riscv: remove the unused dma_capable helper

Signed-off-by: Christoph Hellwig <hch@lst.de>
This commit is contained in:
Christoph Hellwig 2017-12-20 15:56:04 +01:00
parent 8c10fd7f88
commit b8ee205af4

View File

@ -27,12 +27,4 @@ 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_RISCV_DMA_MAPPING_H */