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s390: remove the unused dma_capable helper

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Signed-off-by: Christoph Hellwig <hch@lst.de>
This commit is contained in:
Christoph Hellwig 2017-12-20 15:56:46 +01:00
parent b8ee205af4
commit 8fbc02ac62
1 changed files with 0 additions and 7 deletions
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7
arch/s390/include/asm/dma-mapping.h
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@ -16,11 +16,4 @@ static inline const struct dma_map_ops *get_arch_dma_ops(struct bus_type *bus)
return &dma_noop_ops;
}
static inline bool dma_capable(struct device *dev, dma_addr_t addr, size_t size)
{
if (!dev->dma_mask)
return false;
return addr + size - 1 <= *dev->dma_mask;
}
#endif /* _ASM_S390_DMA_MAPPING_H */