[PATCH v11 21/27] iommu/exynos: change rwlock to spinlock

Since acquiring read_lock is not more frequent than write_lock, it is not beneficial to use rwlock, this commit changes rwlock to spinlock. Reviewed-by: Grant Grundler Signed-off-by: Cho KyongHo --- drivers/iommu/exynos-iommu.c | 39 --- 1 file changed, 20

[PATCH v11 21/27] iommu/exynos: change rwlock to spinlock

Since acquiring read_lock is not more frequent than write_lock, it is not beneficial to use rwlock, this commit changes rwlock to spinlock. Reviewed-by: Grant Grundler grund...@chromium.org Signed-off-by: Cho KyongHo pullip@samsung.com --- drivers/iommu/exynos-iommu.c | 39