[PATCH 1/3] ARM: shmobile: r8a7793: Add DMAC devices to DT

[Magnus Damm]

Hi Simon,

On Tue, Nov 10, 2015 at 4:13 PM, Simon Horman
<horms+renesas at verge.net.au> wrote:
> Instantiate the two system DMA controllers in the r8a7793 device tree.
>
> Based on similar work for the r8a7793 by Laurent Pinchart.
>
> Cc: Laurent Pinchart <laurent.pinchart+renesas at ideasonboard.com>
> Signed-off-by: Simon Horman <horms+renesas at verge.net.au>
> ---
>  arch/arm/boot/dts/r8a7793.dtsi | 72 ++++++++++++++++++++++++++++++++++++++++++
>  1 file changed, 72 insertions(+)
>
> diff --git a/arch/arm/boot/dts/r8a7793.dtsi b/arch/arm/boot/dts/r8a7793.dtsi
> index 4f6480f8845f..187a82dc7d9f 100644
> --- a/arch/arm/boot/dts/r8a7793.dtsi
> +++ b/arch/arm/boot/dts/r8a7793.dtsi
> @@ -128,6 +128,68 @@
>                 #gpio-range-cells = <3>;
>         };
>
> +       dmac0: dma-controller at e6700000 {
> +               compatible = "renesas,rcar-dmac";

Thanks for cooking up this patch. It looks fine to me, but it reminds
me about compat string handling.

Is there any special reason why we don't use the SoC part number in
the compatible string for DMAC devices?

Cheers,

/ magnus