linux-kernel - Re: [PATCH v6 2/3] DMA: Freescale: Add new 8-channel DMA engine device tree nodes

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Date:	Fri, 26 Jul 2013 17:03:01 -0500
From:	Scott Wood <scottwood@...escale.com>
To:	<hongbo.zhang@...escale.com>
CC:	<vinod.koul@...el.com>, <djbw@...com>, <leoli@...escale.com>,
	<linuxppc-dev@...ts.ozlabs.org>, <devicetree@...r.kernel.org>,
	<linux-kernel@...r.kernel.org>,
	Hongbo Zhang <hongbo.zhang@...escale.com>
Subject: Re: [PATCH v6 2/3] DMA: Freescale: Add new 8-channel DMA engine
 device tree nodes

On 07/26/2013 05:27:15 AM, hongbo.zhang@...escale.com wrote:
> From: Hongbo Zhang <hongbo.zhang@...escale.com>
> 
> Freescale QorIQ T4 and B4 introduce new 8-channel DMA engines, this  
> patch adds
> the device tree nodes for them.
> 
> Signed-off-by: Hongbo Zhang <hongbo.zhang@...escale.com>
> ---
>  .../devicetree/bindings/powerpc/fsl/dma.txt        |   66  
> ++++++++++++++++
>  arch/powerpc/boot/dts/fsl/b4si-post.dtsi           |    4 +-
>  arch/powerpc/boot/dts/fsl/elo3-dma-0.dtsi          |   81  
> ++++++++++++++++++++
>  arch/powerpc/boot/dts/fsl/elo3-dma-1.dtsi          |   81  
> ++++++++++++++++++++
>  arch/powerpc/boot/dts/fsl/t4240si-post.dtsi        |    4 +-
>  5 files changed, 232 insertions(+), 4 deletions(-)
>  create mode 100644 arch/powerpc/boot/dts/fsl/elo3-dma-0.dtsi
>  create mode 100644 arch/powerpc/boot/dts/fsl/elo3-dma-1.dtsi
> 
> diff --git a/Documentation/devicetree/bindings/powerpc/fsl/dma.txt  
> b/Documentation/devicetree/bindings/powerpc/fsl/dma.txt
> index ed703d9..c9f81b9 100644
> --- a/Documentation/devicetree/bindings/powerpc/fsl/dma.txt
> +++ b/Documentation/devicetree/bindings/powerpc/fsl/dma.txt
> @@ -130,6 +130,72 @@ Example:
>  		};
>  	};
> 
> +** Freescale Elo3 DMA Controller
> +   This is EloPlus controller with 8 channels, used in Freescale  
> Txxx and Bxxx
> +   series chips, such as t1040, t4240, b4860.
> +
> +Required properties:
> +
> +- compatible        : must include "fsl,elo3-dma"

OK, you fixed it here, but you still have the "fsl,CHIP-dma" language  
in the rest of the document.  There is no difference between elo3 and  
previous chips regarding fsl,CHIP-dma as far as the binding is  
concerned.

-Scott
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