linux-kernel - Re: [PATCH v12 00/11] DMA Engine support for AM33XX

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Date:	Fri, 21 Jun 2013 22:36:56 -0500
From:	Joel A Fernandes <agnel.joel@...il.com>
To:	Sekhar Nori <nsekhar@...com>
Cc:	Joel A Fernandes <joelagnel@...com>,
	Tony Lindgren <tony@...mide.com>,
	Matt Porter <matt@...orter.com>,
	Grant Likely <grant.likely@...retlab.ca>,
	Rob Herring <rob.herring@...xeda.com>,
	Vinod Koul <vinod.koul@...el.com>,
	Benoit Cousson <b-cousson@...com>,
	Russell King <linux@....linux.org.uk>,
	Rob Landley <rob@...dley.net>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Jason Kridner <jkridner@...gleboard.org>,
	Koen Kooi <koen@...gleboard.org>,
	Devicetree Discuss <devicetree-discuss@...ts.ozlabs.org>,
	Linux OMAP List <linux-omap@...r.kernel.org>,
	Linux ARM Kernel List <linux-arm-kernel@...ts.infradead.org>,
	Linux DaVinci Kernel List 
	<davinci-linux-open-source@...ux.davincidsp.com>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	Linux Documentation List <linux-doc@...r.kernel.org>,
	Linux MMC List <linux-mmc@...r.kernel.org>,
	Linux SPI Devel List 
	<spi-devel-general@...ts.sourceforge.net>,
	Arnd Bergmann <arnd@...db.de>, broonie@...aro.org
Subject: Re: [PATCH v12 00/11] DMA Engine support for AM33XX

On Fri, Jun 21, 2013 at 7:07 PM, Joel A Fernandes <agnel.joel@...il.com> wrote:
> Hi Sekhar,
>
> On Fri, Jun 21, 2013 at 5:27 AM, Sekhar Nori <nsekhar@...com> wrote:
>> Joel,
>>
>> On 6/21/2013 2:36 AM, Joel A Fernandes wrote:
>>> From: Joel A Fernandes <agnel.joel@...il.com>
>>>
>>> This series is remaining of Matt Porter's EDMA patches for AM33XX EDMA support
>>> with changes for few pending review comments on v11 series.
>>
>> I have posted a branch with fixes for patches accepted by me in this
>> series (also posted inline as replies to specific patches).
>>
>> https://git.kernel.org/cgit/linux/kernel/git/nsekhar/linux-davinci.git/log/?h=v3.11/soc-2
>>
>> Can you please give it a good test - especially on AM335x? I will send a
>> pull request after you confirm. If you find bugs please send incremental
>> patches so I can merge into the original patch.
>
> [Joel]
> This breaks on AM33XX due to dangling pointer, I sent a follow up
> patch addressing it.
>
> However, with this branch I still get..
> mmc: unable to obtain RX DMA engine channel 25

[Joel]
Fixed. I posted a v2 patch. With this, on v3.11/soc-2 branch - AM33xx
MMC is working (root fs mount).

Tested-by: Joel A Fernandes <joelagnel@...com>

Thanks,
Joel
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