From: Chris Ball <cjb@laptop.org>
To: Arnd Bergmann <arnd@arndb.de>
Cc: linux-arm-kernel@lists.infradead.org,
Sascha Hauer <s.hauer@pengutronix.de>,
linux-mmc@vger.kernel.org
Subject: Re: [PATCH v2] mxcmmc: use dmaengine API
Date: Sun, 20 Feb 2011 19:31:36 +0000 [thread overview]
Message-ID: <20110220193136.GA13266@void.printf.net> (raw)
In-Reply-To: <201102181437.02943.arnd@arndb.de>
Hi Sascha,
On Fri, Feb 18, 2011 at 02:37:02PM +0100, Arnd Bergmann wrote:
> On Friday 18 February 2011, Sascha Hauer wrote:
> > This switches the mxcmmc driver to use the dmaengine API. Unlike
> > the old one this one is always present in the tree, even if no DMA
> > is implemented, hence we can remove all the #ifdefs in from the driver.
> > The driver automatically switches to PIO mode if no DMA support or no
> > suitable channel is available.
> >
> > Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
>
> The patch looks good to me, but shouldn't you also add a Kconfig
> dependency or select on CONFIG_DMA_ENGINE? I don't see where that
> gets set.
>
> Acked-by: Arnd Bergmann <arnd@arndb.de>
I've pushed this to mmc-next now, but please do reply to Arnd's Kconfig
question.
Thanks,
--
Chris Ball <cjb@laptop.org> <http://printf.net/>
One Laptop Per Child
WARNING: multiple messages have this Message-ID (diff)
From: cjb@laptop.org (Chris Ball)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH v2] mxcmmc: use dmaengine API
Date: Sun, 20 Feb 2011 19:31:36 +0000 [thread overview]
Message-ID: <20110220193136.GA13266@void.printf.net> (raw)
In-Reply-To: <201102181437.02943.arnd@arndb.de>
Hi Sascha,
On Fri, Feb 18, 2011 at 02:37:02PM +0100, Arnd Bergmann wrote:
> On Friday 18 February 2011, Sascha Hauer wrote:
> > This switches the mxcmmc driver to use the dmaengine API. Unlike
> > the old one this one is always present in the tree, even if no DMA
> > is implemented, hence we can remove all the #ifdefs in from the driver.
> > The driver automatically switches to PIO mode if no DMA support or no
> > suitable channel is available.
> >
> > Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
>
> The patch looks good to me, but shouldn't you also add a Kconfig
> dependency or select on CONFIG_DMA_ENGINE? I don't see where that
> gets set.
>
> Acked-by: Arnd Bergmann <arnd@arndb.de>
I've pushed this to mmc-next now, but please do reply to Arnd's Kconfig
question.
Thanks,
--
Chris Ball <cjb@laptop.org> <http://printf.net/>
One Laptop Per Child
next prev parent reply other threads:[~2011-02-20 19:31 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-02-18 9:21 [PATCH v2] mxcmmc: use dmaengine API Sascha Hauer
2011-02-18 9:21 ` Sascha Hauer
2011-02-18 13:37 ` Arnd Bergmann
2011-02-18 13:37 ` Arnd Bergmann
2011-02-20 19:31 ` Chris Ball [this message]
2011-02-20 19:31 ` Chris Ball
2011-02-21 14:07 ` Sascha Hauer
2011-02-21 14:07 ` Sascha Hauer
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