Re: [PATCH 1/5] dmaengine: ste_dma40: Allow memcpy channels to be configured from DT

From: Arnd Bergmann
Date: Tue Apr 30 2013 - 16:43:15 EST


On Tuesday 30 April 2013, Lee Jones wrote:
> @@ -6,6 +6,8 @@ Required properties:
> - reg-names: Names of the above areas to use during resource look-up
> - interrupt: Should contain the DMAC interrupt number
> - #dma-cells: must be <3>
> +- memcpy-channels: Channels to be used for memcpy
> +- memcpy-num-chans: Number of channels to be used for memcpy
>
> Optional properties:
> - dma-channels: Number of channels supported by hardware - if not present
> @@ -21,6 +23,8 @@ Example:
> interrupts = <0 25 0x4>;
>
> #dma-cells = <2>;
> + memcpy-channels = <56, 57, 58, 59, 60>;
> + memcpy-num-chans = <5>;
> dma-channels = <8>;
> };
>

I think you should remove the memcpy-num-chans property and instead evaluate the
length of the memcpy-channels property. Aside from this, it looks fine.

Arnd
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