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iommu/amd: Use DEFINE_SPINLOCK() for spinlock

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

Signed-off-by: Zheng Yongjun <zhengyongjun3@huawei.com>
Link: https://lore.kernel.org/r/20201228135112.28621-1-zhengyongjun3@huawei.com
Signed-off-by: Joerg Roedel <jroedel@suse.de>
This commit is contained in:
Zheng Yongjun 2020-12-28 21:51:12 +08:00 committed by Joerg Roedel
parent f8993dc666
commit 106650f1e9
1 changed files with 1 additions and 3 deletions
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4
drivers/iommu/amd/iommu_v2.c
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@ -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)