From mboxrd@z Thu Jan 1 00:00:00 1970 From: Maurus Cuelenaere Subject: [PATCH 3/3] ARM: S3C64XX: Stop and flush requests on freeing Date: Mon, 31 May 2010 13:34:43 +0200 Message-ID: <4c67e6b3.487e0e0a.0a1b.22d7@mx.google.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: linux-arm-kernel-bounces@lists.infradead.org Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=m.gmane.org@lists.infradead.org To: linux-arm-kernel@lists.infradead.org, linux-samsung-soc@vger.kernel.org Cc: ben-linux@fluff.org List-Id: linux-samsung-soc@vger.kernel.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 1fd9d0c..e1f22af 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; -- 1.7.0.4