Messages in this thread Patch in this message | | | From | Zheng Yongjun <> | Subject | [PATCH v2 -next] dma: idxd: use DEFINE_MUTEX() for mutex lock | Date | Thu, 24 Dec 2020 21:22:54 +0800 |
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mutex lock can be initialized automatically with DEFINE_MUTEX() rather than explicitly calling mutex_init().
Signed-off-by: Zheng Yongjun <zhengyongjun3@huawei.com> --- 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 0a4432b063b5..2297c93dd527 100644 --- a/drivers/dma/idxd/init.c +++ b/drivers/dma/idxd/init.c @@ -27,7 +27,7 @@ MODULE_AUTHOR("Intel Corporation"); #define DRV_NAME "idxd" 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 */ @@ -481,7 +481,6 @@ static int __init idxd_init_module(void) pr_info("%s: Intel(R) Accelerator Devices Driver %s\n", DRV_NAME, IDXD_DRIVER_VERSION); - mutex_init(&idxd_idr_lock); for (i = 0; i < IDXD_TYPE_MAX; i++) idr_init(&idxd_idrs[i]); -- 2.22.0
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