From: Zheng Yongjun zhengyongjun3@huawei.com
[ Upstream commit e2fcd6e427c2fae92b366b24759f95d77b6f7bc7 ]
mutex lock can be initialized automatically with DEFINE_MUTEX() rather than explicitly calling mutex_init().
Signed-off-by: Zheng Yongjun zhengyongjun3@huawei.com Acked-by: Dave Jiang dave.jiang@intel.com Link: https://lore.kernel.org/r/20201224132254.30961-1-zhengyongjun3@huawei.com Signed-off-by: Vinod Koul vkoul@kernel.org Signed-off-by: Sasha Levin sashal@kernel.org --- drivers/dma/idxd/init.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-)
diff --git a/drivers/dma/idxd/init.c b/drivers/dma/idxd/init.c index ababd059da6f..d223242a34f4 100644 --- a/drivers/dma/idxd/init.c +++ b/drivers/dma/idxd/init.c @@ -31,7 +31,7 @@ MODULE_AUTHOR("Intel Corporation"); bool support_enqcmd;
static struct idr idxd_idrs[IDXD_TYPE_MAX]; -static struct mutex idxd_idr_lock; +static DEFINE_MUTEX(idxd_idr_lock);
static struct pci_device_id idxd_pci_tbl[] = { /* DSA ver 1.0 platforms */ @@ -543,7 +543,6 @@ static int __init idxd_init_module(void) else support_enqcmd = true;
- mutex_init(&idxd_idr_lock); for (i = 0; i < IDXD_TYPE_MAX; i++) idr_init(&idxd_idrs[i]);