linux-kernel - Re: [PATCH] ARM: at91/avr32/atmel-mci: fix DMA-channel leak on module unload

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Message-ID: <87ehf7mkw4.fsf@octavius.laptop.org>
Date:	Fri, 22 Mar 2013 12:58:35 -0400
From:	Chris Ball <cjb@...top.org>
To:	Ludovic Desroches <ludovic.desroches@...el.com>
Cc:	Johan Hovold <jhovold@...il.com>, linux-mmc@...r.kernel.org,
	Nicolas Ferre <nicolas.ferre@...el.com>,
	linux-kernel@...r.kernel.org, stable <stable@...r.kernel.org>,
	Haavard Skinnemoen <hskinnemoen@...il.com>,
	linux-arm-kernel@...ts.infradead.org,
	Hans-Christian Egtvedt <egtvedt@...fundet.no>
Subject: Re: [PATCH] ARM: at91/avr32/atmel-mci: fix DMA-channel leak on module unload

Hi,

On Fri, Mar 15 2013, Ludovic Desroches wrote:
> On Wed, Mar 13, 2013 at 05:11:59PM +0100, Johan Hovold wrote:
>> Fix regression introduced by commit 796211b7953 ("mmc: atmel-mci: add
>> pdc support and runtime capabilities detection") which removed the need
>> for CONFIG_MMC_ATMELMCI_DMA but kept the Kconfig-entry as well as the
>> compile guards around dma_release_channel() in remove(). Consequently,
>> DMA is always enabled (if supported), but the DMA-channel is not
>> released on module unload unless the DMA-config option is selected.
>> 
>> Remove the no longer used CONFIG_MMC_ATMELMCI_DMA option completely.
>> 
>> Cc: stable <stable@...r.kernel.org>
>> Signed-off-by: Johan Hovold <jhovold@...il.com>
>
> Hi Johan,
>
> Good point so
>
> Acked-by: Ludovic Desroches <ludovic.desroches@...el.com>

Thanks, I'll merge this via the MMC tree if no-one objects.

- Chris.
-- 
Chris Ball   <cjb@...top.org>   <http://printf.net/>
One Laptop Per Child
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