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| author | Jassi Brar <jassi.brar@samsung.com> | 2011-01-03 19:36:25 +0900 |
|---|---|---|
| committer | Kukjin Kim <kgene.kim@samsung.com> | 2011-01-03 19:36:25 +0900 |
| commit | d03e119c08359f9217154d6a4201689639fe29c8 (patch) | |
| tree | 9bfd5a958f3a81999fe029b302768baf4b7bbec2 /arch/arm/mach-s3c64xx/dma.c | |
| parent | 387c31c7e5c9805b0aef8833d1731a5fe7bdea14 (diff) | |
| download | kernel_samsung_smdk4412-d03e119c08359f9217154d6a4201689639fe29c8.zip kernel_samsung_smdk4412-d03e119c08359f9217154d6a4201689639fe29c8.tar.gz kernel_samsung_smdk4412-d03e119c08359f9217154d6a4201689639fe29c8.tar.bz2 | |
ARM: S3C64XX: Clear DMA_HALT upon start
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>
Diffstat (limited to 'arch/arm/mach-s3c64xx/dma.c')
| -rw-r--r-- | arch/arm/mach-s3c64xx/dma.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/arch/arm/mach-s3c64xx/dma.c b/arch/arm/mach-s3c64xx/dma.c index e7d03ab..d9aa072 100644 --- a/arch/arm/mach-s3c64xx/dma.c +++ b/arch/arm/mach-s3c64xx/dma.c @@ -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); |