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| author | Anton Vorontsov <cbouatmailru@gmail.com> | 2012-01-04 09:09:35 +0400 |
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| committer | Anton Vorontsov <cbouatmailru@gmail.com> | 2012-01-04 09:09:35 +0400 |
| commit | 251f39fe42dae863bd24e30864e6b66076ba076d (patch) | |
| tree | c804944bc17f3836d19cc8b5bc611dd1fb0ea915 /Documentation/DMA-API.txt | |
| parent | 9b8872273af6983b246252a6508fa7cf34c69d6e (diff) | |
| parent | 35b4c01e29bdd9632dabf9784ed3486333f00427 (diff) | |
| download | linux-251f39fe42dae863bd24e30864e6b66076ba076d.tar.gz linux-251f39fe42dae863bd24e30864e6b66076ba076d.tar.bz2 linux-251f39fe42dae863bd24e30864e6b66076ba076d.zip | |
Merge branch 'power-supply-scope' of git://git.kernel.org/pub/scm/linux/kernel/git/jeremy/xen
Diffstat (limited to 'Documentation/DMA-API.txt')
| -rw-r--r-- | Documentation/DMA-API.txt | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/Documentation/DMA-API.txt b/Documentation/DMA-API.txt index fe2326906610..66bd97a95f10 100644 --- a/Documentation/DMA-API.txt +++ b/Documentation/DMA-API.txt @@ -50,6 +50,13 @@ specify the GFP_ flags (see kmalloc) for the allocation (the implementation may choose to ignore flags that affect the location of the returned memory, like GFP_DMA). +void * +dma_zalloc_coherent(struct device *dev, size_t size, + dma_addr_t *dma_handle, gfp_t flag) + +Wraps dma_alloc_coherent() and also zeroes the returned memory if the +allocation attempt succeeded. + void dma_free_coherent(struct device *dev, size_t size, void *cpu_addr, dma_addr_t dma_handle) |