From: vinod.koul@intel.com (Vinod Koul)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH 1/1] dma: imx-sdma: setup dma mask
Date: Sun, 13 Oct 2013 21:48:01 +0530 [thread overview]
Message-ID: <20131013161801.GP2954@intel.com> (raw)
In-Reply-To: <1380623464-24652-2-git-send-email-philippe.retornaz@epfl.ch>
On Tue, Oct 01, 2013 at 12:31:04PM +0200, Philippe R?tornaz wrote:
> The dma mask is not configured in the current code.
> This was triggered by soc-dmaengine-pcm which allocate the dma
> buffers with the imx-sdma as device.
> This commit fix audio on imx31.
>
> Signed-off-by: Philippe R?tornaz <philippe.retornaz@epfl.ch>
This needs to go thru Russell's tree, that has the below API
Acked-by Vinod Koul <vinod.koul@intel.com>
~Vinod
> ---
> drivers/dma/imx-sdma.c | 4 ++++
> 1 file changed, 4 insertions(+)
>
> diff --git a/drivers/dma/imx-sdma.c b/drivers/dma/imx-sdma.c
> index fc43603..c1fd504 100644
> --- a/drivers/dma/imx-sdma.c
> +++ b/drivers/dma/imx-sdma.c
> @@ -1432,6 +1432,10 @@ static int __init sdma_probe(struct platform_device *pdev)
> return -EINVAL;
> }
>
> + ret = dma_coerce_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(32));
> + if (ret)
> + return ret;
> +
> sdma = kzalloc(sizeof(*sdma), GFP_KERNEL);
> if (!sdma)
> return -ENOMEM;
> --
> 1.7.9.5
>
--
next prev parent reply other threads:[~2013-10-13 16:18 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-10-01 10:31 [PATCH 0/1] dma: sdma: setup dma mask Philippe Rétornaz
2013-10-01 10:31 ` [PATCH 1/1] dma: imx-sdma: " Philippe Rétornaz
2013-10-02 8:33 ` Sascha Hauer
2013-10-13 16:18 ` Vinod Koul [this message]
2013-10-13 23:48 ` Russell King - ARM Linux
2013-10-14 8:47 ` Philippe Rétornaz
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