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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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8
arch/powerpc/include/asm/iommu.h
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@@ -327,13 +327,5 @@ extern bool iommu_fixed_is_weak;
extern const struct dma_map_ops dma_iommu_ops;
static inline unsigned long device_to_mask(struct device *dev)
{
if (dev->dma_mask && *dev->dma_mask)
return *dev->dma_mask;
/* Assume devices without mask can take 32 bit addresses */
return 0xfffffffful;
}
#endif /* __KERNEL__ */
#endif /* _ASM_IOMMU_H */