Re: [PATCH 3/5] Add DMA of-node to mpc8641hpcn board dts

[Scott Wood <scottwood@freescale.com>]

Zhang Wei wrote:
> This patch adds DMA of-node to MPC8641HPCN board dts.
> 
> Signed-off-by: Zhang Wei <wei.zhang@freescale.com>
> Signed-off-by: Ebony Zhu <ebony.zhu@freescale.com>
> ---
>  arch/powerpc/boot/dts/mpc8641_hpcn.dts |   40 ++++++++++++++++++++++++++++++++
>  1 files changed, 40 insertions(+), 0 deletions(-)
> 
> diff --git a/arch/powerpc/boot/dts/mpc8641_hpcn.dts b/arch/powerpc/boot/dts/mpc8641_hpcn.dts
> index 5d82709..e0175a4 100644
> --- a/arch/powerpc/boot/dts/mpc8641_hpcn.dts
> +++ b/arch/powerpc/boot/dts/mpc8641_hpcn.dts
> @@ -433,5 +433,45 @@
>  			device_type = "open-pic";
>  			big-endian;
>  		};
> +
> +		dma@21000 {
> +			#address-cells = <1>;
> +			#size-cells = <1>;
> +			compatible = "fsl,dma";
> +			reg = <21300 4>;
> +			ranges = <0 21100 200>;
> +			dma-channel@0 {
> +				#address-cells = <1>;
> +				#size-cells = <1>;

The channels aren't buses; only the parent dma node needs #address-cells 
and #size-cells.

-Scott