Commit f6281dbe authored Apr 04, 2013 by Charles Keepax Committed by Kukjin Kim Apr 04, 2013

ARM: S3C64XX: Clear DMA flags on channel request



This patch clears the DMA flags when a DMA channel is requested. This is
necessary because otherwise the channel may inherit incompatible
settings from its last usage.

Signed-off-by: Charles Keepax <ckeepax@opensource.wolfsonmicro.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>

parent 85214203

arch/arm/mach-s3c64xx/dma.c

+1 −0

Original line number	Diff line number	Diff line
		@@ -509,6 +509,7 @@ int s3c2410_dma_request(enum dma_ch channel,
		chan->client = client;
		chan->in_use = 1;
		chan->peripheral = channel;
		chan->flags = 0;

		local_irq_restore(flags);