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Commit d631ea98 authored by Marek Szyprowski's avatar Marek Szyprowski Committed by Joerg Roedel
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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: default avatarMarek Szyprowski <m.szyprowski@samsung.com>
Signed-off-by: default avatarJoerg Roedel <jroedel@suse.de>
parent 83addecd

drivers/iommu/exynos-iommu.c

+4 −9
Original line number Diff line number Diff line
@@ -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);