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powerpc: Fix !CONFIG_PPC_NEED_DMA_SYNC_OPS build warning 

Change #define stubs of dma_sync ops to be empty static inlines
to avoid build warning.

Signed-off-by: Becky Bruce <beckyb@kernel.crashing.org>
Acked-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Paul Mackerras <paulus@samba.org>
This commit is contained in:
Becky Bruce 2008-12-04 08:12:40 +00:00 committed by Paul Mackerras
parent 46d01492b2
commit 0efbb57e06
1 changed files with 35 additions and 6 deletions
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41
arch/powerpc/include/asm/dma-mapping.h
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@ -363,12 +363,41 @@ static inline void dma_sync_single_range_for_device(struct device *dev,
size, direction);
}
#else /* CONFIG_PPC_NEED_DMA_SYNC_OPS */
#define dma_sync_single_for_cpu(d, h, s, dir) ((void)0)
#define dma_sync_single_for_device(d, h, s, dir) ((void)0)
#define dma_sync_single_range_for_cpu(d, h, o, s, dir) ((void)0)
#define dma_sync_single_range_for_device(d, h, o, s, dir) ((void)0)
#define dma_sync_sg_for_cpu(d, s, n, dir) ((void)0)
#define dma_sync_sg_for_device(d, s, n, dir) ((void)0)
static inline void dma_sync_single_for_cpu(struct device *dev,
dma_addr_t dma_handle, size_t size,
enum dma_data_direction direction)
{
}
static inline void dma_sync_single_for_device(struct device *dev,
dma_addr_t dma_handle, size_t size,
enum dma_data_direction direction)
{
}
static inline void dma_sync_sg_for_cpu(struct device *dev,
struct scatterlist *sgl, int nents,
enum dma_data_direction direction)
{
}
static inline void dma_sync_sg_for_device(struct device *dev,
struct scatterlist *sgl, int nents,
enum dma_data_direction direction)
{
}
static inline void dma_sync_single_range_for_cpu(struct device *dev,
dma_addr_t dma_handle, unsigned long offset, size_t size,
enum dma_data_direction direction)
{
}
static inline void dma_sync_single_range_for_device(struct device *dev,
dma_addr_t dma_handle, unsigned long offset, size_t size,
enum dma_data_direction direction)
{
}
#endif
static inline int dma_mapping_error(struct device *dev, dma_addr_t dma_addr)