led_lock
static DEFINE_MUTEX(led_lock);
mutex_lock(&led_lock);
mutex_unlock(&led_lock);
mutex_init(&tp->led_lock);
struct mutex led_lock; /* serialize LED ctrl RMW access */
mutex_lock(&tp->led_lock);
mutex_unlock(&tp->led_lock);
mutex_lock(&tp->led_lock);
mutex_unlock(&tp->led_lock);
guard(mutex)(&data->led_lock);
ret = devm_mutex_init(data->dev, &data->led_lock);
struct mutex led_lock; /* Protects writes to the lightbar registers */
guard(mutex)(&data->led_lock);
led_lock(cdev); \
led_lock(cdev);
guard(spinlock_irqsave)(&led_lock);
guard(spinlock_irqsave)(&led_lock);
guard(spinlock_irqsave)(&led_lock);
guard(spinlock_irqsave)(&led_lock);
scoped_guard(spinlock_irqsave, &led_lock) {
static DEFINE_SPINLOCK(led_lock);
scoped_guard(spinlock_irqsave, &led_lock) {
guard(spinlock)(&led_lock);