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powerpc: remove device_to_mask()

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Use the dma_get_mask() helper from dma-mapping.h instead, as they are
functionally identical.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Alexey Kardashevskiy <aik@ozlabs.ru>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
This commit is contained in:
Christoph Hellwig
2019-06-29 10:03:59 +02:00
committed by Michael Ellerman
parent a278e7ea60
commit 24911acd64
3 changed files with 4 additions and 12 deletions
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4
arch/powerpc/kernel/dma-iommu.c
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@@ -71,7 +71,7 @@ static dma_addr_t dma_iommu_map_page(struct device *dev, struct page *page,
return dma_direct_map_page(dev, page, offset, size, direction,
attrs);
return iommu_map_page(dev, get_iommu_table_base(dev), page, offset,
size, device_to_mask(dev), direction, attrs);
size, dma_get_mask(dev), direction, attrs);
}
@@ -92,7 +92,7 @@ static int dma_iommu_map_sg(struct device *dev, struct scatterlist *sglist,
if (dma_iommu_map_bypass(dev, attrs))
return dma_direct_map_sg(dev, sglist, nelems, direction, attrs);
return ppc_iommu_map_sg(dev, get_iommu_table_base(dev), sglist, nelems,
device_to_mask(dev), direction, attrs);
dma_get_mask(dev), direction, attrs);
}
static void dma_iommu_unmap_sg(struct device *dev, struct scatterlist *sglist,