diff options
| author | Heiko Carstens <heiko.carstens@de.ibm.com> | 2013-01-30 14:16:02 +0100 |
|---|---|---|
| committer | Martin Schwidefsky <schwidefsky@de.ibm.com> | 2013-02-14 15:55:11 +0100 |
| commit | e978948db125cc3b90cc324c68e7787f0ac7be4a (patch) | |
| tree | 399252c9679290a7726c284e2b940ab7170b0372 /arch/s390/include/asm/dma-mapping.h | |
| parent | s390/barrier: convert mb() to define again (diff) | |
| download | linux-e978948db125cc3b90cc324c68e7787f0ac7be4a.tar.xz linux-e978948db125cc3b90cc324c68e7787f0ac7be4a.zip | |
s390/dma: provide dma_cache_sync() function
Provide empty dma_cache_sync() function.
Acked-by: Sebastian Ott <sebott@linux.vnet.ibm.com>
Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Diffstat (limited to 'arch/s390/include/asm/dma-mapping.h')
| -rw-r--r-- | arch/s390/include/asm/dma-mapping.h | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/arch/s390/include/asm/dma-mapping.h b/arch/s390/include/asm/dma-mapping.h index 8a32f7dfd3af..e74bc7ac72e0 100644 --- a/arch/s390/include/asm/dma-mapping.h +++ b/arch/s390/include/asm/dma-mapping.h @@ -20,8 +20,11 @@ static inline struct dma_map_ops *get_dma_ops(struct device *dev) extern int dma_set_mask(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); + +static inline void dma_cache_sync(struct device *dev, void *vaddr, size_t size, + enum dma_data_direction direction) +{ +} #define dma_alloc_noncoherent(d, s, h, f) dma_alloc_coherent(d, s, h, f) #define dma_free_noncoherent(d, s, v, h) dma_free_coherent(d, s, v, h) |