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cxd56_rtc.c: use small lock in arch/arm/src/cxd56xx/cxd56_rtc.c

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reason:
We hope to remove all instances of spin_lock_irqsave(NULL).

Signed-off-by: hujun5 <hujun5@xiaomi.com>
This commit is contained in:
hujun5 2024-12-09 20:48:09 +08:00 committed by Xiang Xiao
parent 11f412b7af
commit a68b00206b
1 changed files with 12 additions and 10 deletions
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22
arch/arm/src/cxd56xx/cxd56_rtc.c
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@ -113,6 +113,8 @@ struct rtc_backup_s
* Private Data
****************************************************************************/
static spinlock_t lock = SP_UNLOCKED;
/* Callback to use when the alarm expires */
#ifdef CONFIG_RTC_ALARM
@ -434,7 +436,7 @@ int up_rtc_settime(const struct timespec *tp)
irqstate_t flags;
uint64_t count;
flags = spin_lock_irqsave(NULL);
flags = spin_lock_irqsave(&lock);
#ifdef RTC_DIRECT_CONTROL
/* wait until previous write request is completed */
@ -457,7 +459,7 @@ int up_rtc_settime(const struct timespec *tp)
g_rtc_save->offset = (int64_t)count - (int64_t)cxd56_rtc_count();
#endif
spin_unlock_irqrestore(NULL, flags);
spin_unlock_irqrestore(&lock, flags);
rtc_dumptime(tp, "Setting time");
@ -485,12 +487,12 @@ uint64_t cxd56_rtc_count(void)
* 1st post -> 2nd pre, and should be operated in atomic.
*/
flags = spin_lock_irqsave(NULL);
flags = spin_lock_irqsave(&lock);
val = (uint64_t)getreg32(CXD56_RTC0_RTPOSTCNT) << 15;
val |= getreg32(CXD56_RTC0_RTPRECNT);
spin_unlock_irqrestore(NULL, flags);
spin_unlock_irqrestore(&lock, flags);
return val;
}
@ -512,12 +514,12 @@ uint64_t cxd56_rtc_almcount(void)
uint64_t val;
irqstate_t flags;
flags = spin_lock_irqsave(NULL);
flags = spin_lock_irqsave(&lock);
val = (uint64_t)getreg32(CXD56_RTC0_SETALMPOSTCNT(0)) << 15;
val |= (getreg32(CXD56_RTC0_SETALMPRECNT(0)) & 0x7fff);
spin_unlock_irqrestore(NULL, flags);
spin_unlock_irqrestore(&lock, flags);
return val;
}
@ -559,7 +561,7 @@ int cxd56_rtc_setalarm(struct alm_setalarm_s *alminfo)
{
/* The set the alarm */
flags = spin_lock_irqsave(NULL);
flags = spin_lock_irqsave(&lock);
cbinfo->ac_cb = alminfo->as_cb;
cbinfo->ac_arg = alminfo->as_arg;
@ -590,7 +592,7 @@ int cxd56_rtc_setalarm(struct alm_setalarm_s *alminfo)
while (RTCREG_ALM_BUSY_MASK & getreg32(CXD56_RTC0_ALMOUTEN(id)));
spin_unlock_irqrestore(NULL, flags);
spin_unlock_irqrestore(&lock, flags);
rtc_dumptime(&alminfo->as_time, "New Alarm time");
ret = OK;
@ -632,7 +634,7 @@ int cxd56_rtc_cancelalarm(enum alm_id_e alarmid)
{
/* Unset the alarm */
flags = spin_lock_irqsave(NULL);
flags = spin_lock_irqsave(&lock);
cbinfo->ac_cb = NULL;
@ -665,7 +667,7 @@ int cxd56_rtc_cancelalarm(enum alm_id_e alarmid)
putreg32(mask, CXD56_RTC0_ALMCLR);
}
spin_unlock_irqrestore(NULL, flags);
spin_unlock_irqrestore(&lock, flags);
ret = OK;
}