[PATCH 08/11] iommu: exynos: unify code for fldp cache invalidation

Marek Szyprowski m.szyprowski at samsung.com
Tue Feb 16 06:57:01 PST 2016


This patch simplifies the code for handling of flpdcache invalidation.

Signed-off-by: Marek Szyprowski <m.szyprowski at samsung.com>
---
 drivers/iommu/exynos-iommu.c | 13 ++++---------
 1 file changed, 4 insertions(+), 9 deletions(-)

diff --git a/drivers/iommu/exynos-iommu.c b/drivers/iommu/exynos-iommu.c
index 15787a1..e42a76c 100644
--- a/drivers/iommu/exynos-iommu.c
+++ b/drivers/iommu/exynos-iommu.c
@@ -440,13 +440,6 @@ static int __sysmmu_enable(struct sysmmu_drvdata *data, phys_addr_t pgtable,
 	return ret;
 }
 
-static void __sysmmu_tlb_invalidate_flpdcache(struct sysmmu_drvdata *data,
-					      sysmmu_iova_t iova)
-{
-	if (data->version == MAKE_MMU_VER(3, 3))
-		__raw_writel(iova | 0x1, data->sfrbase + REG_MMU_FLUSH_ENTRY);
-}
-
 static void sysmmu_tlb_invalidate_flpdcache(struct sysmmu_drvdata *data,
 					    sysmmu_iova_t iova)
 {
@@ -455,8 +448,10 @@ static void sysmmu_tlb_invalidate_flpdcache(struct sysmmu_drvdata *data,
 	clk_enable(data->clk_master);
 
 	spin_lock_irqsave(&data->lock, flags);
-	if (is_sysmmu_active(data))
-		__sysmmu_tlb_invalidate_flpdcache(data, iova);
+	if (is_sysmmu_active(data)) {
+		if (data->version >= MAKE_MMU_VER(3, 3))
+			__sysmmu_tlb_invalidate_entry(data, iova, 1);
+	}
 	spin_unlock_irqrestore(&data->lock, flags);
 
 	clk_disable(data->clk_master);
-- 
1.9.2




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