diff options
| author | Charles Keepax <ckeepax@opensource.wolfsonmicro.com> | 2013-04-04 07:37:57 +0200 |
|---|---|---|
| committer | Kukjin Kim <kgene.kim@samsung.com> | 2013-04-04 08:17:09 +0200 |
| commit | f6281dbe4a92fe7d6758853d8db5f53a67bc9709 (patch) | |
| tree | 91c582d5eed00595f9d0ef7d26096ae12e080120 /arch/arm/mach-s3c64xx | |
| parent | ARM: EXYNOS: Clear ENABLE_WAKEUP_SW bit when entering suspend (diff) | |
| download | linux-f6281dbe4a92fe7d6758853d8db5f53a67bc9709.tar.xz linux-f6281dbe4a92fe7d6758853d8db5f53a67bc9709.zip | |
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>
Diffstat (limited to 'arch/arm/mach-s3c64xx')
| -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 6af1aa1ef213..759846c28d12 100644 --- a/arch/arm/mach-s3c64xx/dma.c +++ b/arch/arm/mach-s3c64xx/dma.c @@ -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); |