diff options
| author | Marek Szyprowski <m.szyprowski@samsung.com> | 2016-02-18 17:12:55 +0300 |
|---|---|---|
| committer | Joerg Roedel <jroedel@suse.de> | 2016-02-25 17:32:10 +0300 |
| commit | d631ea9809785da06a048cfb25c2714f18a9cd63 (patch) | |
| tree | 971668ddab64c773eacc65adbaf6e0d69e278321 /drivers | |
| parent | 83addecdb7c9a4a533205cf57cb4d5b5631a704b (diff) | |
| download | linux-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')
| -rw-r--r-- | drivers/iommu/exynos-iommu.c | 13 |
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); |