From: Christoph Hellwig Date: Wed, 20 Dec 2017 14:56:46 +0000 (+0100) Subject: s390: remove the unused dma_capable helper X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=8fbc02ac62677603e75a67385fccd0c0bc69fa5c;p=linux.git s390: remove the unused dma_capable helper Signed-off-by: Christoph Hellwig --- diff --git a/arch/s390/include/asm/dma-mapping.h b/arch/s390/include/asm/dma-mapping.h index eaf490f9c5bc0..2ec7240c1adad 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 */