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* [PATCH -next 1/2] s390/cio: use DEFINE_SPINLOCK() for spinlock
@ 2021-03-29  9:40 Shixin Liu
  2021-03-29  9:40 ` [PATCH -next 2/2] s390/cio: use DECLARE_WAIT_QUEUE_HEAD() for wait_queue Shixin Liu
  2021-03-29 12:34 ` [PATCH -next 1/2] s390/cio: use DEFINE_SPINLOCK() for spinlock Vineeth Vijayan
  0 siblings, 2 replies; 4+ messages in thread
From: Shixin Liu @ 2021-03-29  9:40 UTC (permalink / raw)
  To: Vineeth Vijayan, Peter Oberparleiter, Heiko Carstens,
	Vasily Gorbik, Christian Borntraeger
  Cc: linux-s390, linux-kernel, Shixin Liu

spinlock can be initialized automatically with DEFINE_SPINLOCK()
rather than explicitly calling spin_lock_init().

Signed-off-by: Shixin Liu <liushixin2@huawei.com>
---
 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 253ab4e7a415..f01ef6325039 100644
--- a/drivers/s390/cio/css.c
+++ b/drivers/s390/cio/css.c
@@ -651,13 +651,12 @@ 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();
-- 
2.25.1


^ permalink raw reply related	[flat|nested] 4+ messages in thread

end of thread, other threads:[~2021-03-29 12:36 UTC | newest]

Thread overview: 4+ messages (download: mbox.gz follow: Atom feed
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2021-03-29  9:40 [PATCH -next 1/2] s390/cio: use DEFINE_SPINLOCK() for spinlock Shixin Liu
2021-03-29  9:40 ` [PATCH -next 2/2] s390/cio: use DECLARE_WAIT_QUEUE_HEAD() for wait_queue Shixin Liu
2021-03-29 12:34   ` Vineeth Vijayan
2021-03-29 12:34 ` [PATCH -next 1/2] s390/cio: use DEFINE_SPINLOCK() for spinlock Vineeth Vijayan

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