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s390: remove the unused dma_capable helper
author
Christoph Hellwig
<hch@lst.de>
Wed, 20 Dec 2017 14:56:46 +0000
(15:56 +0100)
committer
Christoph Hellwig
<hch@lst.de>
Tue, 9 Jan 2018 15:28:40 +0000
(16:28 +0100)
Signed-off-by: Christoph Hellwig <hch@lst.de>
arch/s390/include/asm/dma-mapping.h
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diff --git
a/arch/s390/include/asm/dma-mapping.h
b/arch/s390/include/asm/dma-mapping.h
index
eaf490f
..
2ec7240
100644
(file)
--- a/
arch/s390/include/asm/dma-mapping.h
+++ b/
arch/s390/include/asm/dma-mapping.h
@@
-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 */