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-rw-r--r--drivers/dma/at_hdmac.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/dma/at_hdmac.c b/drivers/dma/at_hdmac.c
index 6eea8883ecf..73a470b4809 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)) {