From: nicolas.ferre@atmel.com (Nicolas Ferre)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH] mmc: atmel-mci: fix timeout errors in SDIO mode when using DMA
Date: Wed, 27 Nov 2013 10:41:42 +0100 [thread overview]
Message-ID: <5295BE56.3060609@atmel.com> (raw)
In-Reply-To: <87zjoqer82.fsf@octavius.laptop.org>
On 26/11/2013 23:24, Chris Ball :
> Hi,
>
> On Thu, Nov 21 2013, Nicolas Ferre wrote:
>> On 20/11/2013 16:01, ludovic.desroches at atmel.com :
>>> From: Ludovic Desroches <ludovic.desroches@atmel.com>
>>>
>>> With some SDIO devices, timeout errors can happen when reading data. To solve
>>> this issue the DMA transfer has to be activated before sending the command to
>>> the device. This order is incorrect in PDC mode. So we have to take care if we
>>> are using DMA or PDC to know when to send the MMC command.
>>>
>>> Cc: <stable@vger.kernel.org> #3.2+
>>> Signed-off-by: Ludovic Desroches <ludovic.desroches@atmel.com>
>>
>> Acked-by: Nicolas Ferre <nicolas.ferre@atmel.com>
>
> Thanks, pushed to mmc-next for 3.14.
Nice, thank you Chris, but what about considering its inclusion in 3.13?
I know that it will anyway hit the 3.13.y stable update but I do think
that it would be nice to have this fix sooner in official 3.13...
Bye,
--
Nicolas Ferre
prev parent reply other threads:[~2013-11-27 9:41 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-11-20 15:01 [PATCH] mmc: atmel-mci: fix timeout errors in SDIO mode when using DMA ludovic.desroches at atmel.com
2013-11-21 15:42 ` Nicolas Ferre
2013-11-26 22:24 ` Chris Ball
2013-11-27 9:41 ` Nicolas Ferre [this message]
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