ia64: add dma_capable() to replace is_buffer_dma_capable()



dma_capable() eventually replaces is_buffer_dma_capable(), which tells
if a memory area is dma-capable or not. The problem of
is_buffer_dma_capable() is that it doesn't take a pointer to struct
device so it doesn't work for POWERPC.

Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>

parent a4c2baa6

arch/ia64/include/asm/dma-mapping.h

+8 −0

Original line number	Original line	Diff line number	Diff line
	@@ -69,6 +69,14 @@ dma_set_mask (struct device *dev, u64 mask)
	return 0;		return 0;
	}		}

			static inline bool dma_capable(struct device *dev, dma_addr_t addr, size_t size)
			{
			if (!dev->dma_mask)
			return 0;

			return addr + size <= *dev->dma_mask;
			}

	extern int dma_get_cache_alignment(void);		extern int dma_get_cache_alignment(void);

	static inline void		static inline void