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| author | Heiko Carstens <heiko.carstens@de.ibm.com> | 2010-08-13 09:39:18 +0200 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2010-08-13 12:03:24 -0700 |
| commit | e259f191f2244df04a7746fac1df8aa68ebd0106 (patch) | |
| tree | e466b1d9018e23a5e06216368a4885059eb89849 /include/linux/dma-mapping.h | |
| parent | c7dcf87a6881bf796faee83003163eb3de41a309 (diff) | |
| download | lwn-e259f191f2244df04a7746fac1df8aa68ebd0106.tar.gz lwn-e259f191f2244df04a7746fac1df8aa68ebd0106.zip | |
dma-mapping: fix build errors on !HAS_DMA architectures
commit 4565f0170dfc849b3629c27d769db800467baa62 "dma-mapping: unify
dma_get_cache_alignment implementations" causes build errors on
!HAS_DMA architectures/platforms like s390 and sun3:
include/linux/dma-mapping.h:145: error: static declaration of 'dma_get_cache_alignment' follows non-static declaration
include/asm-generic/dma-mapping-broken.h:73: error: previous declaration of 'dma_get_cache_alignment' was here
Fix this by adding an explicit ifdef.
Cc: Geert Uytterhoeven <geert@linux-m68k.org>
Acked-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'include/linux/dma-mapping.h')
| -rw-r--r-- | include/linux/dma-mapping.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/include/linux/dma-mapping.h b/include/linux/dma-mapping.h index e0670a512056..ce29b8151198 100644 --- a/include/linux/dma-mapping.h +++ b/include/linux/dma-mapping.h @@ -142,6 +142,7 @@ static inline int dma_set_seg_boundary(struct device *dev, unsigned long mask) return -EIO; } +#ifdef CONFIG_HAS_DMA static inline int dma_get_cache_alignment(void) { #ifdef ARCH_DMA_MINALIGN @@ -149,6 +150,7 @@ static inline int dma_get_cache_alignment(void) #endif return 1; } +#endif /* flags for the coherent memory api */ #define DMA_MEMORY_MAP 0x01 |