linux-kernel - RE: [PATCH v5 2/4] dmaengine: add driver for Samsung s3c24xx SoCs

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Message-id: <0f4401cec3b4$19648230$4c2d8690$@org>
Date:	Tue, 08 Oct 2013 08:22:32 +0900
From:	Kukjin Kim <kgene@...nel.org>
To:	'Vinod Koul' <vinod.koul@...el.com>,
	'Heiko Stübner' <heiko@...ech.de>
Cc:	'Dan Williams' <djbw@...com>, linus.walleij@...aro.org,
	'Tomasz Figa' <tomasz.figa@...il.com>,
	'Sylwester Nawrocki' <sylvester.nawrocki@...il.com>,
	linux-kernel@...r.kernel.org, linux-samsung-soc@...r.kernel.org
Subject: RE: [PATCH v5 2/4] dmaengine: add driver for Samsung s3c24xx SoCs

Vinod Koul wrote:
> 
> On Wed, Sep 18, 2013 at 09:19:54PM +0200, Heiko Stübner wrote:
> > This adds a new driver to support the s3c24xx dma using the dmaengine
> > and makes the old one in mach-s3c24xx obsolete in the long run.
> >
> > Conceptually the s3c24xx-dma feels like a distant relative of the pl08x
> > with numerous virtual channels being mapped to a lot less physical ones.
> > The driver therefore borrows a lot from the amba-pl08x driver in this
> > regard. Functionality-wise the driver gains a memcpy ability in addition
> > to the slave_sg one.
> >
> > The driver supports both the method for requesting the peripheral used
> > by SoCs before the S3C2443 and the different method for S3C2443 and
> later.
> >
> > On earlier SoCs the hardware channels usable for specific peripherals is
> > constrainted while on later SoCs all channels can be used for any
> peripheral.
> >
> > Tested on a s3c2416-based board, memcpy using the dmatest module and
> > slave_sg partially using the spi-s3c64xx driver.
> >
> > Signed-off-by: Heiko Stuebner <heiko@...ech.de>
> > Acked-by: Linus Walleij <linus.walleij@...aro.org>
> Acked-by: Vinod Koul <vinod.koul@...el.com>
> 
Vinod, thanks for your ack :-)

Applied this whole series.
Kukjin

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