From: Nicolas Ferre <nicolas.ferre@atmel.com>
Date: Wed, 12 Jan 2011 14:39:06 +0000 (+0100)
Subject: dmaengine: at_hdmac: trivial add precision to unmapping comment
X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=ebcf9b80f9657f44fcb60ee17abe14eadebf3386;p=linux-beck.git

dmaengine: at_hdmac: trivial add precision to unmapping comment

Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
---

diff --git a/drivers/dma/at_hdmac.c b/drivers/dma/at_hdmac.c
index 6eea8883ecf3..73a470b4809b 100644
--- a/drivers/dma/at_hdmac.c
+++ b/drivers/dma/at_hdmac.c
@@ -253,7 +253,7 @@ atc_chain_complete(struct at_dma_chan *atchan, struct at_desc *desc)
 	/* move myself to free_list */
 	list_move(&desc->desc_node, &atchan->free_list);
 
-	/* unmap dma addresses */
+	/* unmap dma addresses (not on slave channels) */
 	if (!atchan->chan_common.private) {
 		struct device *parent = chan2parent(&atchan->chan_common);
 		if (!(txd->flags & DMA_COMPL_SKIP_DEST_UNMAP)) {