[PATCH -next] 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 --- 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

[PATCH -next] iommu/amd/init: convert comma to semicolon

Replace a comma between expression statements by a semicolon. Signed-off-by: Zheng Yongjun --- drivers/iommu/amd/init.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/iommu/amd/init.c b/drivers/iommu/amd/init.c index 23a790f8f550..dad011e88268 100644 --- a

[PATCH -next] iommu: msm_iommu: Delete useless kfree code

The parameter of kfree function is NULL, so kfree code is useless, delete it. Signed-off-by: Zheng Yongjun --- drivers/iommu/msm_iommu.c | 6 +- 1 file changed, 1 insertion(+), 5 deletions(-) diff --git a/drivers/iommu/msm_iommu.c b/drivers/iommu/msm_iommu.c index 3615cd6241c4