linux-kernel - Re: [PATCH v8 3/8] spi/spi-atmel: add dmaengine support

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Date:	Wed, 24 Apr 2013 11:27:44 +0200
From:	Richard Genoud <richard.genoud@...il.com>
To:	Mark Brown <broonie@...nel.org>
Cc:	Wenyou Yang <wenyou.yang@...el.com>,
	linux-arm-kernel@...ts.infradead.org, grant.likely@...retlab.ca,
	plagnioj@...osoft.com, nicolas.ferre@...el.com, JM.Lin@...el.com,
	spi-devel-general@...ts.sourceforge.net,
	spi-devel-general@...ts.sourceforge.ne,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH v8 3/8] spi/spi-atmel: add dmaengine support

2013/4/23 Mark Brown <broonie@...nel.org>:
> On Wed, Apr 03, 2013 at 12:23:35PM +0200, Richard GENOUD wrote:
>
> Richard, delete irrelevant context from your mails - it makes it much
> easier to find the content you added.
>
>> On [mer., 03.04.2013 13:59:19], Wenyou Yang wrote:
>
>> As I did some work on that one:
>> Signed-off-by: Richard Genoud <richard.genoud@...il.com>
>>
>> BUT, there's one thing not working (at least for me !):
>> With DMA enabled, using spidev.
>> if we use the ioctl SPI_IOC_MESSAGE(x) (tested with x=3):
>
> I'd been expecting an updated series with this rolled in?

I did some more test with spidev and a MISO-MOSI loop as Wenyou suggested.

It's ok for me, on kernel 3.9-rc8 sam9g35, I didn't see any error.

Signed-off-by: Richard Genoud <richard.genoud@...il.com>
Tested-by: Richard Genoud <richard.genoud@...il.com>
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