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[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: Segher Boessenkool <segher@kernel.crashing.org> Signed-off-by: Paul Mackerras <paulus@samba.org>
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c05129bd81
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f774216d46
1 changed files with 18 additions and 6 deletions
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@ -249,8 +249,12 @@ dma_map_single(struct device *dev, void *ptr, size_t size,
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return virt_to_bus(ptr);
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}
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/* We do nothing. */
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#define dma_unmap_single(dev, addr, size, dir) ((void)0)
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static inline void dma_unmap_single(struct device *dev, dma_addr_t dma_addr,
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size_t size,
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enum dma_data_direction direction)
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{
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/* We do nothing. */
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}
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static inline dma_addr_t
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dma_map_page(struct device *dev, struct page *page,
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@ -264,8 +268,12 @@ dma_map_page(struct device *dev, struct page *page,
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return page_to_bus(page) + offset;
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}
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/* We do nothing. */
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#define dma_unmap_page(dev, handle, size, dir) ((void)0)
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static inline void dma_unmap_page(struct device *dev, dma_addr_t dma_address,
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size_t size,
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enum dma_data_direction direction)
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{
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/* We do nothing. */
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}
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static inline int
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dma_map_sg(struct device *dev, struct scatterlist *sg, int nents,
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@ -284,8 +292,12 @@ dma_map_sg(struct device *dev, struct scatterlist *sg, int nents,
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return nents;
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}
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/* We don't do anything here. */
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#define dma_unmap_sg(dev, sg, nents, dir) ((void)0)
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static inline void dma_unmap_sg(struct device *dev, struct scatterlist *sg,
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int nhwentries,
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enum dma_data_direction direction)
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{
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/* We don't do anything here. */
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}
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#endif /* CONFIG_PPC64 */
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