Commit e39d40c6 authored Mar 03, 2012 by Gusakov Andrey Committed by Kukjin Kim Mar 03, 2012

ARM: S3C24XX: DMA resume regression fix



s3c2410_dma_suspend suspends channels from 0 to dma_channels.
s3c2410_dma_resume resumes channels in reverse order. So
pointer should be decremented instead of being incremented.

Signed-off-by: Gusakov Andrey <dron0gus@gmail.com>
Reviewed-by: Heiko Stuebner <heiko@sntech.de>
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>

parent c1ba544f

arch/arm/plat-s3c24xx/dma.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -1249,7 +1249,7 @@ static void s3c2410_dma_resume(void)
		struct s3c2410_dma_chan *cp = s3c2410_chans + dma_channels - 1;
		int channel;

		for (channel = dma_channels - 1; channel >= 0; cp++, channel--)
		for (channel = dma_channels - 1; channel >= 0; cp--, channel--)
		s3c2410_dma_resume_chan(cp);
		}