AuxXxilium/linux_dsm_epyc7002
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ARM: S3C64XX: Clear DMA flags on channel request

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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>
This commit is contained in:
Charles Keepax 2013-04-04 14:37:57 +09:00 committed by Kukjin Kim
parent 8521420375
commit f6281dbe4a
1 changed files with 1 additions and 0 deletions
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arch/arm/mach-s3c64xx/dma.c
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@ -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);