From: vkoul@infradead.org (Vinod Koul)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH 1/1] ARM: mxs-dma: reset after disable channel
Date: Mon, 25 Jul 2011 19:55:37 +0530 [thread overview]
Message-ID: <1311603937.8206.18.camel@vkoul-mobl4> (raw)
In-Reply-To: <1311048596-19932-1-git-send-email-b29396@freescale.com>
On Tue, 2011-07-19 at 12:09 +0800, Dong Aisheng wrote:
> We met some channels in abnormal state after disable.
> Reset it to get a clean state.
>
> Signed-off-by: Dong Aisheng <b29396@freescale.com>
> Cc: Vinod Koul <vinod.koul@intel.com>
> Cc: Shawn Guo <shawn.guo@linaro.org>
> ---
> drivers/dma/mxs-dma.c | 1 +
> 1 files changed, 1 insertions(+), 0 deletions(-)
>
> diff --git a/drivers/dma/mxs-dma.c b/drivers/dma/mxs-dma.c
> index 88aad4f..5a24010 100644
> --- a/drivers/dma/mxs-dma.c
> +++ b/drivers/dma/mxs-dma.c
> @@ -535,6 +535,7 @@ static int mxs_dma_control(struct dma_chan *chan, enum dma_ctrl_cmd cmd,
> switch (cmd) {
> case DMA_TERMINATE_ALL:
> mxs_dma_disable_chan(mxs_chan);
> + mxs_dma_reset_chan(mxs_chan);
> break;
> case DMA_PAUSE:
> mxs_dma_pause_chan(mxs_chan);
Applied, Thanks
--
~Vinod Koul
Intel Corp.
prev parent reply other threads:[~2011-07-25 14:25 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-07-19 4:09 [PATCH 1/1] ARM: mxs-dma: reset after disable channel Dong Aisheng
2011-07-19 4:02 ` Shawn Guo
2011-07-19 8:21 ` Wolfram Sang
2011-07-19 8:45 ` Shawn Guo
2011-07-19 9:13 ` Wolfram Sang
2011-07-19 9:20 ` Dong Aisheng-B29396
2011-07-19 13:44 ` Koul, Vinod
2011-07-25 14:25 ` Vinod Koul [this message]
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