[PATCH v2 08/13] iommu: exynos: unify code for fldp cache invalidation
Marek Szyprowski
m.szyprowski at samsung.com
Thu Feb 18 06:12:55 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 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);
--
1.9.2
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