ath10k: add trace event for WMI_DEBUG_MESG_EVENTID

[cascardo/linux.git] / Documentation / DMA-API.txt

diff --git a/Documentation/DMA-API.txt b/Documentation/DMA-API.txt
index 78a6c56..e865279 100644 (file)
--- 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)