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 09:20:22 -0700
From:	Sören Brinkmann <soren.brinkmann@...inx.com>
To:	Kedareswara rao Appana <appana.durga.rao@...inx.com>
CC:	<robh+dt@...nel.org>, <pawel.moll@....com>, <mark.rutland@....com>,
	<ijc+devicetree@...lion.org.uk>, <galak@...eaurora.org>,
	<michal.simek@...inx.com>, <vinod.koul@...el.com>,
	<dan.j.williams@...el.com>, <appanad@...inx.com>,
	<moritz.fischer@...us.com>, <laurent.pinchart@...asonboard.com>,
	<luis@...ethencourt.com>, <svemula@...inx.com>,
	<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.

	Sören