linux-kernel - Re: [PATCH v4 0/7] Add Ethernet driver for StarFive JH7110 SoC

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Date:   Mon, 6 Feb 2023 09:05:43 +0800
From:   yanhong wang <yanhong.wang@...rfivetech.com>
To:     Conor Dooley <conor@...nel.org>
CC:     <linux-riscv@...ts.infradead.org>, <netdev@...r.kernel.org>,
        <devicetree@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        "David S . Miller" <davem@...emloft.net>,
        Eric Dumazet <edumazet@...gle.com>,
        "Jakub Kicinski" <kuba@...nel.org>,
        Paolo Abeni <pabeni@...hat.com>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Emil Renner Berthing <kernel@...il.dk>,
        Richard Cochran <richardcochran@...il.com>,
        Andrew Lunn <andrew@...n.ch>,
        Heiner Kallweit <hkallweit1@...il.com>,
        Peter Geis <pgwipeout@...il.com>
Subject: Re: [PATCH v4 0/7] Add Ethernet driver for StarFive JH7110 SoC



On 2023/2/4 22:22, Conor Dooley wrote:
> 
> 
> On 3 February 2023 04:02:54 GMT+01:00, yanhong wang <yanhong.wang@...rfivetech.com> wrote:
>>
>>
>>On 2023/1/19 7:21, Conor Dooley wrote:
>>> Hey Yanhong!
>>> 
>>> On Wed, Jan 18, 2023 at 02:16:54PM +0800, Yanhong Wang wrote:
>>>> This series adds ethernet support for the StarFive JH7110 RISC-V SoC. The series
>>>> includes MAC driver. The MAC version is dwmac-5.20 (from Synopsys DesignWare).
>>>> For more information and support, you can visit RVspace wiki[1].
>>>> 	
>>>> This patchset should be applied after the patchset [2], [3], [4].
>>>> [1] https://wiki.rvspace.org/
>>>> [2] https://lore.kernel.org/all/20221118010627.70576-1-hal.feng@starfivetech.com/
>>>> [3] https://lore.kernel.org/all/20221118011108.70715-1-hal.feng@starfivetech.com/
>>>> [4] https://lore.kernel.org/all/20221118011714.70877-1-hal.feng@starfivetech.com/
>>> 
>>> I've got those series applied, albeit locally, since they're not ready,
>>> but I cannot get the Ethernet to work properly on my board.
>>> I boot all of my dev boards w/ tftp, and the visionfive2 is no exception.
>>> The fact that I am getting to the kernel in the first place means the
>>> ethernet is working in the factory supplied U-Boot [1].
>>> 
>>> However, in Linux this ethernet port does not appear to work at all.
>>> The other ethernet port is functional in Linux, but not in the factory
>>> supplied U-Boot.
>>> 
>>> Is this a known issue? If it's not, I'll post the logs somewhere for
>>> you. In case it is relevant, my board is a v1.2a.
>>> 
>>> Thanks,
>>> Conor.
>>> 
>>> 1 - U-Boot 2021.10 (Oct 31 2022 - 12:11:37 +0800), Build: jenkins-VF2_515_Branch_SDK_Release-10
>>
>>
>>No, this is not a issue. 
>>These patches need to rely on the yt8531 phy driver of motorcomm company
>>and the corresponding clock delay configuration to work normally, 
>>and the yt8531 phy driver is being submitted. I have applied the
>>motorcomm patchs during my test on board v1.2b, so the ethernet cannot work without
>>the application of the motorcomm patchs. 
>>
>>For the patchs of yt8531, see [1]
>>
>>1 - https://patchwork.kernel.org/project/netdevbpf/cover/20230202030037.9075-1-Frank.Sae@motor-comm.com/
> 
> Please put that info into the cover of the next round of your submission then.
> 

I will put the info into the cover letter in the next version.

> Thanks,
> Conor.
>