diff options
| author | Christoph Hellwig <hch@lst.de> | 2017-05-22 11:07:48 +0200 |
|---|---|---|
| committer | Christoph Hellwig <hch@lst.de> | 2017-06-28 06:54:42 -0700 |
| commit | a2b63aa2f45314bea077275c6009ba00c83826a0 (patch) | |
| tree | 69d3b371920b3cc397b6e6a01457c7021ebe2bf4 /arch/hexagon | |
| parent | 3be6d9b6da2ca62a4fd73a401b26f4a1dac2a47d (diff) | |
hexagon: remove arch-specific dma_supported implementation
This implementation is simply bogus - hexagon only has a simple
direct mapped DMA implementation and thus doesn't care about the
address.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Acked-by: Richard Kuo <rkuo@codeaurora.org>
Diffstat (limited to 'arch/hexagon')
| -rw-r--r-- | arch/hexagon/include/asm/dma-mapping.h | 2 | ||||
| -rw-r--r-- | arch/hexagon/kernel/dma.c | 9 |
2 files changed, 0 insertions, 11 deletions
diff --git a/arch/hexagon/include/asm/dma-mapping.h b/arch/hexagon/include/asm/dma-mapping.h index 00e3f10113b0..9c15cb5271a6 100644 --- a/arch/hexagon/include/asm/dma-mapping.h +++ b/arch/hexagon/include/asm/dma-mapping.h @@ -37,8 +37,6 @@ static inline const struct dma_map_ops *get_arch_dma_ops(struct bus_type *bus) return dma_ops; } -#define HAVE_ARCH_DMA_SUPPORTED 1 -extern int dma_supported(struct device *dev, u64 mask); extern int dma_is_consistent(struct device *dev, dma_addr_t dma_handle); extern void dma_cache_sync(struct device *dev, void *vaddr, size_t size, enum dma_data_direction direction); diff --git a/arch/hexagon/kernel/dma.c b/arch/hexagon/kernel/dma.c index 8140b1c5de68..546792d176a4 100644 --- a/arch/hexagon/kernel/dma.c +++ b/arch/hexagon/kernel/dma.c @@ -35,15 +35,6 @@ static inline void *dma_addr_to_virt(dma_addr_t dma_addr) return phys_to_virt((unsigned long) dma_addr); } -int dma_supported(struct device *dev, u64 mask) -{ - if (mask == DMA_BIT_MASK(32)) - return 1; - else - return 0; -} -EXPORT_SYMBOL(dma_supported); - static struct gen_pool *coherent_pool; |