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Commit f774216d authored by Segher Boessenkool's avatar Segher Boessenkool Committed by Paul Mackerras
Browse files

[POWERPC] Replace a few #defines with empty inline functions 



...so that GCC doesn't complain about unused variables in the
callers of these.

Signed-off-by: default avatarSegher Boessenkool <segher@kernel.crashing.org>
Signed-off-by: default avatarPaul Mackerras <paulus@samba.org>
parent c05129bd

include/asm-powerpc/dma-mapping.h

+18 −6
Original line number Diff line number Diff line
@@ -249,8 +249,12 @@ dma_map_single(struct device *dev, void *ptr, size_t size, 
	return virt_to_bus(ptr);

}



static inline void dma_unmap_single(struct device *dev, dma_addr_t dma_addr,

				    size_t size,

				    enum dma_data_direction direction)

{

	/* We do nothing. */

#define dma_unmap_single(dev, addr, size, dir)	((void)0)

}



static inline dma_addr_t

dma_map_page(struct device *dev, struct page *page,
@@ -264,8 +268,12 @@ dma_map_page(struct device *dev, struct page *page, 
	return page_to_bus(page) + offset;

}



static inline void dma_unmap_page(struct device *dev, dma_addr_t dma_address,

				  size_t size,

				  enum dma_data_direction direction)

{

	/* We do nothing. */

#define dma_unmap_page(dev, handle, size, dir)	((void)0)

}



static inline int

dma_map_sg(struct device *dev, struct scatterlist *sg, int nents,
@@ -284,8 +292,12 @@ dma_map_sg(struct device *dev, struct scatterlist *sg, int nents, 
	return nents;

}



static inline void dma_unmap_sg(struct device *dev, struct scatterlist *sg,

				int nhwentries,

				enum dma_data_direction direction)

{

	/* We don't do anything here. */

#define dma_unmap_sg(dev, sg, nents, dir)	((void)0)

}



#endif /* CONFIG_PPC64 */