spinlock can be initialized automatically with DEFINE_SPINLOCK() rather than explicitly calling spin_lock_init(). Signed-off-by: Zheng Yongjun <zhengyongjun3@xxxxxxxxxx> --- drivers/s390/cio/css.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/drivers/s390/cio/css.c b/drivers/s390/cio/css.c index cca1a7c4bb33..022f573f0bcc 100644 --- a/drivers/s390/cio/css.c +++ b/drivers/s390/cio/css.c @@ -647,13 +647,12 @@ static void css_sch_todo(struct work_struct *work) } static struct idset *slow_subchannel_set; -static spinlock_t slow_subchannel_lock; +static DEFINE_SPINLOCK(slow_subchannel_lock); static wait_queue_head_t css_eval_wq; static atomic_t css_eval_scheduled; static int __init slow_subchannel_init(void) { - spin_lock_init(&slow_subchannel_lock); atomic_set(&css_eval_scheduled, 0); init_waitqueue_head(&css_eval_wq); slow_subchannel_set = idset_sch_new(); -- 2.22.0