Re: [PATCH] ARM: dts: rockchip: Add mdio node to ethernet node

[Tomeu Vizoso <tomeu.vizoso-ZGY8ohtN/8qB+jHODAdFcQ@public.gmane.org>]

On 18 March 2016 at 22:34, Andreas Färber <afaerber-l3A5Bk7waGM@public.gmane.org> wrote:
> Am 18.03.2016 um 12:20 schrieb Tomeu Vizoso:
>> So the dwmac device manages to probe again.
>>
>> Signed-off-by: Tomeu Vizoso <tomeu.vizoso-ZGY8ohtN/8qB+jHODAdFcQ@public.gmane.org>
>> Fixes: 88f8b1bb41c6 ("stmmac: Fix 'eth0: No PHY found' regression")
>> ---
>>  arch/arm/boot/dts/rk3288-rock2-som.dtsi | 8 ++++++++
>>  1 file changed, 8 insertions(+)
>>
>> diff --git a/arch/arm/boot/dts/rk3288-rock2-som.dtsi b/arch/arm/boot/dts/rk3288-rock2-som.dtsi
>> index 1ece66f3e162..4ba7ddecb478 100644
>> --- a/arch/arm/boot/dts/rk3288-rock2-som.dtsi
>> +++ b/arch/arm/boot/dts/rk3288-rock2-som.dtsi
>> @@ -101,6 +101,14 @@
>>       snps,reset-delays-us = <0 10000 30000>;
>>       rx_delay = <0x10>;
>>       tx_delay = <0x30>;
>> +     mdio0 {
>> +             #address-cells = <1>;
>> +             #size-cells = <0>;
>> +             compatible = "snps,dwmac-mdio";
>> +             ethphy1: ethernet-phy@1 {
>> +                     reg = <1>;
>> +             };
>> +     };
>
> This is a) ugly for lack of white lines in between, b) unnecessary since
> this is being fixed in the stmmac driver where it will benefit more than
> just this one SoM.

So is this redundant information, or just not necessary with the
present kernel driver because of some assumption in its current
implementation?

Thanks,

Tomeu

> Regards,
> Andreas
>
>>  };
>>
>>  &i2c0 {
>
> --
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> GF: Felix Imendörffer, Jane Smithard, Graham Norton; HRB 21284 (AG Nürnberg)
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