linux-kernel - Re: [RFC PATCH 01/13] misc: atmel_ssc: add device tree DMA support

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Date:	Tue, 2 Jul 2013 11:01:45 +0800
From:	Bo Shen <voice.shen@...el.com>
To:	Richard Genoud <richard.genoud@...il.com>
CC:	<devicetree-discuss@...ts.ozlabs.org>,
	Nicolas Ferre <nicolas.ferre@...el.com>,
	<linux-kernel@...r.kernel.org>,
	<linux-arm-kernel@...ts.infradead.org>,
	Uwe Kleine-König 
	<u.kleine-koenig@...gutronix.de>
Subject: Re: [RFC PATCH 01/13] misc: atmel_ssc: add device tree DMA support

Hi Richard,

On 7/1/2013 16:39, Richard Genoud wrote:
> The ssc device has to fill the at_dma_slave structure with the
> device tree informations.
> Doing a of_dma_request_slave_channel()+dma_release_channel() for that
> seems wrong (or at least not very clean).

Please hold on of this, as to the ASoC dmaengine will deal with this. 
So, we not need do it manually.

Now, I am working on it. And will send out the patch soon after testing OK.

> Signed-off-by: Richard Genoud<richard.genoud@...il.com>
> ---
>   drivers/misc/atmel-ssc.c                |   56 +++++++++++++++++++++++++++++++
>   include/linux/atmel-ssc.h               |    2 ++
>   include/linux/platform_data/dma-atmel.h |    2 ++
>   3 files changed, 60 insertions(+)

Best Regards,
Bo Shen
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