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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2014-11-28 03:19:25 +0100 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2014-11-28 03:19:25 +0100 |
| commit | ae979430e3e2ac23ae44c37077f1171ff5829d7b (patch) | |
| tree | 35e3d21bf313c362285f1863dd2fcd2d8b9f8011 /arch | |
| parent | Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net (diff) | |
| parent | sparc: Add NOP dma_cache_sync() implementation. (diff) | |
| download | linux-ae979430e3e2ac23ae44c37077f1171ff5829d7b.tar.xz linux-ae979430e3e2ac23ae44c37077f1171ff5829d7b.zip | |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc
Pull sparc fixlet from David Miller:
"Aparc fix to add dma_cache_sync(), even if a nop it should be provided
if dma_{alloc,free}_noncoherent() is provided too"
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc:
sparc: Add NOP dma_cache_sync() implementation.
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/sparc/include/asm/dma-mapping.h | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/arch/sparc/include/asm/dma-mapping.h b/arch/sparc/include/asm/dma-mapping.h index 5b1b52a04ad6..7e064c68c5ec 100644 --- a/arch/sparc/include/asm/dma-mapping.h +++ b/arch/sparc/include/asm/dma-mapping.h @@ -12,6 +12,14 @@ int dma_supported(struct device *dev, u64 mask); #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) +static inline void dma_cache_sync(struct device *dev, void *vaddr, size_t size, + enum dma_data_direction dir) +{ + /* Since dma_{alloc,free}_noncoherent() allocated coherent memory, this + * routine can be a nop. + */ +} + extern struct dma_map_ops *dma_ops; extern struct dma_map_ops *leon_dma_ops; extern struct dma_map_ops pci32_dma_ops; |