summaryrefslogtreecommitdiffstats
path: root/arch/s390/include/asm/dma-mapping.h
diff options
context:
space:
mode:
authorChristoph Hellwig <hch@lst.de>2017-12-20 15:56:46 +0100
committerChristoph Hellwig <hch@lst.de>2018-01-09 16:28:40 +0100
commit8fbc02ac62677603e75a67385fccd0c0bc69fa5c (patch)
tree708b40834ae6dd3704fe33b0d6dc9778f79fa329 /arch/s390/include/asm/dma-mapping.h
parentriscv: remove the unused dma_capable helper (diff)
downloadlinux-8fbc02ac62677603e75a67385fccd0c0bc69fa5c.tar.xz
linux-8fbc02ac62677603e75a67385fccd0c0bc69fa5c.zip
s390: remove the unused dma_capable helper
Signed-off-by: Christoph Hellwig <hch@lst.de>
Diffstat (limited to 'arch/s390/include/asm/dma-mapping.h')
-rw-r--r--arch/s390/include/asm/dma-mapping.h7
1 files changed, 0 insertions, 7 deletions
diff --git a/arch/s390/include/asm/dma-mapping.h b/arch/s390/include/asm/dma-mapping.h
index eaf490f9c5bc..2ec7240c1ada 100644
--- 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 */