[PATCH -next 1/2] mtip32xx: use DEFINE_SPINLOCK() for spinlock

[Shixin Liu]

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

Signed-off-by: Shixin Liu <liushix...@huawei.com>
---
 drivers/block/mtip32xx/mtip32xx.c | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/drivers/block/mtip32xx/mtip32xx.c 
b/drivers/block/mtip32xx/mtip32xx.c
index 3be0dbc674bd..39e3280030d6 100644
--- a/drivers/block/mtip32xx/mtip32xx.c
+++ b/drivers/block/mtip32xx/mtip32xx.c
@@ -97,7 +97,7 @@ static int instance;
 
 static struct list_head online_list;
 static struct list_head removing_list;
-static spinlock_t dev_lock;
+static DEFINE_SPINLOCK(dev_lock);
 
 /*
  * Global variable used to hold the major block device number
@@ -4363,8 +4363,6 @@ static int __init mtip_init(void)
 
        pr_info(MTIP_DRV_NAME " Version " MTIP_DRV_VERSION "\n");
 
-       spin_lock_init(&dev_lock);
-
        INIT_LIST_HEAD(&online_list);
        INIT_LIST_HEAD(&removing_list);
 
-- 
2.25.1