Commit a2b63aa2 authored by Christoph Hellwig's avatar Christoph Hellwig
Browse files

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: default avatarChristoph Hellwig <hch@lst.de>
Acked-by: default avatarRichard Kuo <rkuo@codeaurora.org>
parent 3be6d9b6

arch/hexagon/include/asm/dma-mapping.h

+0 −2
Original line number Diff line number Diff line
@@ -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);

arch/hexagon/kernel/dma.c

+0 −9
Original line number Diff line number Diff line
@@ -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;

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