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authorShixin Liu <liushixin2@huawei.com>2021-03-29 11:40:18 +0200
committerHeiko Carstens <hca@linux.ibm.com>2021-04-05 11:30:57 +0200
commit1034c96c5e28b6a27d058a0e00c968695fcf3bf0 (patch)
tree4fb515f3fd478a72a5a448bfbebf8eb7481d4422 /drivers
parents390/pci: expose UID uniqueness guarantee (diff)
downloadlinux-1034c96c5e28b6a27d058a0e00c968695fcf3bf0.tar.xz
linux-1034c96c5e28b6a27d058a0e00c968695fcf3bf0.zip
s390/cio: use DEFINE_SPINLOCK() for spinlock
static spinlock can be initialized automatically with DEFINE_SPINLOCK() rather than explicitly calling spin_lock_init(). Signed-off-by: Shixin Liu <liushixin2@huawei.com> Acked-by: Vineeth Vijayan <vneethv@linux.ibm.com> Signed-off-by: Heiko Carstens <hca@linux.ibm.com>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/s390/cio/css.c3
1 files changed, 1 insertions, 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();