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Xtensa patches for 4.1 

This patch fixes allmodconfig, which fails to build due to
 missing dma_alloc_attrs() and dma_free_attrs() functions.
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Merge tag 'xtensa-20150526' of git://github.com/czankel/xtensa-linux

Pull Xtensa fix from Chris Zankel:
 "This fixes allmodconfig, which fails to build due to missing
  dma_alloc_attrs() and dma_free_attrs() functions"

* tag 'xtensa-20150526' of git://github.com/czankel/xtensa-linux:
  xtensa: Provide dummy dma_alloc_attrs() and dma_free_attrs()
This commit is contained in:
Linus Torvalds 2015-05-28 13:28:24 -07:00
parent 1263193d1a e74993aef4
commit ace6a22a9f
1 changed files with 13 additions and 0 deletions
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13
arch/xtensa/include/asm/dma-mapping.h
View File

@ -185,4 +185,17 @@ static inline int dma_get_sgtable(struct device *dev, struct sg_table *sgt,
return -EINVAL;
}
static inline void *dma_alloc_attrs(struct device *dev, size_t size,
dma_addr_t *dma_handle, gfp_t flag,
struct dma_attrs *attrs)
{
return NULL;
}
static inline void dma_free_attrs(struct device *dev, size_t size,
void *vaddr, dma_addr_t dma_handle,
struct dma_attrs *attrs)
{
}
#endif /* _XTENSA_DMA_MAPPING_H */