From 106650f1e94527f15c0e99285b88ced84b47ab52 Mon Sep 17 00:00:00 2001 From: Zheng Yongjun Date: Mon, 28 Dec 2020 21:51:12 +0800 Subject: [PATCH] iommu/amd: Use DEFINE_SPINLOCK() for spinlock Spinlock can be initialized automatically with DEFINE_SPINLOCK() rather than explicitly calling spin_lock_init(). Signed-off-by: Zheng Yongjun Link: https://lore.kernel.org/r/20201228135112.28621-1-zhengyongjun3@huawei.com Signed-off-by: Joerg Roedel --- drivers/iommu/amd/iommu_v2.c | 4 +--- 1 file changed, 1 insertion(+), 3 deletions(-) diff --git a/drivers/iommu/amd/iommu_v2.c b/drivers/iommu/amd/iommu_v2.c index 5ecc0bc608ec..f8d4ad421e07 100644 --- a/drivers/iommu/amd/iommu_v2.c +++ b/drivers/iommu/amd/iommu_v2.c @@ -77,7 +77,7 @@ struct fault { }; static LIST_HEAD(state_list); -static spinlock_t state_lock; +static DEFINE_SPINLOCK(state_lock); static struct workqueue_struct *iommu_wq; @@ -938,8 +938,6 @@ static int __init amd_iommu_v2_init(void) return 0; } - spin_lock_init(&state_lock); - ret = -ENOMEM; iommu_wq = alloc_workqueue("amd_iommu_v2", WQ_MEM_RECLAIM, 0); if (iommu_wq == NULL) -- 2.20.1