linux-kernel - Re: [PATCH v3 05/10] spi/pxa2xx: break out the private DMA API usage into a separate file

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Date:	Mon, 4 Feb 2013 20:43:42 +0100
From:	Linus Walleij <linus.walleij@...aro.org>
To:	Mika Westerberg <mika.westerberg@...ux.intel.com>
Cc:	linux-kernel@...r.kernel.org,
	Grant Likely <grant.likely@...retlab.ca>,
	Eric Miao <eric.y.miao@...il.com>,
	Russell King <linux@....linux.org.uk>,
	Haojian Zhuang <haojian.zhuang@...aro.org>,
	Mark Brown <broonie@...nsource.wolfsonmicro.com>,
	"Rafael J. Wysocki" <rafael.j.wysocki@...el.com>,
	chao.bi@...el.com,
	Andy Shevchenko <andriy.shevchenko@...ux.intel.com>,
	cxie4@...vell.com, ytang5@...vell.com
Subject: Re: [PATCH v3 05/10] spi/pxa2xx: break out the private DMA API usage
 into a separate file

On Tue, Jan 22, 2013 at 11:26 AM, Mika Westerberg
<mika.westerberg@...ux.intel.com> wrote:

> The PXA SPI driver uses PXA platform specific private DMA implementation
> which does not work on non-PXA platforms. In order to use this driver on
> other platforms we break out the private DMA implementation into a separate
> file that gets compiled only when CONFIG_SPI_PXA2XX_PXADMA is set. The DMA
> functions are stubbed out if there is no DMA implementation selected (i.e
> we are building on non-PXA platform).
>
> While we are there we can kill the dummy DMA bits in pxa2xx_spi.h as they
> are not needed anymore for CE4100.
>
> Once this is done we can add the generic DMA engine support to the driver
> that allows usage of any DMA controller that implements DMA engine API.
>
> Signed-off-by: Mika Westerberg <mika.westerberg@...ux.intel.com>
> ---
> This patch was already acked by Linus W but since I changed this by
> breaking out the PXA private implementation into a separate file, I'm
> hoping to get new ack from him ;-)

Sorry for the long delay. This is a nice and clean cut.
Acked-by: Linus Walleij <linus.walleij@...aro.org>

Yours,
Linus Walleij
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