include/nuttx/lcd/slcd_ioctl.h
index 2199cf1418..1fb1ab667c 100644
--- a/include/nuttx/lcd/slcd_ioctl.h
+++ b/include/nuttx/lcd/slcd_ioctl.h
@@ -139,4 +139,3 @@ extern "C"
 #endif
 
 #endif /* __INCLUDE_NUTTX_LCD_SLCD_IOCTL_H */
-
diff --git a/include/nuttx/mm/iob.h b/include/nuttx/mm/iob.h
index 43cceea918..e540cfeb52 100644
--- a/include/nuttx/mm/iob.h
+++ b/include/nuttx/mm/iob.h
@@ -603,4 +603,3 @@ FAR struct iob_userstats_s * iob_getuserstats(enum iob_user_e userid);
 
 #endif /* CONFIG_MM_IOB */
 #endif /* _INCLUDE_NUTTX_MM_IOB_H */
-
diff --git a/include/nuttx/mqueue.h b/include/nuttx/mqueue.h
index 272de44775..fe230252c7 100644
--- a/include/nuttx/mqueue.h
+++ b/include/nuttx/mqueue.h
@@ -407,4 +407,3 @@ int nxmq_desclose_group(mqd_t mqdes, FAR struct task_group_s *group);
 
 #endif /* CONFIG_MQ_MAXMSGSIZE > 0 */
 #endif /* ___INCLUDE_NUTTX_MQUEUE_H */
-
diff --git a/include/nuttx/net/dns.h b/include/nuttx/net/dns.h
index a04f728947..04e44c5784 100644
--- a/include/nuttx/net/dns.h
+++ b/include/nuttx/net/dns.h
@@ -253,4 +253,3 @@ int dns_unregister_notify(dns_callback_t callback, FAR void *arg);
 #endif
 
 #endif /* __INCLUDE_NUTTX_NET_DNS_H */
-
diff --git a/include/nuttx/net/net.h b/include/nuttx/net/net.h
index 5924ecbf45..7fc4154a02 100644
--- a/include/nuttx/net/net.h
+++ b/include/nuttx/net/net.h
@@ -1569,4 +1569,3 @@ int netdev_unregister(FAR struct net_driver_s *dev);
 
 #endif /* CONFIG_NET */
 #endif /* __INCLUDE_NUTTX_NET_NET_H */
-
diff --git a/include/nuttx/nx/nx.h b/include/nuttx/nx/nx.h
index 69f5ba3d56..fa3cc1310e 100644
--- a/include/nuttx/nx/nx.h
+++ b/include/nuttx/nx/nx.h
@@ -1069,4 +1069,3 @@ int nx_constructwindow(NXHANDLE handle, NXWINDOW hwnd, uint8_t flags,
 #endif
 
 #endif /* _INCLUDE_NUTTX_NX_NX_H */
-
diff --git a/include/nuttx/nx/nxcursor.h b/include/nuttx/nx/nxcursor.h
index b817d0f2ba..4fdf17eaa4 100644
--- a/include/nuttx/nx/nxcursor.h
+++ b/include/nuttx/nx/nxcursor.h
@@ -213,4 +213,3 @@ int nxcursor_get_position(NXHANDLE hnd, FAR struct nxgl_point_s *pos);
 
 #endif /* CONFIG_NX_SWCURSOR || CONFIG_NX_HWCURSOR */
 #endif /* __INCLUDE_NUTTX_NX_NXCURSOR_H */
-
diff --git a/include/nuttx/rptun/rptun.h b/include/nuttx/rptun/rptun.h
index 160595cf16..53892ebd60 100644
--- a/include/nuttx/rptun/rptun.h
+++ b/include/nuttx/rptun/rptun.h
@@ -308,4 +308,3 @@ int rptun_boot(FAR const char *cpuname);
 
 #endif /* CONFIG_RPTUN */
 #endif /* __INCLUDE_NUTTX_RPTUN_RPTUN_H */
-
diff --git a/include/nuttx/sensors/dhtxx.h b/include/nuttx/sensors/dhtxx.h
index 8a94e9f35f..b60415080f 100644
--- a/include/nuttx/sensors/dhtxx.h
+++ b/include/nuttx/sensors/dhtxx.h
@@ -68,7 +68,7 @@ struct dhtxx_config_s
 
 enum dhtxx_status_e
 {
-  /* Timeout accured waiting for data. */ 
+  /* Timeout accured waiting for data. */
 
   DHTXX_TIMEOUT,
 
diff --git a/include/nuttx/sensors/mlx90614.h b/include/nuttx/sensors/mlx90614.h
index 3ed9e035f2..99e190af3b 100644
--- a/include/nuttx/sensors/mlx90614.h
+++ b/include/nuttx/sensors/mlx90614.h
@@ -185,4 +185,3 @@ int mlx90614_register(FAR const char *devpath, FAR struct i2c_master_s *i2c,
 #endif /* CONFIG_I2C && CONFIG_SENSORS_MLX90614 */
 
 #endif /* __INCLUDE_NUTTX_SENSORS_MLX90614_H */
-
diff --git a/include/nuttx/symtab.h b/include/nuttx/symtab.h
index 9eb493411c..2a09197ab9 100644
--- a/include/nuttx/symtab.h
+++ b/include/nuttx/symtab.h
@@ -156,4 +156,3 @@ void symtab_sortbyname(FAR struct symtab_s *symtab, int nsyms);
 #endif
 
 #endif /* __INCLUDE_NUTTX_SYMTAB_H */
-
diff --git a/include/nuttx/syslog/syslog_rpmsg.h b/include/nuttx/syslog/syslog_rpmsg.h
index 5d3ef7ed6c..8d8f2c4379 100644
--- a/include/nuttx/syslog/syslog_rpmsg.h
+++ b/include/nuttx/syslog/syslog_rpmsg.h
@@ -71,4 +71,3 @@ int syslog_rpmsg_server_init(void);
 #endif
 
 #endif /* __INCLUDE_NUTTX_SYSLOG_SYSLOG_RPMSG_H */
-
diff --git a/include/nuttx/usb/composite.h b/include/nuttx/usb/composite.h
index 9ed054b051..a71cee373a 100644
--- a/include/nuttx/usb/composite.h
+++ b/include/nuttx/usb/composite.h
@@ -81,7 +81,7 @@ extern "C"
  ****************************************************************************/
 
 struct composite_devdesc_s;
-  
+
 /****************************************************************************
  * Public Functions
  ****************************************************************************/
diff --git a/include/nuttx/usb/dfu.h b/include/nuttx/usb/dfu.h
index 1413e754bc..b9c445daa0 100644
--- a/include/nuttx/usb/dfu.h
+++ b/include/nuttx/usb/dfu.h
@@ -70,9 +70,9 @@ extern "C"
  *   None
  *
  ****************************************************************************/
-  
+
 void usbdev_dfu_get_composite_devdesc(struct composite_devdesc_s *dev);
- 
+
 /****************************************************************************
  * Name: usbdev_dfu_activate_bootloader
  *
@@ -91,4 +91,3 @@ void usbdev_dfu_activate_bootloader();
 #endif
 
 #endif /* __INCLUDE_NUTTX_USB_DFU_H */
-
diff --git a/include/nuttx/usb/usb.h b/include/nuttx/usb/usb.h
index 0cf9133460..c728c7761d 100644
--- a/include/nuttx/usb/usb.h
+++ b/include/nuttx/usb/usb.h
@@ -440,7 +440,7 @@ struct usb_iaddesc_s
  * USB_REQ_GETMSFTOSDESCRIPTOR.
  * More details: https://msdn.microsoft.com/en-us/windows/hardware/gg463179
  * And excellent explanation: https://github.com/pbatard/libwdi/wiki/WCID-Devices
- * 
+ *
  * The device will have exactly one "Extended Compat ID Feature Descriptor",
  * which may contain multiple "Function Descriptors" associated with different
  * interfaces.
@@ -468,7 +468,7 @@ struct usb_msft_os_feature_desc_s
 /* Microsoft OS extended property descriptor.
  * This can be used to set specific registry values, such as interface GUID for
  * a device. It is requested per-interface by special request USB_REQ_GETMSFTOSDESCRIPTOR.
- * 
+ *
  * The interface will have one extended properties descriptor, which may contain
  * multiple properties inside it.
  */
@@ -479,7 +479,7 @@ struct usb_msft_os_extprop_hdr_s
   uint8_t version[2];        /* Descriptor syntax version, 0x0100 */
   uint8_t index[2];          /* Set to 5 for "extended property descriptors" */
   uint8_t count[2];          /* Number of property sections */
-  
+
   /* The properties are appended after the header and follow this format:
    * uint8_t prop_len[4];
    * uint8_t data_type[4];
@@ -499,4 +499,3 @@ struct usb_msft_os_extprop_hdr_s
  ************************************************************************************/
 
 #endif /* __INCLUDE_NUTTX_USB_USB_H */
-
diff --git a/include/nuttx/usb/usbdev.h b/include/nuttx/usb/usbdev.h
index 7afbf62d1b..9b75b2e5bc 100644
--- a/include/nuttx/usb/usbdev.h
+++ b/include/nuttx/usb/usbdev.h
@@ -238,7 +238,7 @@ struct composite_devdesc_s
   uint8_t msft_compatible_id[8];
   uint8_t msft_sub_id[8];
 #endif
-  
+
   struct usbdev_devinfo_s devinfo;
 };
 #endif
diff --git a/include/nuttx/video/edid.h b/include/nuttx/video/edid.h
index 29eb8688d0..a987d1447e 100644
--- a/include/nuttx/video/edid.h
+++ b/include/nuttx/video/edid.h
@@ -63,7 +63,7 @@
 
 #define EDID_HEADER_MAGIC_OFFSET        0     /* Fixed header pattern: 00 FF FF FF FF FF FF 00 */
 #define EDID_HEADER_MAGIC_SIZE          8
- 
+
 /* Bytes 8-17:  Vendor Information */
 
 #define EDID_VENDOR_MANUFACTURER_OFFSET 8     /* Encoded 3-character manufacture ID */
diff --git a/include/nuttx/video/video.h b/include/nuttx/video/video.h
index 006699e00b..0ebb95768a 100644
--- a/include/nuttx/video/video.h
+++ b/include/nuttx/video/video.h
@@ -191,7 +191,7 @@ extern "C"
 
 /* RGB565 */
 
-#define V4L2_PIX_FMT_RGB565 v4l2_fourcc('R', 'G', 'B', 'P') 
+#define V4L2_PIX_FMT_RGB565 v4l2_fourcc('R', 'G', 'B', 'P')
 
 /* JFIF JPEG */
 
diff --git a/include/nuttx/wireless/lpwan/sx127x.h b/include/nuttx/wireless/lpwan/sx127x.h
index e6e7e6f2ad..a2c7a63104 100644
--- a/include/nuttx/wireless/lpwan/sx127x.h
+++ b/include/nuttx/wireless/lpwan/sx127x.h
@@ -311,4 +311,3 @@ int sx127x_register(FAR struct spi_dev_s *spi,
                     FAR const struct sx127x_lower_s *lower);
 
 #endif /* __INCLUDE_NUTTX_SX127X_H */
-
diff --git a/include/sys/syscall.h b/include/sys/syscall.h
index 7e941a8461..8518c55d49 100644
--- a/include/sys/syscall.h
+++ b/include/sys/syscall.h
@@ -636,4 +636,3 @@ EXTERN const uint8_t g_funcnparms[SYS_nsyscalls];
 #endif /* __ASSEMBLY__ */
 #endif /* CONFIG_LIB_SYSCALL */
 #endif /* __INCLUDE_SYS_SYSCALL_H */
-
diff --git a/libs/libc/.gitignore b/libs/libc/.gitignore
index 75a441eb21..458e42741b 100644
--- a/libs/libc/.gitignore
+++ b/libs/libc/.gitignore
@@ -5,4 +5,3 @@
 /modlib_symtab.c
 /.depend
 /*.lib
-
diff --git a/libs/libc/dirent/Make.defs b/libs/libc/dirent/Make.defs
index 638781f5e3..60d7926b5f 100644
--- a/libs/libc/dirent/Make.defs
+++ b/libs/libc/dirent/Make.defs
@@ -41,4 +41,3 @@ CSRCS += lib_readdirr.c lib_telldir.c lib_alphasort.c lib_scandir.c
 
 DEPPATH += --dep-path dirent
 VPATH += :dirent
-
diff --git a/libs/libc/dirent/lib_readdirr.c b/libs/libc/dirent/lib_readdirr.c
index 1f0a9fad84..50dddc6068 100644
--- a/libs/libc/dirent/lib_readdirr.c
+++ b/libs/libc/dirent/lib_readdirr.c
@@ -119,4 +119,3 @@ int readdir_r(FAR DIR *dirp, FAR struct dirent *entry,
     }
   return 0;
 }
-
diff --git a/libs/libc/dirent/lib_telldir.c b/libs/libc/dirent/lib_telldir.c
index e350a1480b..36e2e0a94f 100644
--- a/libs/libc/dirent/lib_telldir.c
+++ b/libs/libc/dirent/lib_telldir.c
@@ -88,4 +88,3 @@ off_t telldir(FAR DIR *dirp)
 
   return idir->fd_position;
 }
-
diff --git a/libs/libc/libc.h b/libs/libc/libc.h
index 153fa23ce9..e76da6c3c6 100644
--- a/libs/libc/libc.h
+++ b/libs/libc/libc.h
@@ -236,4 +236,3 @@ ssize_t lib_parse_hostfile(FAR FILE *stream, FAR struct hostent *host,
 #endif
 
 #endif /* __LIBC_LIBC_H */
-
diff --git a/libs/libc/machine/sim/arch_elf.c b/libs/libc/machine/sim/arch_elf.c
index 9404de3cc3..3d0f167eb0 100644
--- a/libs/libc/machine/sim/arch_elf.c
+++ b/libs/libc/machine/sim/arch_elf.c
@@ -139,4 +139,3 @@ int up_relocateadd(FAR const Elf32_Rela *rel, FAR const Elf32_Sym *sym,
   berr("ERROR: Not supported\n");
   return -ENOSYS;
 }
-
diff --git a/libs/libc/misc/lib_envpath.c b/libs/libc/misc/lib_envpath.c
index f5fa33ce8f..581261db9c 100644
--- a/libs/libc/misc/lib_envpath.c
+++ b/libs/libc/misc/lib_envpath.c
@@ -275,4 +275,3 @@ void envpath_release(ENVPATH_HANDLE handle)
 }
 
 #endif /* CONFIG_LIBC_ENVPATH */
-
diff --git a/libs/libc/misc/lib_kbddecode.c b/libs/libc/misc/lib_kbddecode.c
index 02b28469f7..a749fe6c2d 100644
--- a/libs/libc/misc/lib_kbddecode.c
+++ b/libs/libc/misc/lib_kbddecode.c
@@ -264,4 +264,3 @@ int kbd_decode(FAR struct lib_instream_s *stream,
   state->nch = 0;
   return TERM_RETURN(state->buf[NDX_TERMINATOR]);
 }
-
diff --git a/libs/libc/misc/lib_mkfifo.c b/libs/libc/misc/lib_mkfifo.c
index 74dd492e75..42aff2b063 100644
--- a/libs/libc/misc/lib_mkfifo.c
+++ b/libs/libc/misc/lib_mkfifo.c
@@ -85,4 +85,3 @@ int mkfifo(FAR const char *pathname, mode_t mode)
 }
 
 #endif /* CONFIG_PIPES && CONFIG_DEV_FIFO_SIZE > 0 */
-
diff --git a/libs/libc/misc/lib_sendfile.c b/libs/libc/misc/lib_sendfile.c
index 10a42ad8d3..44dbcc6ed5 100644
--- a/libs/libc/misc/lib_sendfile.c
+++ b/libs/libc/misc/lib_sendfile.c
@@ -287,4 +287,3 @@ ssize_t sendfile(int outfd, int infd, off_t *offset, size_t count)
 
   return ntransferred;
 }
-
diff --git a/libs/libc/netdb/lib_dnscache.c b/libs/libc/netdb/lib_dnscache.c
index fef1488c6c..6623d6e23a 100644
--- a/libs/libc/netdb/lib_dnscache.c
+++ b/libs/libc/netdb/lib_dnscache.c
@@ -296,4 +296,3 @@ int dns_find_answer(FAR const char *hostname, FAR union dns_addr_u *addr,
 }
 
 #endif /* CONFIG_NETDB_DNSCLIENT_ENTRIES > 0 */
-
diff --git a/libs/libc/netdb/lib_freeaddrinfo.c b/libs/libc/netdb/lib_freeaddrinfo.c
index a9a6cd0147..6b8a02dd38 100644
--- a/libs/libc/netdb/lib_freeaddrinfo.c
+++ b/libs/libc/netdb/lib_freeaddrinfo.c
@@ -65,4 +65,3 @@ void freeaddrinfo(FAR struct addrinfo *ai)
     }
   while (ai != NULL);
 }
-
diff --git a/libs/libc/netdb/lib_gaistrerror.c b/libs/libc/netdb/lib_gaistrerror.c
index 83a078fa50..a1a3253852 100644
--- a/libs/libc/netdb/lib_gaistrerror.c
+++ b/libs/libc/netdb/lib_gaistrerror.c
@@ -122,4 +122,3 @@ FAR const char *gai_strerror(int errnum)
 #endif
   return "Unknown error";
 }
-
diff --git a/libs/libc/netdb/lib_getservbyname.c b/libs/libc/netdb/lib_getservbyname.c
index 3256eb3527..1bcf78b1a3 100644
--- a/libs/libc/netdb/lib_getservbyname.c
+++ b/libs/libc/netdb/lib_getservbyname.c
@@ -63,4 +63,3 @@ FAR struct servent *getservbyname(FAR const char *name, FAR const char *proto)
 }
 
 #endif /* CONFIG_LIBC_NETDB */
-
diff --git a/libs/libc/pthread/pthread_attr_destroy.c b/libs/libc/pthread/pthread_attr_destroy.c
index 2beead73ec..c404426014 100644
--- a/libs/libc/pthread/pthread_attr_destroy.c
+++ b/libs/libc/pthread/pthread_attr_destroy.c
@@ -83,5 +83,3 @@ int pthread_attr_destroy(FAR pthread_attr_t *attr)
   linfo("Returning %d\n", ret);
   return ret;
 }
-
-
diff --git a/libs/libc/pthread/pthread_attr_getstack.c b/libs/libc/pthread/pthread_attr_getstack.c
index e2489e2ab6..a1899446d2 100644
--- a/libs/libc/pthread/pthread_attr_getstack.c
+++ b/libs/libc/pthread/pthread_attr_getstack.c
@@ -84,5 +84,3 @@ int pthread_attr_getstack(FAR pthread_attr_t *attr,
   linfo("Returning %d\n", ret);
   return ret;
 }
-
-
diff --git a/libs/libc/pthread/pthread_attr_getstacksize.c b/libs/libc/pthread/pthread_attr_getstacksize.c
index 56dddb5830..195c188cc6 100644
--- a/libs/libc/pthread/pthread_attr_getstacksize.c
+++ b/libs/libc/pthread/pthread_attr_getstacksize.c
@@ -83,5 +83,3 @@ int pthread_attr_getstacksize(FAR const pthread_attr_t *attr,
   linfo("Returning %d\n", ret);
   return ret;
 }
-
-
diff --git a/libs/libc/pthread/pthread_attr_init.c b/libs/libc/pthread/pthread_attr_init.c
index 9035b59e80..cd89b20514 100644
--- a/libs/libc/pthread/pthread_attr_init.c
+++ b/libs/libc/pthread/pthread_attr_init.c
@@ -105,4 +105,3 @@ int pthread_attr_init(FAR pthread_attr_t *attr)
   linfo("Returning %d\n", ret);
   return ret;
 }
-
diff --git a/libs/libc/pthread/pthread_attr_setinheritsched.c b/libs/libc/pthread/pthread_attr_setinheritsched.c
index 073c6a271c..ef5b852a22 100644
--- a/libs/libc/pthread/pthread_attr_setinheritsched.c
+++ b/libs/libc/pthread/pthread_attr_setinheritsched.c
@@ -90,4 +90,3 @@ int pthread_attr_setinheritsched(FAR pthread_attr_t *attr,
   linfo("Returning %d\n", ret);
   return ret;
 }
-
diff --git a/libs/libc/pthread/pthread_attr_setstack.c b/libs/libc/pthread/pthread_attr_setstack.c
index 327203db6f..eefd684db7 100644
--- a/libs/libc/pthread/pthread_attr_setstack.c
+++ b/libs/libc/pthread/pthread_attr_setstack.c
@@ -86,4 +86,3 @@ int pthread_attr_setstack(FAR pthread_attr_t *attr,
   linfo("Returning %d\n", ret);
   return ret;
 }
-
diff --git a/libs/libc/pthread/pthread_attr_setstacksize.c b/libs/libc/pthread/pthread_attr_setstacksize.c
index 2fefa0880f..6e7a55f0fe 100644
--- a/libs/libc/pthread/pthread_attr_setstacksize.c
+++ b/libs/libc/pthread/pthread_attr_setstacksize.c
@@ -83,4 +83,3 @@ int pthread_attr_setstacksize(FAR pthread_attr_t *attr, size_t stacksize)
   linfo("Returning %d\n", ret);
   return ret;
 }
-
diff --git a/libs/libc/pthread/pthread_condattr_destroy.c b/libs/libc/pthread/pthread_condattr_destroy.c
index 4f87cbe6b8..e71683d369 100644
--- a/libs/libc/pthread/pthread_condattr_destroy.c
+++ b/libs/libc/pthread/pthread_condattr_destroy.c
@@ -77,6 +77,3 @@ int pthread_condattr_destroy(FAR pthread_condattr_t *attr)
   linfo("Returning %d\n", ret);
   return ret;
 }
-
-
-
diff --git a/libs/libc/pthread/pthread_conddestroy.c b/libs/libc/pthread/pthread_conddestroy.c
index d721eb3149..53c7f90724 100644
--- a/libs/libc/pthread/pthread_conddestroy.c
+++ b/libs/libc/pthread/pthread_conddestroy.c
@@ -84,4 +84,3 @@ int pthread_cond_destroy(FAR pthread_cond_t *cond)
   sinfo("Returning %d\n", ret);
   return ret;
 }
-
diff --git a/libs/libc/queue/dq_addfirst.c b/libs/libc/queue/dq_addfirst.c
index 959dea7311..869d7b26bf 100644
--- a/libs/libc/queue/dq_addfirst.c
+++ b/libs/libc/queue/dq_addfirst.c
@@ -67,4 +67,3 @@ void dq_addfirst(FAR dq_entry_t *node, dq_queue_t *queue)
       queue->head = node;
     }
 }
-
diff --git a/libs/libc/queue/dq_remlast.c b/libs/libc/queue/dq_remlast.c
index ab5f503281..f1f43adc5b 100644
--- a/libs/libc/queue/dq_remlast.c
+++ b/libs/libc/queue/dq_remlast.c
@@ -75,4 +75,3 @@ FAR dq_entry_t *dq_remlast(dq_queue_t *queue)
 
   return ret;
 }
-
diff --git a/libs/libc/queue/sq_remfirst.c b/libs/libc/queue/sq_remfirst.c
index cbfd556767..0319dbb843 100644
--- a/libs/libc/queue/sq_remfirst.c
+++ b/libs/libc/queue/sq_remfirst.c
@@ -68,4 +68,3 @@ FAR sq_entry_t *sq_remfirst(sq_queue_t *queue)
 
   return ret;
 }
-
diff --git a/libs/libc/signal/sig_delset.c b/libs/libc/signal/sig_delset.c
index 75f07676a5..6fdeb7cd04 100644
--- a/libs/libc/signal/sig_delset.c
+++ b/libs/libc/signal/sig_delset.c
@@ -79,4 +79,3 @@ int sigdelset(FAR sigset_t *set, int signo)
       return OK;
     }
 }
-
diff --git a/libs/libc/signal/sig_emptyset.c b/libs/libc/signal/sig_emptyset.c
index c9a0338cd3..71decef546 100644
--- a/libs/libc/signal/sig_emptyset.c
+++ b/libs/libc/signal/sig_emptyset.c
@@ -65,4 +65,3 @@ int sigemptyset(FAR sigset_t *set)
   *set = NULL_SIGNAL_SET;
   return OK;
 }
-
diff --git a/libs/libc/signal/sig_fillset.c b/libs/libc/signal/sig_fillset.c
index ebdd408605..060d6025fc 100644
--- a/libs/libc/signal/sig_fillset.c
+++ b/libs/libc/signal/sig_fillset.c
@@ -63,4 +63,3 @@ int sigfillset(FAR sigset_t *set)
   *set = ALL_SIGNAL_SET;
   return OK;
 }
-
diff --git a/libs/libc/signal/sig_ismember.c b/libs/libc/signal/sig_ismember.c
index f7c4248465..443404a771 100644
--- a/libs/libc/signal/sig_ismember.c
+++ b/libs/libc/signal/sig_ismember.c
@@ -78,4 +78,3 @@ int sigismember(FAR const sigset_t *set, int signo)
 
   return ret;
 }
-
diff --git a/libs/libc/spawn/lib_psfa_dump.c b/libs/libc/spawn/lib_psfa_dump.c
index 5975034f7c..a3f2ad1f5c 100644
--- a/libs/libc/spawn/lib_psfa_dump.c
+++ b/libs/libc/spawn/lib_psfa_dump.c
@@ -132,4 +132,3 @@ void posix_spawn_file_actions_dump(FAR posix_spawn_file_actions_t *file_actions)
 }
 
 #endif /* CONFIG_DEBUG_FEATURES */
-
diff --git a/libs/libc/stdio/lib_clearerr.c b/libs/libc/stdio/lib_clearerr.c
index 0475773a51..4dd0b34a72 100644
--- a/libs/libc/stdio/lib_clearerr.c
+++ b/libs/libc/stdio/lib_clearerr.c
@@ -66,4 +66,3 @@ void clearerr(FILE *stream)
   stream->fs_flags = 0;
 }
 #endif /* CONFIG_NFILE_STREAMS */
-
diff --git a/libs/libc/stdio/lib_feof.c b/libs/libc/stdio/lib_feof.c
index 93fe84f065..498c50ead6 100644
--- a/libs/libc/stdio/lib_feof.c
+++ b/libs/libc/stdio/lib_feof.c
@@ -74,4 +74,3 @@ int feof(FILE *stream)
 }
 
 #endif /* CONFIG_NFILE_STREAMS */
-
diff --git a/libs/libc/stdio/lib_ferror.c b/libs/libc/stdio/lib_ferror.c
index 16d9f8f16f..bccdb9c8d5 100644
--- a/libs/libc/stdio/lib_ferror.c
+++ b/libs/libc/stdio/lib_ferror.c
@@ -73,4 +73,3 @@ int ferror(FILE *stream)
 }
 
 #endif /* CONFIG_NFILE_STREAMS */
-
diff --git a/libs/libc/stdio/lib_fflush.c b/libs/libc/stdio/lib_fflush.c
index b30cc21564..0cef2ca7de 100644
--- a/libs/libc/stdio/lib_fflush.c
+++ b/libs/libc/stdio/lib_fflush.c
@@ -101,4 +101,3 @@ int fflush(FAR FILE *stream)
 
   return OK;
 }
-
diff --git a/libs/libc/stdio/lib_libfflush.c b/libs/libc/stdio/lib_libfflush.c
index a05092db5c..16e07cf4ea 100644
--- a/libs/libc/stdio/lib_libfflush.c
+++ b/libs/libc/stdio/lib_libfflush.c
@@ -184,4 +184,3 @@ errout_with_sem:
   return 0;
 #endif
 }
-
diff --git a/libs/libc/stdio/lib_libvscanf.c b/libs/libc/stdio/lib_libvscanf.c
index e1ce055f8e..9853d5fda2 100644
--- a/libs/libc/stdio/lib_libvscanf.c
+++ b/libs/libc/stdio/lib_libvscanf.c
@@ -1220,4 +1220,3 @@ int lib_vscanf(FAR struct lib_instream_s *obj, FAR int *lastc,
   *lastc = c;
   return (count || !conv) ? assigncount : EOF;
 }
-
diff --git a/libs/libc/stdio/lib_nullinstream.c b/libs/libc/stdio/lib_nullinstream.c
index bd285c064b..f060743831 100644
--- a/libs/libc/stdio/lib_nullinstream.c
+++ b/libs/libc/stdio/lib_nullinstream.c
@@ -76,4 +76,3 @@ void lib_nullinstream(FAR struct lib_instream_s *nullinstream)
   nullinstream->get  = nullinstream_getc;
   nullinstream->nget = 0;
 }
-
diff --git a/libs/libc/stdio/lib_nulloutstream.c b/libs/libc/stdio/lib_nulloutstream.c
index 787c4bb39b..4b60a04c98 100644
--- a/libs/libc/stdio/lib_nulloutstream.c
+++ b/libs/libc/stdio/lib_nulloutstream.c
@@ -79,4 +79,3 @@ void lib_nulloutstream(FAR struct lib_outstream_s *nulloutstream)
   nulloutstream->flush = lib_noflush;
   nulloutstream->nput  = 0;
 }
-
diff --git a/libs/libc/stdio/lib_perror.c b/libs/libc/stdio/lib_perror.c
index 5a93513f67..1df866055f 100644
--- a/libs/libc/stdio/lib_perror.c
+++ b/libs/libc/stdio/lib_perror.c
@@ -77,4 +77,3 @@ void perror(FAR const char *s)
   fprintf(PERROR_STREAM, "%s: Error %d\n", s, errno);
 #endif
 }
-
diff --git a/libs/libc/stdio/lib_puts.c b/libs/libc/stdio/lib_puts.c
index ccbf1a2a97..a70e31a34d 100644
--- a/libs/libc/stdio/lib_puts.c
+++ b/libs/libc/stdio/lib_puts.c
@@ -94,4 +94,3 @@ int puts(FAR const char *s)
   lib_give_semaphore(stdout);
   return nput;
 }
-
diff --git a/libs/libc/stdio/lib_ungetc.c b/libs/libc/stdio/lib_ungetc.c
index 677c3740eb..5b45af9df1 100644
--- a/libs/libc/stdio/lib_ungetc.c
+++ b/libs/libc/stdio/lib_ungetc.c
@@ -89,4 +89,3 @@ int ungetc(int c, FAR FILE *stream)
       return EOF;
     }
 }
-
diff --git a/libs/libc/stdio/lib_vprintf.c b/libs/libc/stdio/lib_vprintf.c
index 7ccadd51b2..218b359af0 100644
--- a/libs/libc/stdio/lib_vprintf.c
+++ b/libs/libc/stdio/lib_vprintf.c
@@ -53,4 +53,3 @@ int vprintf(FAR const IPTR char *fmt, va_list ap)
 
   return vfprintf(stdout, fmt, ap);
 }
-
diff --git a/libs/libc/stdio/lib_zeroinstream.c b/libs/libc/stdio/lib_zeroinstream.c
index 7194023284..3208b73e7c 100644
--- a/libs/libc/stdio/lib_zeroinstream.c
+++ b/libs/libc/stdio/lib_zeroinstream.c
@@ -76,4 +76,3 @@ void lib_zeroinstream(FAR struct lib_instream_s *zeroinstream)
   zeroinstream->get  = zeroinstream_getc;
   zeroinstream->nget = 0;
 }
-
diff --git a/libs/libc/stdlib/lib_mktemp.c b/libs/libc/stdlib/lib_mktemp.c
index e547753259..b6bb6ed264 100644
--- a/libs/libc/stdlib/lib_mktemp.c
+++ b/libs/libc/stdlib/lib_mktemp.c
@@ -78,4 +78,3 @@ int mktemp(FAR char *path_template)
 }
 
 #endif /* CONFIG_FS_WRITABLE */
-
diff --git a/libs/libc/string/lib_flsll.c b/libs/libc/string/lib_flsll.c
index 26bf7328d5..ec86f0b4a0 100644
--- a/libs/libc/string/lib_flsll.c
+++ b/libs/libc/string/lib_flsll.c
@@ -95,4 +95,3 @@ int flsll(long long j)
 }
 
 #endif
-
diff --git a/libs/libc/string/lib_isbasedigit.c b/libs/libc/string/lib_isbasedigit.c
index 398e2fc918..8e9d81c4ac 100644
--- a/libs/libc/string/lib_isbasedigit.c
+++ b/libs/libc/string/lib_isbasedigit.c
@@ -101,5 +101,3 @@ bool lib_isbasedigit(int ch, int base, int *value)
     }
   return ret;
 }
-
-
diff --git a/libs/libc/string/lib_skipspace.c b/libs/libc/string/lib_skipspace.c
index 1024e11bc7..d9e80621b1 100644
--- a/libs/libc/string/lib_skipspace.c
+++ b/libs/libc/string/lib_skipspace.c
@@ -65,5 +65,3 @@ void lib_skipspace(const char **pptr)
    while (isspace(*ptr)) ptr++;
    *pptr = ptr;
 }
-
-
diff --git a/libs/libc/string/lib_strcasestr.c b/libs/libc/string/lib_strcasestr.c
index a5090fc1ae..a48b16a0d7 100644
--- a/libs/libc/string/lib_strcasestr.c
+++ b/libs/libc/string/lib_strcasestr.c
@@ -134,4 +134,3 @@ FAR char *strcasestr(FAR const char *str, FAR const char *substr)
 
   return NULL;
 }
-
diff --git a/libs/libc/string/lib_strcspn.c b/libs/libc/string/lib_strcspn.c
index 6c1d9a1518..431d8d4fee 100644
--- a/libs/libc/string/lib_strcspn.c
+++ b/libs/libc/string/lib_strcspn.c
@@ -60,4 +60,3 @@ size_t strcspn(const char *s, const char *reject)
   for (i = 0; s[i] && strchr(reject, s[i]) == NULL; i++);
   return i;
 }
-
diff --git a/libs/libc/string/lib_strpbrk.c b/libs/libc/string/lib_strpbrk.c
index 75b7a1fbf2..6e7ab63d0c 100644
--- a/libs/libc/string/lib_strpbrk.c
+++ b/libs/libc/string/lib_strpbrk.c
@@ -82,4 +82,3 @@ FAR char *strpbrk(FAR const char *str, FAR const char *charset)
 
   return NULL;
 }
-
diff --git a/libs/libc/string/lib_strrchr.c b/libs/libc/string/lib_strrchr.c
index 048b80a3a5..8e96d81c9d 100644
--- a/libs/libc/string/lib_strrchr.c
+++ b/libs/libc/string/lib_strrchr.c
@@ -65,4 +65,3 @@ FAR char *strrchr(FAR const char *s, int c)
 
   return NULL;
 }
-
diff --git a/libs/libc/string/lib_strstr.c b/libs/libc/string/lib_strstr.c
index 7a4342a29e..8706a9727b 100644
--- a/libs/libc/string/lib_strstr.c
+++ b/libs/libc/string/lib_strstr.c
@@ -103,4 +103,3 @@ FAR char *strstr(FAR const char *str, FAR const char *substr)
 
   return NULL;
 }
-
diff --git a/libs/libc/syslog/lib_syslog.c b/libs/libc/syslog/lib_syslog.c
index e43a463bd3..4f8b398458 100644
--- a/libs/libc/syslog/lib_syslog.c
+++ b/libs/libc/syslog/lib_syslog.c
@@ -116,4 +116,3 @@ void syslog(int priority, FAR const IPTR char *fmt, ...)
   vsyslog(priority, fmt, ap);
   va_end(ap);
 }
-
diff --git a/libs/libc/termios/Make.defs b/libs/libc/termios/Make.defs
index 8503fbe97b..2d9f3459f5 100644
--- a/libs/libc/termios/Make.defs
+++ b/libs/libc/termios/Make.defs
@@ -49,4 +49,3 @@ DEPPATH += --dep-path termios
 VPATH += termios
 
 endif
-
diff --git a/libs/libc/time/lib_calendar2utc.c b/libs/libc/time/lib_calendar2utc.c
index 70d9b76e0d..e353884917 100644
--- a/libs/libc/time/lib_calendar2utc.c
+++ b/libs/libc/time/lib_calendar2utc.c
@@ -110,7 +110,7 @@ time_t clock_calendar2utc(int year, int month, int day)
 
   /* Correct year & month ranges.  Shift month into range 1-12 */
 
-  dyear = (month-1) / 12;	
+  dyear = (month-1) / 12;
   month -= 12 * dyear;
   year += dyear;
 
@@ -192,4 +192,3 @@ time_t clock_calendar2utc(int year, int month, int day)
   return days;
 }
 #endif /* CONFIG_GREGORIAN_TIME */
-
diff --git a/libs/libc/time/lib_daysbeforemonth.c b/libs/libc/time/lib_daysbeforemonth.c
index 8b881aa547..9fb2c272fa 100644
--- a/libs/libc/time/lib_daysbeforemonth.c
+++ b/libs/libc/time/lib_daysbeforemonth.c
@@ -84,5 +84,3 @@ int clock_daysbeforemonth(int month, bool leapyear)
 
   return retval;
 }
-
-
diff --git a/libs/libc/time/lib_gmtime.c b/libs/libc/time/lib_gmtime.c
index 600b27b26d..8ef0b68707 100644
--- a/libs/libc/time/lib_gmtime.c
+++ b/libs/libc/time/lib_gmtime.c
@@ -62,4 +62,3 @@ struct tm *gmtime(const time_t *timer)
   static struct tm tm;
   return gmtime_r(timer, &tm);
 }
-
diff --git a/libs/libc/time/lib_isleapyear.c b/libs/libc/time/lib_isleapyear.c
index 41599a446f..6a1459af94 100644
--- a/libs/libc/time/lib_isleapyear.c
+++ b/libs/libc/time/lib_isleapyear.c
@@ -85,4 +85,3 @@ int clock_isleapyear(int year)
 {
   return (year % 400) ? ((year % 100) ? ((year % 4) ? 0 : 1) : 0) : 1;
 }
-
diff --git a/libs/libc/unistd/lib_pipe.c b/libs/libc/unistd/lib_pipe.c
index 11c23c4b64..bd16b0f410 100644
--- a/libs/libc/unistd/lib_pipe.c
+++ b/libs/libc/unistd/lib_pipe.c
@@ -73,4 +73,3 @@ int pipe(int fd[2])
 }
 
 #endif /* CONFIG_PIPES && CONFIG_DEV_PIPE_SIZE > 0 */
-
diff --git a/libs/libc/unistd/lib_setregid.c b/libs/libc/unistd/lib_setregid.c
index 5beee654a2..7597b4f8e5 100644
--- a/libs/libc/unistd/lib_setregid.c
+++ b/libs/libc/unistd/lib_setregid.c
@@ -56,7 +56,7 @@
  * Input Parameters:
  *   rgid - Real group identity to set.  The special value (gid_t)-1
  *          indicates that the real group ID should not be changed.
- *   rgid - Effective group identity to set.  The special value (gid_t)-1 
+ *   rgid - Effective group identity to set.  The special value (gid_t)-1
  *          indicates that the effective group ID should not be changed.
  *
  * Returned Value:
diff --git a/libs/libc/unistd/lib_setreuid.c b/libs/libc/unistd/lib_setreuid.c
index 46569577b5..aa10588e7b 100644
--- a/libs/libc/unistd/lib_setreuid.c
+++ b/libs/libc/unistd/lib_setreuid.c
@@ -56,7 +56,7 @@
  * Input Parameters:
  *   ruid - Real user identity to set.  The special value (uid_t)-1
  *          indicates that the real user ID should not be changed.
- *   ruid - Effective user identity to set.  The special value (uid_t)-1 
+ *   ruid - Effective user identity to set.  The special value (uid_t)-1
  *          indicates that the effective user ID should not be changed.
  *
  * Returned Value:
diff --git a/libs/libc/userfs/.gitignore b/libs/libc/userfs/.gitignore
index 91d1ddb7d0..f5120451c2 100644
--- a/libs/libc/userfs/.gitignore
+++ b/libs/libc/userfs/.gitignore
@@ -7,4 +7,3 @@
 /tzcode-latest.tar.gz
 /tzcode
 /tzdata-latest.tar.gz
-
diff --git a/libs/libc/wchar/Make.defs b/libs/libc/wchar/Make.defs
index 592c784449..f975ca2745 100644
--- a/libs/libc/wchar/Make.defs
+++ b/libs/libc/wchar/Make.defs
@@ -51,4 +51,3 @@ DEPPATH += --dep-path wchar
 VPATH += :wchar
 
 endif
-
diff --git a/libs/libc/wchar/lib_mbsnrtowcs.c b/libs/libc/wchar/lib_mbsnrtowcs.c
index 55cbe1dbfc..6df037a640 100644
--- a/libs/libc/wchar/lib_mbsnrtowcs.c
+++ b/libs/libc/wchar/lib_mbsnrtowcs.c
@@ -88,4 +88,3 @@ size_t mbsnrtowcs(FAR wchar_t *dst, FAR const char **src, size_t nms,
 }
 
 #endif /* CONFIG_LIBC_WCHAR */
-
diff --git a/libs/libc/zoneinfo/.gitignore b/libs/libc/zoneinfo/.gitignore
index 91d1ddb7d0..f5120451c2 100644
--- a/libs/libc/zoneinfo/.gitignore
+++ b/libs/libc/zoneinfo/.gitignore
@@ -7,4 +7,3 @@
 /tzcode-latest.tar.gz
 /tzcode
 /tzdata-latest.tar.gz
-
diff --git a/libs/libnx/.gitignore b/libs/libnx/.gitignore
index 44efe433f0..77e9ad0bfd 100644
--- a/libs/libnx/.gitignore
+++ b/libs/libnx/.gitignore
@@ -3,4 +3,3 @@
 /Make_kbin.dep
 /.depend
 /*.lib
-
diff --git a/libs/libnx/nxfonts/.gitignore b/libs/libnx/nxfonts/.gitignore
index 9046607726..de045a96c8 100644
--- a/libs/libnx/nxfonts/.gitignore
+++ b/libs/libnx/nxfonts/.gitignore
@@ -1,4 +1,3 @@
 nxfonts_convert_*bpp.c
 nxfonts_bitmaps_*.c
 nxfonts_tom-thumb-4x6.c
-
diff --git a/libs/libnx/nxfonts/Kconfig b/libs/libnx/nxfonts/Kconfig
index 5acc2a8348..3447c70c30 100644
--- a/libs/libnx/nxfonts/Kconfig
+++ b/libs/libnx/nxfonts/Kconfig
@@ -404,4 +404,3 @@ config NXFONTS_PACKEDMSFIRST
 		pixels pack from the MS to LS or from LS to MS
 
 endmenu
-
diff --git a/libs/libnx/nxfonts/nxfonts_bitmaps.c b/libs/libnx/nxfonts/nxfonts_bitmaps.c
index b8429a0ba8..01ce77a336 100644
--- a/libs/libnx/nxfonts/nxfonts_bitmaps.c
+++ b/libs/libnx/nxfonts/nxfonts_bitmaps.c
@@ -1738,4 +1738,3 @@ const struct nx_fontpackage_s NXF_SYMNAME(NXFONTS_PREFIX,package) =
 /****************************************************************************
  * Public Functions
  ****************************************************************************/
-
diff --git a/libs/libnx/nxglib/nxglib_colorcmp.c b/libs/libnx/nxglib/nxglib_colorcmp.c
index db84519452..6786b915e0 100644
--- a/libs/libnx/nxglib/nxglib_colorcmp.c
+++ b/libs/libnx/nxglib/nxglib_colorcmp.c
@@ -70,4 +70,3 @@ bool nxgl_colorcmp(const nxgl_mxpixel_t color1[CONFIG_NX_NPLANES],
 
   return true;
 }
-
diff --git a/libs/libnx/nxglib/nxglib_colorcopy.c b/libs/libnx/nxglib/nxglib_colorcopy.c
index ecac53b633..e14d053554 100644
--- a/libs/libnx/nxglib/nxglib_colorcopy.c
+++ b/libs/libnx/nxglib/nxglib_colorcopy.c
@@ -65,4 +65,3 @@ void nxgl_colorcopy(nxgl_mxpixel_t dest[CONFIG_NX_NPLANES],
       dest[i] = src[i];
     }
 }
-
diff --git a/libs/libnx/nxglib/nxglib_nonintersecting.c b/libs/libnx/nxglib/nxglib_nonintersecting.c
index 748954d946..fe46667292 100644
--- a/libs/libnx/nxglib/nxglib_nonintersecting.c
+++ b/libs/libnx/nxglib/nxglib_nonintersecting.c
@@ -127,4 +127,3 @@ void nxgl_nonintersecting(FAR struct nxgl_rect_s result[4],
   result[NX_RIGHT_NDX].pt2.x  = rect1->pt2.x;
   result[NX_RIGHT_NDX].pt2.y  = intersection.pt2.y;
 }
-
diff --git a/libs/libnx/nxglib/nxglib_nullrect.c b/libs/libnx/nxglib/nxglib_nullrect.c
index a0dc1fcbe1..7cbfca8671 100644
--- a/libs/libnx/nxglib/nxglib_nullrect.c
+++ b/libs/libnx/nxglib/nxglib_nullrect.c
@@ -59,4 +59,3 @@ bool nxgl_nullrect(FAR const struct nxgl_rect_s *rect)
 {
   return (rect->pt1.x > rect->pt2.x || rect->pt1.y > rect->pt2.y);
 }
-
diff --git a/libs/libnx/nxglib/nxglib_rectadd.c b/libs/libnx/nxglib/nxglib_rectadd.c
index acb069fbb2..a3de1b2a32 100644
--- a/libs/libnx/nxglib/nxglib_rectadd.c
+++ b/libs/libnx/nxglib/nxglib_rectadd.c
@@ -62,4 +62,3 @@ void nxgl_rectadd(FAR struct nxgl_rect_s *dest,
   dest->pt2.x = ngl_max(src1->pt2.x, src2->pt2.x);
   dest->pt2.y = ngl_max(src1->pt2.y, src2->pt2.y);
 }
-
diff --git a/libs/libnx/nxglib/nxglib_rectcopy.c b/libs/libnx/nxglib/nxglib_rectcopy.c
index 19a5ab273f..3246e3c913 100644
--- a/libs/libnx/nxglib/nxglib_rectcopy.c
+++ b/libs/libnx/nxglib/nxglib_rectcopy.c
@@ -62,4 +62,3 @@ void nxgl_rectcopy(FAR struct nxgl_rect_s *dest,
   dest->pt2.x = src->pt2.x;
   dest->pt2.y = src->pt2.y;
 }
-
diff --git a/libs/libnx/nxglib/nxglib_rectinside.c b/libs/libnx/nxglib/nxglib_rectinside.c
index 4f7d78ed42..4a16782e42 100644
--- a/libs/libnx/nxglib/nxglib_rectinside.c
+++ b/libs/libnx/nxglib/nxglib_rectinside.c
@@ -61,4 +61,3 @@ bool nxgl_rectinside(FAR const struct nxgl_rect_s *rect,
   return (pt->x >= rect->pt1.x && pt->x <= rect->pt2.x &&
           pt->y >= rect->pt1.y && pt->y <= rect->pt2.y);
 }
-
diff --git a/libs/libnx/nxglib/nxglib_rectintersect.c b/libs/libnx/nxglib/nxglib_rectintersect.c
index a855bc00dc..9edd552470 100644
--- a/libs/libnx/nxglib/nxglib_rectintersect.c
+++ b/libs/libnx/nxglib/nxglib_rectintersect.c
@@ -62,4 +62,3 @@ void nxgl_rectintersect(FAR struct nxgl_rect_s *dest,
   dest->pt2.x = ngl_min(src1->pt2.x, src2->pt2.x);
   dest->pt2.y = ngl_min(src1->pt2.y, src2->pt2.y);
 }
-
diff --git a/libs/libnx/nxglib/nxglib_rectoffset.c b/libs/libnx/nxglib/nxglib_rectoffset.c
index 7f02e7e812..3148889319 100644
--- a/libs/libnx/nxglib/nxglib_rectoffset.c
+++ b/libs/libnx/nxglib/nxglib_rectoffset.c
@@ -62,4 +62,3 @@ void nxgl_rectoffset(FAR struct nxgl_rect_s *dest,
   dest->pt2.x = src->pt2.x + dx;
   dest->pt2.y = src->pt2.y + dy;
 }
-
diff --git a/libs/libnx/nxglib/nxglib_rectoverlap.c b/libs/libnx/nxglib/nxglib_rectoverlap.c
index cd570311ea..46f480e478 100644
--- a/libs/libnx/nxglib/nxglib_rectoverlap.c
+++ b/libs/libnx/nxglib/nxglib_rectoverlap.c
@@ -67,4 +67,3 @@ bool nxgl_rectoverlap(FAR struct nxgl_rect_s *rect1,
          (rect1->pt1.y <= rect2->pt2.y) &&  /* false: rect1 is wholly below rect2 */
          (rect2->pt1.y <= rect1->pt2.y);    /* false: rect2 is wholly below rect1 */
 }
-
diff --git a/libs/libnx/nxglib/nxglib_rectsize.c b/libs/libnx/nxglib/nxglib_rectsize.c
index 84e7261ae0..2810bddea6 100644
--- a/libs/libnx/nxglib/nxglib_rectsize.c
+++ b/libs/libnx/nxglib/nxglib_rectsize.c
@@ -59,4 +59,3 @@ void nxgl_rectsize(FAR struct nxgl_size_s *size,
   size->w = rect->pt2.x - rect->pt1.x + 1;
   size->h = rect->pt2.y - rect->pt1.y + 1;
 }
-
diff --git a/libs/libnx/nxglib/nxglib_rectunion.c b/libs/libnx/nxglib/nxglib_rectunion.c
index a64d1a71fe..4be9bcdc5e 100644
--- a/libs/libnx/nxglib/nxglib_rectunion.c
+++ b/libs/libnx/nxglib/nxglib_rectunion.c
@@ -63,4 +63,3 @@ void nxgl_rectunion(FAR struct nxgl_rect_s *dest,
   dest->pt2.x = ngl_max(src1->pt2.x, src2->pt2.x);
   dest->pt2.y = ngl_max(src1->pt2.y, src2->pt2.y);
 }
-
diff --git a/libs/libnx/nxglib/nxglib_rgb2yuv.c b/libs/libnx/nxglib/nxglib_rgb2yuv.c
index b521a9a64f..e0461c2879 100644
--- a/libs/libnx/nxglib/nxglib_rgb2yuv.c
+++ b/libs/libnx/nxglib/nxglib_rgb2yuv.c
@@ -85,4 +85,3 @@ void nxgl_rgb2yuv(uint8_t r, uint8_t g, uint8_t b,
   *u = (uint8_t)b16toi(b16_128P0 - b16muli(b16_P1687, r) - b16muli(b16_P3313, g) + b16muli(b16_P5000, b));
   *v = (uint8_t)b16toi(b16_128P0 + b16muli(b16_P5000, r) - b16muli(b16_P4187, g) - b16muli(b16_P0813, b));
 }
-
diff --git a/libs/libnx/nxglib/nxglib_runcopy.c b/libs/libnx/nxglib/nxglib_runcopy.c
index f545d4266e..ab4f6fa838 100644
--- a/libs/libnx/nxglib/nxglib_runcopy.c
+++ b/libs/libnx/nxglib/nxglib_runcopy.c
@@ -60,4 +60,3 @@ void nxgl_runcopy(FAR struct nxgl_run_s *dest, FAR const struct nxgl_run_s *src)
   dest->x2 = src->x2;
   dest->y  = src->y;
 }
-
diff --git a/libs/libnx/nxglib/nxglib_runoffset.c b/libs/libnx/nxglib/nxglib_runoffset.c
index ae2ac51210..4963cf4009 100644
--- a/libs/libnx/nxglib/nxglib_runoffset.c
+++ b/libs/libnx/nxglib/nxglib_runoffset.c
@@ -63,4 +63,3 @@ void nxgl_runoffset(FAR struct nxgl_run_s *dest,
   dest->x2    = src->x2 + b16dx;
   dest->y     = src->y  + dy;
 }
-
diff --git a/libs/libnx/nxglib/nxglib_splitline.c b/libs/libnx/nxglib/nxglib_splitline.c
index fda9af8203..c73e450c70 100644
--- a/libs/libnx/nxglib/nxglib_splitline.c
+++ b/libs/libnx/nxglib/nxglib_splitline.c
@@ -553,4 +553,3 @@ int nxgl_splitline(FAR struct nxgl_vector_s *vector,
 
   return 1;
 }
-
diff --git a/libs/libnx/nxglib/nxglib_trapcopy.c b/libs/libnx/nxglib/nxglib_trapcopy.c
index b1f3fedeff..73ebc0eaa4 100644
--- a/libs/libnx/nxglib/nxglib_trapcopy.c
+++ b/libs/libnx/nxglib/nxglib_trapcopy.c
@@ -60,4 +60,3 @@ void nxgl_trapcopy(FAR struct nxgl_trapezoid_s *dest,
   nxgl_runcopy(&dest->top, &src->top);
   nxgl_runcopy(&dest->bot, &src->bot);
 }
-
diff --git a/libs/libnx/nxglib/nxglib_vectoradd.c b/libs/libnx/nxglib/nxglib_vectoradd.c
index bb5d08a39b..91d1bb1fa4 100644
--- a/libs/libnx/nxglib/nxglib_vectoradd.c
+++ b/libs/libnx/nxglib/nxglib_vectoradd.c
@@ -60,4 +60,3 @@ void nxgl_vectoradd(FAR struct nxgl_point_s *dest,
   dest->x = v1->x + v2->x;
   dest->y = v1->y + v2->y;
 }
-
diff --git a/libs/libnx/nxglib/nxglib_vectsubtract.c b/libs/libnx/nxglib/nxglib_vectsubtract.c
index b422cf8e11..14e51cc21a 100644
--- a/libs/libnx/nxglib/nxglib_vectsubtract.c
+++ b/libs/libnx/nxglib/nxglib_vectsubtract.c
@@ -60,4 +60,3 @@ void nxgl_vectsubtract(FAR struct nxgl_point_s *dest,
   dest->x = v1->x - v2->x;
   dest->y = v1->y - v2->y;
 }
-
diff --git a/libs/libnx/nxglib/nxglib_yuv2rgb.c b/libs/libnx/nxglib/nxglib_yuv2rgb.c
index 38b76bdbad..e036d4d6b1 100644
--- a/libs/libnx/nxglib/nxglib_yuv2rgb.c
+++ b/libs/libnx/nxglib/nxglib_yuv2rgb.c
@@ -84,4 +84,3 @@ void nxgl_yuv2rgb(uint8_t y, uint8_t u, uint8_t v,
   *g = (uint8_t)b16toi(itob16(y) - b16muli(b16_P3441, um128) - b16muli(b16_P7141, vm128));
   *b = (uint8_t)b16toi(itob16(y) + b16muli(b16_1P772, um128));
 }
-
diff --git a/libs/libnx/nxmu/nx_raise.c b/libs/libnx/nxmu/nx_raise.c
index ad7ebf8778..4369e20dee 100644
--- a/libs/libnx/nxmu/nx_raise.c
+++ b/libs/libnx/nxmu/nx_raise.c
@@ -76,4 +76,3 @@ int nx_raise(NXWINDOW hwnd)
 
   return nxmu_sendwindow(wnd, &outmsg, sizeof(struct nxsvrmsg_raise_s));
 }
-
diff --git a/libs/libnx/nxtk/nxtk_toolbarbounds.c b/libs/libnx/nxtk/nxtk_toolbarbounds.c
index 0943ab1552..e13b69c414 100644
--- a/libs/libnx/nxtk/nxtk_toolbarbounds.c
+++ b/libs/libnx/nxtk/nxtk_toolbarbounds.c
@@ -84,4 +84,3 @@ int nxtk_toolbarbounds(NXTKWINDOW hfwnd, FAR struct nxgl_rect_s *bounds)
                   -fwnd->wnd.bounds.pt1.x, -fwnd->wnd.bounds.pt1.y);
   return OK;
 }
-
diff --git a/libs/libxx/libxx_cxapurevirtual.cxx b/libs/libxx/libxx_cxapurevirtual.cxx
index 11be9b80b9..4569637e48 100644
--- a/libs/libxx/libxx_cxapurevirtual.cxx
+++ b/libs/libxx/libxx_cxapurevirtual.cxx
@@ -66,4 +66,3 @@ extern "C"
     DEBUGPANIC();
   }
 }
-
diff --git a/mm/.gitignore b/mm/.gitignore
index 44efe433f0..77e9ad0bfd 100644
--- a/mm/.gitignore
+++ b/mm/.gitignore
@@ -3,4 +3,3 @@
 /Make_kbin.dep
 /.depend
 /*.lib
-
diff --git a/mm/mm_gran/mm_pgalloc.c b/mm/mm_gran/mm_pgalloc.c
index 070e20ce5e..b0a939b109 100644
--- a/mm/mm_gran/mm_pgalloc.c
+++ b/mm/mm_gran/mm_pgalloc.c
@@ -223,4 +223,3 @@ void mm_pginfo(FAR struct pginfo_s *info)
 }
 
 #endif /* CONFIG_MM_PGALLOC */
-
diff --git a/net/arp/arp_table.c b/net/arp/arp_table.c
index 7bf780796a..502411068d 100644
--- a/net/arp/arp_table.c
+++ b/net/arp/arp_table.c
@@ -445,4 +445,3 @@ unsigned int arp_snapshot(FAR struct arp_entry_s *snapshot,
 
 #endif /* CONFIG_NET_ARP */
 #endif /* CONFIG_NET */
-
diff --git a/net/devif/devif_iobsend.c b/net/devif/devif_iobsend.c
index cdd069a27e..4896f8d4b4 100644
--- a/net/devif/devif_iobsend.c
+++ b/net/devif/devif_iobsend.c
@@ -85,4 +85,3 @@ void devif_iob_send(FAR struct net_driver_s *dev, FAR struct iob_s *iob,
 }
 
 #endif /* CONFIG_MM_IOB */
-
diff --git a/net/devif/devif_loopback.c b/net/devif/devif_loopback.c
index 02e9b73291..603d74948a 100644
--- a/net/devif/devif_loopback.c
+++ b/net/devif/devif_loopback.c
@@ -159,4 +159,3 @@ int devif_loopback(FAR struct net_driver_s *dev)
 
   return 1;
 }
-
diff --git a/net/icmpv6/icmpv6.h b/net/icmpv6/icmpv6.h
index f9db0e0432..c82b53d29e 100644
--- a/net/icmpv6/icmpv6.h
+++ b/net/icmpv6/icmpv6.h
@@ -751,4 +751,3 @@ void icmpv6_linkipaddr(FAR struct net_driver_s *dev, net_ipv6addr_t ipaddr);
 
 #endif /* CONFIG_NET_ICMPv6 && !CONFIG_NET_ICMPv6_NO_STACK */
 #endif /* __NET_ICMPv6_ICMPv6_H */
-
diff --git a/net/inet/Make.defs b/net/inet/Make.defs
index 6503ff9464..5ba563253d 100644
--- a/net/inet/Make.defs
+++ b/net/inet/Make.defs
@@ -57,4 +57,3 @@ endif
 
 DEPPATH += --dep-path inet
 VPATH += :inet
-
diff --git a/net/inet/ipv4_setsockopt.c b/net/inet/ipv4_setsockopt.c
index fa67d24ada..e1e21eb7ac 100644
--- a/net/inet/ipv4_setsockopt.c
+++ b/net/inet/ipv4_setsockopt.c
@@ -225,4 +225,3 @@ int ipv4_setsockopt(FAR struct socket *psock, int option,
 }
 
 #endif /* CONFIG_NET_IPv4 */
-
diff --git a/net/inet/ipv6_setsockopt.c b/net/inet/ipv6_setsockopt.c
index 76cbab6a30..4c94f67d0e 100644
--- a/net/inet/ipv6_setsockopt.c
+++ b/net/inet/ipv6_setsockopt.c
@@ -153,4 +153,3 @@ int ipv6_setsockopt(FAR struct socket *psock, int option,
 }
 
 #endif /* CONFIG_NET_IPv6 */
-
diff --git a/net/ipforward/Kconfig b/net/ipforward/Kconfig
index cbf7f3bb6b..cc18dee4ce 100644
--- a/net/ipforward/Kconfig
+++ b/net/ipforward/Kconfig
@@ -36,4 +36,3 @@ config NET_IPFORWARD_NSTRUCT
 		packets that may be waiting to be forwarded from one network device
 		to another.  CONFIG_IOB_NBUFFERS also limits the forward because the
 		payload of the packet (up to the MSS) is retain in IOBs.
-
diff --git a/net/neighbor/neighbor.h b/net/neighbor/neighbor.h
index 508837feab..57d4a6a0bc 100644
--- a/net/neighbor/neighbor.h
+++ b/net/neighbor/neighbor.h
@@ -251,4 +251,3 @@ void neighbor_dumpipaddr(FAR const char *msg,
 
 #endif /* CONFIG_NET_IPv6 */
 #endif /* __NET_NEIGHBOR_NEIGHBOR_H */
-
diff --git a/net/neighbor/neighbor_snapshot.c b/net/neighbor/neighbor_snapshot.c
index a53f0df54e..9e9d0b2757 100644
--- a/net/neighbor/neighbor_snapshot.c
+++ b/net/neighbor/neighbor_snapshot.c
@@ -103,4 +103,3 @@ unsigned int neighbor_snapshot(FAR struct neighbor_entry_s *snapshot,
 }
 
 #endif  /* CONFIG_NETLINK_ROUTE */
-
diff --git a/net/net_initialize.c b/net/net_initialize.c
index 9353c6fe07..eb82777d0f 100644
--- a/net/net_initialize.c
+++ b/net/net_initialize.c
@@ -210,4 +210,3 @@ void net_initialize(void)
 }
 
 #endif /* CONFIG_NET */
-
diff --git a/net/netdev/netdev_carrier.c b/net/netdev/netdev_carrier.c
index 4cded08491..771352a299 100644
--- a/net/netdev/netdev_carrier.c
+++ b/net/netdev/netdev_carrier.c
@@ -108,4 +108,3 @@ int netdev_carrier_off(FAR struct net_driver_s *dev)
 
   return -EINVAL;
 }
-
diff --git a/net/netdev/netdev_count.c b/net/netdev/netdev_count.c
index 3659e30c9e..5b7b5e17ca 100644
--- a/net/netdev/netdev_count.c
+++ b/net/netdev/netdev_count.c
@@ -75,4 +75,3 @@ int netdev_count(void)
   net_unlock();
   return ndev;
 }
-
diff --git a/net/netdev/netdev_default.c b/net/netdev/netdev_default.c
index e570892641..334900fc27 100644
--- a/net/netdev/netdev_default.c
+++ b/net/netdev/netdev_default.c
@@ -99,4 +99,3 @@ FAR struct net_driver_s *netdev_default(void)
   net_unlock();
   return ret;
 }
-
diff --git a/net/netdev/netdev_findbyaddr.c b/net/netdev/netdev_findbyaddr.c
index 448d5647e5..a2a174b9f6 100644
--- a/net/netdev/netdev_findbyaddr.c
+++ b/net/netdev/netdev_findbyaddr.c
@@ -343,4 +343,3 @@ FAR struct net_driver_s *netdev_findby_ripv6addr(const net_ipv6addr_t lipaddr,
   return netdev_default();
 }
 #endif /* CONFIG_NET_IPv6 */
-
diff --git a/net/netdev/netdev_findbyindex.c b/net/netdev/netdev_findbyindex.c
index 0c39b12194..8e27e247c0 100644
--- a/net/netdev/netdev_findbyindex.c
+++ b/net/netdev/netdev_findbyindex.c
@@ -174,4 +174,3 @@ int netdev_nextindex(int ifindex)
   return -ENODEV;
 }
 #endif
-
diff --git a/net/netdev/netdev_findbyname.c b/net/netdev/netdev_findbyname.c
index 41883d9ab1..10c92f0331 100644
--- a/net/netdev/netdev_findbyname.c
+++ b/net/netdev/netdev_findbyname.c
@@ -87,4 +87,3 @@ FAR struct net_driver_s *netdev_findbyname(FAR const char *ifname)
 
   return NULL;
 }
-
diff --git a/net/netdev/netdev_foreach.c b/net/netdev/netdev_foreach.c
index 958e268e6e..30da0805d6 100644
--- a/net/netdev/netdev_foreach.c
+++ b/net/netdev/netdev_foreach.c
@@ -96,4 +96,3 @@ int netdev_foreach(netdev_callback_t callback, FAR void *arg)
 
   return ret;
 }
-
diff --git a/net/netdev/netdev_ioctl.c b/net/netdev/netdev_ioctl.c
index 3218251e80..07216e678b 100644
--- a/net/netdev/netdev_ioctl.c
+++ b/net/netdev/netdev_ioctl.c
@@ -1797,4 +1797,3 @@ void netdev_ifdown(FAR struct net_driver_s *dev)
 #endif
     }
 }
-
diff --git a/net/netdev/netdev_txnotify.c b/net/netdev/netdev_txnotify.c
index 35fbec98c0..94525b6edd 100644
--- a/net/netdev/netdev_txnotify.c
+++ b/net/netdev/netdev_txnotify.c
@@ -145,4 +145,3 @@ void netdev_txnotify_dev(FAR struct net_driver_s *dev)
       dev->d_txavail(dev);
     }
 }
-
diff --git a/net/netdev/netdev_unregister.c b/net/netdev/netdev_unregister.c
index c099b96f0d..aeb43dc733 100644
--- a/net/netdev/netdev_unregister.c
+++ b/net/netdev/netdev_unregister.c
@@ -182,4 +182,3 @@ int netdev_unregister(FAR struct net_driver_s *dev)
 
   return -EINVAL;
 }
-
diff --git a/net/netlink/Kconfig b/net/netlink/Kconfig
index b7d094ea13..d92efeff03 100644
--- a/net/netlink/Kconfig
+++ b/net/netlink/Kconfig
@@ -60,4 +60,3 @@ endif # NETLINK_ROUTE
 endmenu # Netlink Protocols
 endif # NET_NETLINK
 endmenu # Netlink Socket Support
-
diff --git a/net/procfs/netdev_statistics.c b/net/procfs/netdev_statistics.c
index a75ee06f49..f71fcf0dcd 100644
--- a/net/procfs/netdev_statistics.c
+++ b/net/procfs/netdev_statistics.c
@@ -124,7 +124,7 @@ static int netprocfs_radio_linklayer(FAR struct netprocfs_file_s *netfile,
 {
   FAR struct netdev_varaddr_s *addr;
   FAR struct net_driver_s *dev;
-#if RADIO_MAX_ADDRLEN > 1 
+#if RADIO_MAX_ADDRLEN > 1
   int i;
 #endif
 
diff --git a/net/socket/accept.c b/net/socket/accept.c
index eebf563189..d7a78b33a0 100644
--- a/net/socket/accept.c
+++ b/net/socket/accept.c
@@ -305,4 +305,3 @@ errout:
   _SO_SETERRNO(psock, errcode);
   return ERROR;
 }
-
diff --git a/net/socket/listen.c b/net/socket/listen.c
index d267b38ef0..6f1b8951e3 100644
--- a/net/socket/listen.c
+++ b/net/socket/listen.c
@@ -181,4 +181,3 @@ int listen(int sockfd, int backlog)
 
   return OK;
 }
-
diff --git a/net/socket/net_checksd.c b/net/socket/net_checksd.c
index 2a4873dede..65c4a93312 100644
--- a/net/socket/net_checksd.c
+++ b/net/socket/net_checksd.c
@@ -83,4 +83,3 @@ int net_checksd(int sd, int oflags)
 
   return OK;
 }
-
diff --git a/net/socket/net_dupsd.c b/net/socket/net_dupsd.c
index 6944b48e60..74616b0d5a 100644
--- a/net/socket/net_dupsd.c
+++ b/net/socket/net_dupsd.c
@@ -153,4 +153,3 @@ int net_dupsd(int sockfd, int minsd)
 {
   return psock_dupsd(sockfd_socket(sockfd), minsd);
 }
-
diff --git a/net/socket/net_dupsd2.c b/net/socket/net_dupsd2.c
index 4d1cda4718..d8b1d636eb 100644
--- a/net/socket/net_dupsd2.c
+++ b/net/socket/net_dupsd2.c
@@ -109,4 +109,3 @@ errout:
   sched_unlock();
   return ret;
 }
-
diff --git a/net/socket/net_poll.c b/net/socket/net_poll.c
index d86f69e0e7..11fa7c41ff 100644
--- a/net/socket/net_poll.c
+++ b/net/socket/net_poll.c
@@ -116,4 +116,3 @@ int net_poll(int sockfd, struct pollfd *fds, bool setup)
 
   return psock_poll(psock, fds, setup);
 }
-
diff --git a/net/socket/net_sockets.c b/net/socket/net_sockets.c
index 9f9d47099b..d6523ed61c 100644
--- a/net/socket/net_sockets.c
+++ b/net/socket/net_sockets.c
@@ -279,4 +279,3 @@ FAR struct socket *sockfd_socket(int sockfd)
 
   return NULL;
 }
-
diff --git a/net/socket/net_timeo.c b/net/socket/net_timeo.c
index f82e5a9eeb..b98d300920 100644
--- a/net/socket/net_timeo.c
+++ b/net/socket/net_timeo.c
@@ -83,4 +83,3 @@ int net_timeo(clock_t start_time, socktimeo_t timeo)
 }
 
 #endif /* CONFIG_NET && CONFIG_NET_SOCKOPTS */
-
diff --git a/net/socket/net_vfcntl.c b/net/socket/net_vfcntl.c
index e5d340ab31..c1a7a3cfcb 100644
--- a/net/socket/net_vfcntl.c
+++ b/net/socket/net_vfcntl.c
@@ -321,4 +321,3 @@ int net_vfcntl(int sockfd, int cmd, va_list ap)
 {
   return psock_vfcntl(sockfd_socket(sockfd), cmd, ap);
 }
-
diff --git a/net/udp/udp_setsockopt.c b/net/udp/udp_setsockopt.c
index 8877f6192b..1ed66c59b3 100644
--- a/net/udp/udp_setsockopt.c
+++ b/net/udp/udp_setsockopt.c
@@ -168,4 +168,3 @@ int udp_setsockopt(FAR struct socket *psock, int option,
 }
 
 #endif /* CONFIG_NET_UDPPROTO_OPTIONS */
-
diff --git a/net/utils/net_ipv6_maskcmp.c b/net/utils/net_ipv6_maskcmp.c
index e8f7e007b6..6acf167f5c 100644
--- a/net/utils/net_ipv6_maskcmp.c
+++ b/net/utils/net_ipv6_maskcmp.c
@@ -91,4 +91,3 @@ bool net_ipv6addr_maskcmp(const net_ipv6addr_t addr1,
 }
 
 #endif /* CONFIG_NET_IPv6 */
-
diff --git a/sched/environ/env_clearenv.c b/sched/environ/env_clearenv.c
index 63bdc25acf..d2146bc7cd 100644
--- a/sched/environ/env_clearenv.c
+++ b/sched/environ/env_clearenv.c
@@ -78,4 +78,3 @@ int clearenv(void)
 }
 
 #endif /* CONFIG_DISABLE_ENVIRON */
-
diff --git a/sched/environ/env_getenvironptr.c b/sched/environ/env_getenvironptr.c
index dfe579f54b..f908ffc9f0 100644
--- a/sched/environ/env_getenvironptr.c
+++ b/sched/environ/env_getenvironptr.c
@@ -95,4 +95,3 @@ FAR char **get_environ_ptr(void)
 }
 
 #endif /* CONFIG_DISABLE_ENVIRON */
-
diff --git a/sched/environ/env_setenv.c b/sched/environ/env_setenv.c
index 38b7a4eb46..17c7933bec 100644
--- a/sched/environ/env_setenv.c
+++ b/sched/environ/env_setenv.c
@@ -198,4 +198,3 @@ errout:
 }
 
 #endif /* CONFIG_DISABLE_ENVIRON */
-
diff --git a/sched/environ/environ.h b/sched/environ/environ.h
index 1899cc26e2..dafa716c24 100644
--- a/sched/environ/environ.h
+++ b/sched/environ/environ.h
@@ -166,4 +166,3 @@ int env_removevar(FAR struct task_group_s *group, FAR char *pvar);
 
 #endif /* !CONFIG_DISABLE_ENVIRON */
 #endif /* __SCHED_ENVIRON_ENVIRON_H */
-
diff --git a/sched/group/group_create.c b/sched/group/group_create.c
index 67eb186ff2..6ab4c9dbc1 100644
--- a/sched/group/group_create.c
+++ b/sched/group/group_create.c
@@ -384,4 +384,3 @@ int group_initialize(FAR struct task_tcb_s *tcb)
   group->tg_nmembers = 1;
   return OK;
 }
-
diff --git a/sched/group/group_find.c b/sched/group/group_find.c
index 301a3e4820..84cd32a705 100644
--- a/sched/group/group_find.c
+++ b/sched/group/group_find.c
@@ -147,4 +147,3 @@ FAR struct task_group_s *group_findbypid(pid_t pid)
   return NULL;
 }
 #endif
-
diff --git a/sched/group/group_leave.c b/sched/group/group_leave.c
index 084e4a886d..7c0df7dc45 100644
--- a/sched/group/group_leave.c
+++ b/sched/group/group_leave.c
@@ -442,4 +442,3 @@ void group_leave(FAR struct tcb_s *tcb)
 }
 
 #endif /* HAVE_GROUP_MEMBERS */
-
diff --git a/sched/group/group_setupidlefiles.c b/sched/group/group_setupidlefiles.c
index 310eed2496..9f23ec0d9f 100644
--- a/sched/group/group_setupidlefiles.c
+++ b/sched/group/group_setupidlefiles.c
@@ -133,4 +133,3 @@ int group_setupidlefiles(FAR struct task_tcb_s *tcb)
   return OK;
 #endif
 }
-
diff --git a/sched/group/group_setupstreams.c b/sched/group/group_setupstreams.c
index dd91a39588..07f31ffdfb 100644
--- a/sched/group/group_setupstreams.c
+++ b/sched/group/group_setupstreams.c
@@ -91,4 +91,3 @@ int group_setupstreams(FAR struct task_tcb_s *tcb)
 }
 
 #endif /* CONFIG_NFILE_STREAMS > 0 */
-
diff --git a/sched/group/group_setuptaskfiles.c b/sched/group/group_setuptaskfiles.c
index e7d0481dd8..dae52b5589 100644
--- a/sched/group/group_setuptaskfiles.c
+++ b/sched/group/group_setuptaskfiles.c
@@ -239,4 +239,3 @@ int group_setuptaskfiles(FAR struct task_tcb_s *tcb)
   return OK;
 #endif
 }
-
diff --git a/sched/mqueue/Make.defs b/sched/mqueue/Make.defs
index 81f2f4bb90..8c799845a1 100644
--- a/sched/mqueue/Make.defs
+++ b/sched/mqueue/Make.defs
@@ -47,4 +47,3 @@ DEPPATH += --dep-path mqueue
 VPATH += :mqueue
 
 endif
-
diff --git a/sched/mqueue/mq_initialize.c b/sched/mqueue/mq_initialize.c
index 1083ca218b..4878995372 100644
--- a/sched/mqueue/mq_initialize.c
+++ b/sched/mqueue/mq_initialize.c
@@ -232,4 +232,3 @@ void nxmq_alloc_desblock(void)
         }
     }
 }
-
diff --git a/sched/mqueue/mqueue.h b/sched/mqueue/mqueue.h
index 9f5c3009a9..86d4871ce2 100644
--- a/sched/mqueue/mqueue.h
+++ b/sched/mqueue/mqueue.h
@@ -179,4 +179,3 @@ void nxmq_recover(FAR struct tcb_s *tcb);
 
 #endif /* CONFIG_MQ_MAXMSGSIZE > 0 */
 #endif /* __SCHED_MQUEUE_MQUEUE_H */
-
diff --git a/sched/pthread/pthread_completejoin.c b/sched/pthread/pthread_completejoin.c
index e395cd4708..8863c0ccbb 100644
--- a/sched/pthread/pthread_completejoin.c
+++ b/sched/pthread/pthread_completejoin.c
@@ -286,4 +286,3 @@ void pthread_destroyjoin(FAR struct task_group_s *group,
 
   sched_kfree(pjoin);
 }
-
diff --git a/sched/pthread/pthread_condtimedwait.c b/sched/pthread/pthread_condtimedwait.c
index 24ec24ded9..0d83400504 100644
--- a/sched/pthread/pthread_condtimedwait.c
+++ b/sched/pthread/pthread_condtimedwait.c
@@ -349,4 +349,3 @@ int pthread_cond_timedwait(FAR pthread_cond_t *cond, FAR pthread_mutex_t *mutex,
   sinfo("Returning %d\n", ret);
   return ret;
 }
-
diff --git a/sched/pthread/pthread_condwait.c b/sched/pthread/pthread_condwait.c
index 1884ba40b3..7981211014 100644
--- a/sched/pthread/pthread_condwait.c
+++ b/sched/pthread/pthread_condwait.c
@@ -144,4 +144,3 @@ int pthread_cond_wait(FAR pthread_cond_t *cond, FAR pthread_mutex_t *mutex)
   sinfo("Returning %d\n", ret);
   return ret;
 }
-
diff --git a/sched/pthread/pthread_exit.c b/sched/pthread/pthread_exit.c
index 0f79b9513b..87f4052d88 100644
--- a/sched/pthread/pthread_exit.c
+++ b/sched/pthread/pthread_exit.c
@@ -141,4 +141,3 @@ void pthread_exit(FAR void *exit_value)
 
   _exit(EXIT_SUCCESS);
 }
-
diff --git a/sched/pthread/pthread_findjoininfo.c b/sched/pthread/pthread_findjoininfo.c
index 44da10555b..ec87441e24 100644
--- a/sched/pthread/pthread_findjoininfo.c
+++ b/sched/pthread/pthread_findjoininfo.c
@@ -83,4 +83,3 @@ FAR struct join_s *pthread_findjoininfo(FAR struct task_group_s *group,
 
   return pjoin;
 }
-
diff --git a/sched/pthread/pthread_getspecific.c b/sched/pthread/pthread_getspecific.c
index a5b233329e..7d87f05d79 100644
--- a/sched/pthread/pthread_getspecific.c
+++ b/sched/pthread/pthread_getspecific.c
@@ -99,4 +99,3 @@ FAR void *pthread_getspecific(pthread_key_t key)
   return NULL;
 #endif
 }
-
diff --git a/sched/pthread/pthread_keydelete.c b/sched/pthread/pthread_keydelete.c
index 0aa8361782..da961e22d7 100644
--- a/sched/pthread/pthread_keydelete.c
+++ b/sched/pthread/pthread_keydelete.c
@@ -101,4 +101,3 @@ int pthread_key_delete(pthread_key_t key)
   return ENOSYS;
 #endif
 }
-
diff --git a/sched/pthread/pthread_setaffinity.c b/sched/pthread/pthread_setaffinity.c
index ba0a69e8f2..92f0a419d7 100644
--- a/sched/pthread/pthread_setaffinity.c
+++ b/sched/pthread/pthread_setaffinity.c
@@ -97,4 +97,3 @@ int pthread_setaffinity_np(pthread_t thread, size_t cpusetsize,
 }
 
 #endif /* CONFIG_SMP */
-
diff --git a/sched/pthread/pthread_setspecific.c b/sched/pthread/pthread_setspecific.c
index 4273bfb0fa..980243dd57 100644
--- a/sched/pthread/pthread_setspecific.c
+++ b/sched/pthread/pthread_setspecific.c
@@ -114,4 +114,3 @@ int pthread_setspecific(pthread_key_t key, FAR const void *value)
   return ENOSYS;
 #endif
 }
-
diff --git a/sched/sched/sched_addprioritized.c b/sched/sched/sched_addprioritized.c
index 1fdc97fec2..7bdf66a455 100644
--- a/sched/sched/sched_addprioritized.c
+++ b/sched/sched/sched_addprioritized.c
@@ -153,4 +153,3 @@ bool sched_addprioritized(FAR struct tcb_s *tcb, DSEG dq_queue_t *list)
 
   return ret;
 }
-
diff --git a/sched/sched/sched_getfiles.c b/sched/sched/sched_getfiles.c
index a2e0025e32..5504ea6f0d 100644
--- a/sched/sched/sched_getfiles.c
+++ b/sched/sched/sched_getfiles.c
@@ -85,4 +85,3 @@ FAR struct filelist *sched_getfiles(void)
 
   return NULL;
 }
-
diff --git a/sched/sched/sched_gettcb.c b/sched/sched/sched_gettcb.c
index 5b9398cdd7..6147db93da 100644
--- a/sched/sched/sched_gettcb.c
+++ b/sched/sched/sched_gettcb.c
@@ -103,4 +103,3 @@ FAR struct tcb_s *sched_gettcb(pid_t pid)
 
   return ret;
 }
-
diff --git a/sched/sched/sched_yield.c b/sched/sched/sched_yield.c
index 320de61c10..2387433470 100644
--- a/sched/sched/sched_yield.c
+++ b/sched/sched/sched_yield.c
@@ -77,4 +77,3 @@ int sched_yield(void)
   ret = nxsched_setpriority(rtcb, rtcb->sched_priority);
   return ret < 0 ? ERROR : OK;
 }
-
diff --git a/sched/signal/sig_allocpendingsigaction.c b/sched/signal/sig_allocpendingsigaction.c
index 1f65410073..69fac390c8 100644
--- a/sched/signal/sig_allocpendingsigaction.c
+++ b/sched/signal/sig_allocpendingsigaction.c
@@ -116,4 +116,3 @@ FAR sigq_t *nxsig_alloc_pendingsigaction(void)
 
   return sigq;
 }
-
diff --git a/sched/signal/sig_ppoll.c b/sched/signal/sig_ppoll.c
index cfbbcaa1ca..157881c769 100644
--- a/sched/signal/sig_ppoll.c
+++ b/sched/signal/sig_ppoll.c
@@ -151,4 +151,3 @@ int ppoll(FAR struct pollfd *fds, nfds_t nfds,
 
   return ret;
 }
-
diff --git a/sched/signal/sig_pselect.c b/sched/signal/sig_pselect.c
index b7f4187f82..59a1c40318 100644
--- a/sched/signal/sig_pselect.c
+++ b/sched/signal/sig_pselect.c
@@ -150,4 +150,3 @@ int pselect(int nfds, FAR fd_set *readfds, FAR fd_set *writefds,
 
   return ret;
 }
-
diff --git a/sched/task/task_getgroup.c b/sched/task/task_getgroup.c
index 7cf43d282d..870ce2e40a 100644
--- a/sched/task/task_getgroup.c
+++ b/sched/task/task_getgroup.c
@@ -80,4 +80,3 @@ FAR struct task_group_s *task_getgroup(pid_t pid)
 
   return NULL;
 }
-
diff --git a/sched/task/task_init.c b/sched/task/task_init.c
index 48e8b4f936..08f4108651 100644
--- a/sched/task/task_init.c
+++ b/sched/task/task_init.c
@@ -155,4 +155,3 @@ errout:
   set_errno(errcode);
   return ERROR;
 }
-
diff --git a/syscall/Makefile b/syscall/Makefile
index c1d5b1b001..3d5f654b0c 100644
--- a/syscall/Makefile
+++ b/syscall/Makefile
@@ -111,4 +111,3 @@ distclean: clean
 	$(call DELFILE, stubs$(DELIM)*.c)
 
 -include Make.dep
-
diff --git a/syscall/proxies/Make.defs b/syscall/proxies/Make.defs
index a14e3562e1..d08b7f79bb 100644
--- a/syscall/proxies/Make.defs
+++ b/syscall/proxies/Make.defs
@@ -34,4 +34,3 @@
 ############################################################################
 
 PROXY_SRCS := ${shell cd proxies; ls *.c 2>/dev/null }
-
diff --git a/syscall/stubs/Make.defs b/syscall/stubs/Make.defs
index 0f40052c0a..6c7c2949ba 100644
--- a/syscall/stubs/Make.defs
+++ b/syscall/stubs/Make.defs
@@ -34,5 +34,3 @@
 ############################################################################
 
 STUB_SRCS := ${shell cd stubs; ls *.c 2>/dev/null }
-
-
diff --git a/tools/README.txt b/tools/README.txt
index 6ce63d36de..4dfb2cd10e 100644
--- a/tools/README.txt
+++ b/tools/README.txt
@@ -313,7 +313,7 @@ nxstyle.c
   standard.  This program is completely ignorant of C syntax; it simply
   performs crude pattern matching to check the file.
 
-  Prints formatted messages that are classified as info, warn, error, 
+  Prints formatted messages that are classified as info, warn, error,
   fatal. In a parsable format that can be used by editors and IDEs.
 
   Usage: nxstyle [-m <excess>] [-v <level>] [-r <start,count>] <filename>
diff --git a/tools/cfgparser.c b/tools/cfgparser.c
index 23e1d6a5e5..94caf2f13a 100644
--- a/tools/cfgparser.c
+++ b/tools/cfgparser.c
@@ -293,4 +293,3 @@ struct variable_s *find_variable(const char *varname, struct variable_s *list)
 
   return NULL;
 }
-
diff --git a/tools/ide_exporter.py b/tools/ide_exporter.py
index 2ce59766ad..9d5f9e363f 100755
--- a/tools/ide_exporter.py
+++ b/tools/ide_exporter.py
@@ -1009,4 +1009,3 @@ if __name__ == '__main__':
     ww_fname = os.path.join(prj_dir, 'nuttx' + ws_ext)
     ws.write(ww_fname)
     print("Exported " + ww_fname)
-
diff --git a/tools/ocdconsole.py b/tools/ocdconsole.py
index a2ad072a10..453a613289 100755
--- a/tools/ocdconsole.py
+++ b/tools/ocdconsole.py
@@ -316,4 +316,3 @@ if __name__ == "__main__":
             continue
         finally:
             termios.tcsetattr(fd, termios.TCSADRAIN, old_settings)
-
diff --git a/video/videomode/Kconfig b/video/videomode/Kconfig
index 37707ee44e..4a24bd415c 100644
--- a/video/videomode/Kconfig
+++ b/video/videomode/Kconfig
@@ -9,4 +9,3 @@ config VIDEO_EDID
 	---help---
 		Enable support for managing EDID data EDID (Extended Display
 		Identification Data).
-
diff --git a/video/videomode/vesagtf.c b/video/videomode/vesagtf.c
index b60d83ac17..5fe9bf82b2 100644
--- a/video/videomode/vesagtf.c
+++ b/video/videomode/vesagtf.c
@@ -93,7 +93,7 @@
 
 #define CELL_GRAN            8    /* Assumed character cell granularity */
 
-/* c' and m' are part of the Blanking Duty Cycle computation 
+/* c' and m' are part of the Blanking Duty Cycle computation
  *
  * #define C_PRIME           (((c - j) * k/256.0) + j)
  * #define M_PRIME           (k/256.0 * m)
diff --git a/wireless/ieee802154/mac802154_ioctl.c b/wireless/ieee802154/mac802154_ioctl.c
index eee7eba653..e5e3e29ad5 100644
--- a/wireless/ieee802154/mac802154_ioctl.c
+++ b/wireless/ieee802154/mac802154_ioctl.c
@@ -164,4 +164,3 @@ int mac802154_ioctl(MACHANDLE mac, int cmd, unsigned long arg)
     }
   return ret;
 }
-
diff --git a/wireless/ieee802154/mac802154_purge.c b/wireless/ieee802154/mac802154_purge.c
index d32843166d..30dd9d92c7 100644
--- a/wireless/ieee802154/mac802154_purge.c
+++ b/wireless/ieee802154/mac802154_purge.c
@@ -82,4 +82,3 @@ int mac802154_req_purge(MACHANDLE mac, uint8_t msdu_handle)
 #endif
   return -ENOTTY;
 }
-
diff --git a/wireless/ieee802154/mac802154_sync.c b/wireless/ieee802154/mac802154_sync.c
index 2018a55dd3..8c39af8f6b 100644
--- a/wireless/ieee802154/mac802154_sync.c
+++ b/wireless/ieee802154/mac802154_sync.c
@@ -77,4 +77,3 @@ int mac802154_req_sync(MACHANDLE mac, FAR struct ieee802154_sync_req_s *req)
 #endif
   return -ENOTTY;
 }
-