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

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite for Android: free password hash cracker in your pocket

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <CAAObsKBXuTw37YJb+Fhq_NgZw2rjPQ14phF1yRG+N2mEu9uBmw@mail.gmail.com>
Date:	Mon, 21 Mar 2016 09:23:04 +0100
From:	Tomeu Vizoso <tomeu.vizoso@...labora.com>
To:	Andreas Färber <afaerber@...e.de>
Cc:	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	Mark Rutland <mark.rutland@....com>,
	"devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
	Russell King <linux@....linux.org.uk>,
	Heiko Stuebner <heiko@...ech.de>,
	Pawel Moll <pawel.moll@....com>,
	Ian Campbell <ijc+devicetree@...lion.org.uk>,
	Rob Herring <robh+dt@...nel.org>,
	Kumar Gala <galak@...eaurora.org>,
	"open list:ARM/Rockchip SoC..." <linux-rockchip@...ts.infradead.org>,
	"linux-arm-kernel@...ts.infradead.org" 
	<linux-arm-kernel@...ts.infradead.org>,
	Giuseppe Cavallaro <peppe.cavallaro@...com>
Subject: Re: [PATCH] ARM: dts: rockchip: Add mdio node to ethernet node

On 18 March 2016 at 22:34, Andreas Färber <afaerber@...e.de> 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@...labora.com>
>> 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 {
>
> --
> SUSE Linux GmbH, Maxfeldstr. 5, 90409 Nürnberg, Germany
> GF: Felix Imendörffer, Jane Smithard, Graham Norton; HRB 21284 (AG Nürnberg)