[PATCH 31/47] ARM: dts: r8a7794: Reference both DMA controllers in SCIFA nodes

Olof Johansson olof at lixom.net
Wed Apr 13 12:48:04 PDT 2016


Hi,

Commenting on this random patch in the series, but I'm guessing the
same applies for others.

First, I think it's somewhat silly to split this up into 31 patches
instead of just doing one. But it's not bad enough that it really
matters.

My bigger concern is:


On Sun, Apr 3, 2016 at 6:23 PM, Simon Horman <horms+renesas at verge.net.au> wrote:
> diff --git a/arch/arm/boot/dts/r8a7794.dtsi b/arch/arm/boot/dts/r8a7794.dtsi
> index eacb2b291361..4256557ca041 100644
> --- a/arch/arm/boot/dts/r8a7794.dtsi
> +++ b/arch/arm/boot/dts/r8a7794.dtsi
> @@ -296,8 +296,9 @@
>                 interrupts = <GIC_SPI 144 IRQ_TYPE_LEVEL_HIGH>;
>                 clocks = <&mstp2_clks R8A7794_CLK_SCIFA0>;
>                 clock-names = "fck";
> -               dmas = <&dmac0 0x21>, <&dmac0 0x22>;
> -               dma-names = "tx", "rx";
> +               dmas = <&dmac0 0x21>, <&dmac0 0x22>,
> +                      <&dmac1 0x21>, <&dmac1 0x22>;
> +               dma-names = "tx", "rx", "tx", "rx";
>                 power-domains = <&cpg_clocks>;
>                 status = "disabled";
>         };

The names are no longer unique. So a get_<foo>_by_name() function no
longer can work as expected.

This should be fixed.

-Olof



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