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Subject[PATCH -next] s390: cio: Use DEFINE_SPINLOCK() for spinlock
Date
spinlock can be initialized automatically with DEFINE_SPINLOCK()
rather than explicitly calling spin_lock_init().

Signed-off-by: Zheng Yongjun <zhengyongjun3@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 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
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