linux-kernel - Re: [PATCH RESEND v2 net-next] net: hisilicon: updates HNS config and documents

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Message-ID: <5643F54C.3010303@hisilicon.com>
Date:	Thu, 12 Nov 2015 10:11:24 +0800
From:	huangdaode <huangdaode@...ilicon.com>
To:	Arnd Bergmann <arnd@...db.de>
CC:	<linux-arm-kernel@...ts.infradead.org>,
	Salil Mehta <salil.mehta@...wei.com>, <mark.rutland@....com>,
	<devicetree@...r.kernel.org>, <Yisen.Zhuang@...wei.com>,
	<kenneth-lee-2012@...mail.com>, <pawel.moll@....com>,
	<ijc+devicetree@...lion.org.uk>, <catalin.marinas@....com>,
	<lipeng321@...wei.com>, <will.deacon@....com>,
	<linux-kernel@...r.kernel.org>, <xuwei5@...ilicon.com>,
	<linuxarm@...wei.com>, <robh+dt@...nel.org>,
	<galak@...eaurora.org>, <lisheng011@...wei.com>,
	<netdev@...r.kernel.org>, <liguozhu@...ilicon.com>,
	<davem@...emloft.net>
Subject: Re: [PATCH RESEND v2 net-next] net: hisilicon: updates HNS config
 and documents

On 2015/11/3 6:05, Arnd Bergmann wrote:
> On Saturday 31 October 2015 02:18:19 Salil Mehta wrote:
>> On 10/31/2015 1:40 AM, huangdaode wrote:
>>> On 2015/10/30 22:20, Arnd Bergmann wrote:
>>>> On Tuesday 27 October 2015 19:16:34 huangdaode wrote:
>>>>>             mdio@...c0000 {
>>>>>                       #address-cells = <1>;
>>>>>                       #size-cells = <0>;
>>>>> -                   compatible = "hisilicon,mdio","hisilicon,hns-mdio";
>>>>> +                   compatible = "hisilicon,hns-mdio","hisilicon,mdio";
>>>>>                       reg = <0x0 0x803c0000 0x0 0x10000>;
>>>>>
>>>> Does "hisilicon,mdio" actually have a specific meaning? Is that just
>>>> there
>>>> for legacy reasons?
>>>>
>>>>      Arnd
>>>>
>>>> .
>>>>
>>> hi Arnd,
>>> "hisilicon,mdio" is  the gernerical configuation compatible  for the
>>> default hisilicon chip,
>>> We use generic hisilicon since our MDIO/PHY is same across flavour of
>>> SoCs.
>>>
>> Hi Arnd,
>> Yes, "hisilicon,mdio" exists for the legacy reasons to support older SoC
>> Hip04.
> I see. In that case, that compatible string should probably be mentioned
> only as 'optional' in the binding, and not used for devices other than
> hip04.
>
> 	Arnd
>
> .
>
Hi, Arnd
ok, ill send a patch to specify it, please Ack then.
thanks
Daode.

-- 
Best Regards
Daode Huang


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