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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>
hifive-unleashed-5.1
Marek Szyprowski 2016-02-18 15:12:55 +01:00 committed by Joerg Roedel
parent 83addecdb7
commit d631ea9809
1 changed files with 4 additions and 9 deletions
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13
drivers/iommu/exynos-iommu.c
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@ -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);