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drivers/timer : remove critical section.

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Use spinlock to replace critical section

Signed-off-by: wangzhi16 <wangzhi16@xiaomi.com>
This commit is contained in:
wangzhi16
2025-03-14 12:30:42 +08:00
committed by archer
parent 85b09ca07b
commit 4a68e55277
1 changed files with 5 additions and 3 deletions
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drivers/timers/timer.c
+5 -3
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@@ -35,7 +35,7 @@
#include <errno.h>
#include <debug.h>
#include <nuttx/irq.h>
#include <nuttx/spinlock.h>
#include <nuttx/lib/lib.h>
#include <nuttx/signal.h>
#include <nuttx/fs/fs.h>
@@ -55,6 +55,7 @@ struct timer_upperhalf_s
{
mutex_t lock; /* Supports mutual exclusion */
uint8_t crefs; /* The number of times the device has been opened */
spinlock_t spinlock; /* Spinlock */
FAR char *path; /* Registration path */
FAR struct pollfd *fds;
@@ -460,7 +461,7 @@ static int timer_poll(FAR struct file *filep,
DEBUGASSERT(upper != NULL && fds != NULL);
flags = enter_critical_section();
flags = spin_lock_irqsave(&upper->spinlock);
if (setup)
{
@@ -478,7 +479,7 @@ static int timer_poll(FAR struct file *filep,
}
errout:
leave_critical_section(flags);
spin_unlock_irqrestore(&upper->spinlock, flags);
return ret;
}
@@ -538,6 +539,7 @@ FAR void *timer_register(FAR const char *path,
upper->lower = lower;
nxmutex_init(&upper->lock);
spin_lock_init(&upper->spinlock);
/* Copy the registration path */