[PATCH 3/3] ARM: S3C64XX: Stop and flush requests on freeing
Maurus Cuelenaere
mcuelenaere at gmail.com
Mon May 31 07:58:34 EDT 2010
When a DMA channel is freed, its pending requests should be flushed and the
channel should be halted. This patch ensures that happens.
Signed-off-by: Maurus Cuelenaere <mcuelenaere at gmail.com>
---
arch/arm/mach-s3c64xx/dma.c | 3 ++-
1 files changed, 2 insertions(+), 1 deletions(-)
diff --git a/arch/arm/mach-s3c64xx/dma.c b/arch/arm/mach-s3c64xx/dma.c
index 8c9946f..193b07f 100644
--- a/arch/arm/mach-s3c64xx/dma.c
+++ b/arch/arm/mach-s3c64xx/dma.c
@@ -560,7 +560,8 @@ int s3c2410_dma_free(unsigned int channel, struct s3c2410_dma_client *client)
channel, chan->client, client);
}
- /* sort out stopping and freeing the channel */
+ s3c64xx_dma_flush(chan);
+ s3c64xx_dma_stop(chan);
chan->client = NULL;
chan->in_use = 0;
--
1.7.1
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