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authorMarek Szyprowski <m.szyprowski@samsung.com>2016-02-18 17:12:55 +0300
committerJoerg Roedel <jroedel@suse.de>2016-02-25 17:32:10 +0300
commitd631ea9809785da06a048cfb25c2714f18a9cd63 (patch)
tree971668ddab64c773eacc65adbaf6e0d69e278321 /drivers/iommu
parent83addecdb7c9a4a533205cf57cb4d5b5631a704b (diff)
downloadlinux-d631ea9809785da06a048cfb25c2714f18a9cd63.tar.xz
iommu/exynos: Unify code for fldp cache invalidation
This patch simplifies the code for handling of flpdcache invalidation. Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com> Signed-off-by: Joerg Roedel <jroedel@suse.de>
Diffstat (limited to 'drivers/iommu')
-rw-r--r--drivers/iommu/exynos-iommu.c13
1 files changed, 4 insertions, 9 deletions
diff --git a/drivers/iommu/exynos-iommu.c b/drivers/iommu/exynos-iommu.c
index 15787a177a16..e42a76cc9674 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);