linux-kernel - RE: [PATCH v3 1/5] Documentation: DT: vdma: Rename vdma-chan prefix to dma-chan

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Date:	Wed, 6 Apr 2016 16:25:58 +0000
From:	Appana Durga Kedareswara Rao <appana.durga.rao@...inx.com>
To:	Soren Brinkmann <sorenb@...inx.com>
CC:	"robh+dt@...nel.org" <robh+dt@...nel.org>,
	"pawel.moll@....com" <pawel.moll@....com>,
	"mark.rutland@....com" <mark.rutland@....com>,
	"ijc+devicetree@...lion.org.uk" <ijc+devicetree@...lion.org.uk>,
	"galak@...eaurora.org" <galak@...eaurora.org>,
	Michal Simek <michals@...inx.com>,
	"vinod.koul@...el.com" <vinod.koul@...el.com>,
	"dan.j.williams@...el.com" <dan.j.williams@...el.com>,
	"moritz.fischer@...us.com" <moritz.fischer@...us.com>,
	"laurent.pinchart@...asonboard.com" 
	<laurent.pinchart@...asonboard.com>,
	"luis@...ethencourt.com" <luis@...ethencourt.com>,
	Srikanth Vemula <svemula@...inx.com>,
	Anirudha Sarangi <anirudh@...inx.com>,
	"devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
	"linux-arm-kernel@...ts.infradead.org" 
	<linux-arm-kernel@...ts.infradead.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"dmaengine@...r.kernel.org" <dmaengine@...r.kernel.org>
Subject: RE: [PATCH v3 1/5] Documentation: DT: vdma: Rename vdma-chan prefix
 to dma-chan

Hi Soren,


> -----Original Message-----
> From: Sören Brinkmann [mailto:soren.brinkmann@...inx.com]
> Sent: Wednesday, April 06, 2016 9:50 PM
> To: Appana Durga Kedareswara Rao <appanad@...inx.com>
> Cc: robh+dt@...nel.org; pawel.moll@....com; mark.rutland@....com;
> ijc+devicetree@...lion.org.uk; galak@...eaurora.org; Michal Simek
> <michals@...inx.com>; vinod.koul@...el.com; dan.j.williams@...el.com;
> Appana Durga Kedareswara Rao <appanad@...inx.com>;
> moritz.fischer@...us.com; laurent.pinchart@...asonboard.com;
> luis@...ethencourt.com; Srikanth Vemula <svemula@...inx.com>; Anirudha
> Sarangi <anirudh@...inx.com>; devicetree@...r.kernel.org; linux-arm-
> kernel@...ts.infradead.org; linux-kernel@...r.kernel.org;
> dmaengine@...r.kernel.org
> Subject: Re: [PATCH v3 1/5] Documentation: DT: vdma: Rename vdma-chan
> prefix to dma-chan
> 
> On Wed, 2016-04-06 at 21:45:31 +0530, Kedareswara rao Appana wrote:
> > This patch renames the vdma-mm2s-channel/vdma-s2mm-channel
> > property with dma-mm2s-channel/dma-s2mm-channel to sync with the
> > driver.
> >
> > Signed-off-by: Kedareswara rao Appana <appanad@...inx.com>
> > ---
> > Changes for v3:
> > ---> New patch.
> >
> >  Documentation/devicetree/bindings/dma/xilinx/xilinx_vdma.txt | 8
> > ++++----
> >  1 file changed, 4 insertions(+), 4 deletions(-)
> >
> > diff --git
> > a/Documentation/devicetree/bindings/dma/xilinx/xilinx_vdma.txt
> > b/Documentation/devicetree/bindings/dma/xilinx/xilinx_vdma.txt
> > index a86737c..762938f 100644
> > --- a/Documentation/devicetree/bindings/dma/xilinx/xilinx_vdma.txt
> > +++ b/Documentation/devicetree/bindings/dma/xilinx/xilinx_vdma.txt
> > @@ -24,8 +24,8 @@ Optional properties:
> >  	{3}, flush s2mm channel
> >
> >  Required child node properties:
> > -- compatible: It should be either "xlnx,axi-vdma-mm2s-channel" or
> > -	"xlnx,axi-vdma-s2mm-channel".
> > +- compatible: It should be either "xlnx,axi-dma-mm2s-channel" or
> > +	"xlnx,axi-dma-s2mm-channel".
> 
> This change is not backwards compatible and breaks every user of the current
> binding.

This commit http://git.kernel.org/cgit/linux/kernel/git/vkoul/slave-dma.git/commit/?h=next&id=8e66e7d682b04f7141f8ae666908c8dcd7fc0bfa 
Renames xilinx_vdma_ prefix to xilinx_dma which includes renaming of the above properties.
The patch (dmaengine: vdma: Rename xilinx_vdma_ prefix to xilinx_dma) already got applied in the dma-next tree.
That's why sent this patch to sync with the current driver I mean latest driver.

Regards,
Kedar.

> 
> 	Sören