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ARM: S3C64XX: Clear DMA_HALT upon start

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The stop function sets the DMA_HALT bit, which prevents
the DMA transfer to resume after stop, for example during
audio PAUSE/PLAY cycle. Clear the HALT bit during start.

Signed-off-by: Jassi Brar <jassi.brar@samsung.com>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
This commit is contained in:
Jassi Brar 2011-01-03 19:36:25 +09:00 committed by Kukjin Kim
parent 387c31c7e5
commit d03e119c08
1 changed files with 1 additions and 0 deletions
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arch/arm/mach-s3c64xx/dma.c
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@ -212,6 +212,7 @@ static int s3c64xx_dma_start(struct s3c2410_dma_chan *chan)
config = readl(chan->regs + PL080S_CH_CONFIG);
config |= PL080_CONFIG_ENABLE;
config &= ~PL080_CONFIG_HALT;
pr_debug("%s: writing config %08x\n", __func__, config);
writel(config, chan->regs + PL080S_CH_CONFIG);