From mboxrd@z Thu Jan 1 00:00:00 1970 From: mcuelenaere@gmail.com (Maurus Cuelenaere) Date: Mon, 31 May 2010 13:58:34 +0200 Subject: [PATCH 3/3] ARM: S3C64XX: Stop and flush requests on freeing In-Reply-To: References: Message-ID: <4C03A46A.2090403@gmail.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org 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 --- 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