X-Git-Url: https://git.openpandora.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=Documentation%2FDMA-API.txt;h=66bd97a95f10e18fc9b2a4bff7acb691957cc6a3;hb=e25ba0ce039d1c5cae0b0057e4b9e228dc6744bd;hp=fe2326906610d15c25b928000d343b7917046bce;hpb=f43dc23d5ea91fca257be02138a255f02d98e806;p=pandora-kernel.git

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)