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Commit ac4ff656 authored by FUJITA Tomonori's avatar FUJITA Tomonori Committed by Ingo Molnar
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x86: convert gart to use is_buffer_dma_capable helper function 



Signed-off-by: default avatarFUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
Acked-by: default avatarJoerg Roedel <joerg.roedel@amd.com>
Signed-off-by: default avatarIngo Molnar <mingo@elte.hu>
parent 636dc67c

arch/x86/kernel/pci-gart_64.c

+3 −13
Original line number Diff line number Diff line
@@ -214,24 +214,14 @@ static void iommu_full(struct device *dev, size_t size, int dir) 
static inline int

need_iommu(struct device *dev, unsigned long addr, size_t size)

{

	u64 mask = *dev->dma_mask;

	int high = addr + size > mask;

	int mmu = high;



	if (force_iommu)

		mmu = 1;



	return mmu;

	return force_iommu ||

		!is_buffer_dma_capable(*dev->dma_mask, addr, size);

}



static inline int

nonforced_iommu(struct device *dev, unsigned long addr, size_t size)

{

	u64 mask = *dev->dma_mask;

	int high = addr + size > mask;

	int mmu = high;



	return mmu;

	return !is_buffer_dma_capable(*dev->dma_mask, addr, size);

}



/* Map a single continuous physical area into the IOMMU.