Skip to content

Commit

Permalink
iommu/exynos: Unify code for fldp cache invalidation
Browse files Browse the repository at this point in the history
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>
  • Loading branch information
Marek Szyprowski authored and Joerg Roedel committed Feb 25, 2016
1 parent 83addec commit d631ea9
Showing 1 changed file with 4 additions and 9 deletions.
13 changes: 4 additions & 9 deletions drivers/iommu/exynos-iommu.c
Original file line number Diff line number Diff line change
Expand Up @@ -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)
{
Expand All @@ -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);
Expand Down

0 comments on commit d631ea9

Please sign in to comment.