ARM: S3C64XX: DMA: Free node for non-circular queues
We need to free the buff and lli nodes if the buffer queue is
not CIRCULAR.
Signed-off-by: Jassi Brar <jassi.brar@samsung.com>
Signed-off-by: Ben Dooks <ben-linux@fluff.org>
diff --git a/arch/arm/plat-s3c64xx/dma.c b/arch/arm/plat-s3c64xx/dma.c
index 7d12eb8f..d554b93 100644
--- a/arch/arm/plat-s3c64xx/dma.c
+++ b/arch/arm/plat-s3c64xx/dma.c
@@ -610,6 +610,12 @@
s3c64xx_dma_bufffdone(chan, buff, res);
+ /* Free the node and update curr, if non-circular queue */
+ if (!(chan->flags & S3C2410_DMAF_CIRCULAR)) {
+ chan->curr = buff->next;
+ s3c64xx_dma_freebuff(buff);
+ }
+
/* Update 'next' */
buff = chan->next;
if (chan->next == chan->end) {