summaryrefslogtreecommitdiff
path: root/drivers/dma/idxd
diff options
context:
space:
mode:
authorZheng Yongjun <zhengyongjun3@huawei.com>2020-12-24 16:22:54 +0300
committerVinod Koul <vkoul@kernel.org>2021-01-08 11:27:19 +0300
commite2fcd6e427c2fae92b366b24759f95d77b6f7bc7 (patch)
tree2009a7d65be1900de8124ddc0749688ce68718f2 /drivers/dma/idxd
parent33cb6d1ed311af2c1dfd107fa334cfb51113ef35 (diff)
downloadlinux-e2fcd6e427c2fae92b366b24759f95d77b6f7bc7.tar.xz
dma: idxd: use DEFINE_MUTEX() for mutex lock
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>
Diffstat (limited to 'drivers/dma/idxd')
-rw-r--r--drivers/dma/idxd/init.c3
1 files changed, 1 insertions, 2 deletions
diff --git a/drivers/dma/idxd/init.c b/drivers/dma/idxd/init.c
index 2c051e07c34c..25cc947c6179 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 */
@@ -544,7 +544,6 @@ 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]);