X-Git-Url: https://git.karo-electronics.de/?a=blobdiff_plain;f=Documentation%2FDMA-API.txt;h=e865279cec5855818d83eb281fcce06ee0510040;hb=5dc4b0ea1abf5270a18f19bad9de171f62e89167;hp=78a6c569d204bc0073e33fe093d34a8137e5eaf4;hpb=86feff3f3eb643cc5735d414e46a8201a8c67b8f;p=karo-tx-linux.git

diff --git a/Documentation/DMA-API.txt b/Documentation/DMA-API.txt
index 78a6c569d204..e865279cec58 100644
--- a/Documentation/DMA-API.txt
+++ b/Documentation/DMA-API.txt
@@ -141,6 +141,14 @@ won't change the current mask settings.  It is more intended as an
 internal API for use by the platform than an external API for use by
 driver writers.
 
+int
+dma_set_mask_and_coherent(struct device *dev, u64 mask)
+
+Checks to see if the mask is possible and updates the device
+streaming and coherent DMA mask parameters if it is.
+
+Returns: 0 if successful and a negative error if not.
+
 int
 dma_set_mask(struct device *dev, u64 mask)