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

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Message-ID: <CAD=GYpbjZJeebxaJ=zNc9R=pkSoVsu_3D9deaOr7enuONNc0wQ@mail.gmail.com>
Date:	Fri, 21 Jun 2013 19:07:07 -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

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.

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

Is there anything obvious you might have changed that is causing this?

Thanks,
Joel
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