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Commit 43a5a5a0 authored by Joerg Roedel's avatar Joerg Roedel Committed by Ingo Molnar
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x86: add free_coherent dma_ops callback to GART driver 



Signed-off-by: default avatarJoerg Roedel <joerg.roedel@amd.com>
Signed-off-by: default avatarIngo Molnar <mingo@elte.hu>
parent 94581094

arch/x86/kernel/pci-gart_64.c

+10 −0
Original line number Original line Diff line number Diff line
@@ -519,6 +519,15 @@ gart_alloc_coherent(struct device *dev, size_t size, dma_addr_t *dma_addr, 
	return NULL;

	return NULL;

}

}





/* free a coherent mapping */

static void

gart_free_coherent(struct device *dev, size_t size, void *vaddr,

		   dma_addr_t dma_addr)

{

	gart_unmap_single(dev, dma_addr, size, DMA_BIDIRECTIONAL);

	free_pages((unsigned long)vaddr, get_order(size));

}



static int no_agp;

static int no_agp;





static __init unsigned long check_iommu_size(unsigned long aper, u64 aper_size)

static __init unsigned long check_iommu_size(unsigned long aper, u64 aper_size)
@@ -722,6 +731,7 @@ static struct dma_mapping_ops gart_dma_ops = { 
	.map_sg				= gart_map_sg,

	.map_sg				= gart_map_sg,

	.unmap_sg			= gart_unmap_sg,

	.unmap_sg			= gart_unmap_sg,

	.alloc_coherent			= gart_alloc_coherent,

	.alloc_coherent			= gart_alloc_coherent,

	.free_coherent			= gart_free_coherent,

};

};





void gart_iommu_shutdown(void)

void gart_iommu_shutdown(void)