linux-kernel - Re: [PATCH v2] net: bcmgenet: Fix attaching to PYH failed on RPi 4B

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Message-ID: <CAPpJ_edSg54W-eo2jqMszPP-QntPJ=ahyeQE5DOofd-XFFjFwA@mail.gmail.com>
Date:   Thu, 24 Jun 2021 11:28:51 +0800
From:   Jian-Hong Pan <jhp@...lessos.org>
To:     Florian Fainelli <f.fainelli@...il.com>
Cc:     patchwork-bot+netdevbpf@...nel.org,
        Stefan Wahren <stefan.wahren@...e.com>,
        Doug Berger <opendmb@...il.com>, Andrew Lunn <andrew@...n.ch>,
        bcm-kernel-feedback-list@...adcom.com,
        Linux Netdev List <netdev@...r.kernel.org>,
        Linux Kernel <linux-kernel@...r.kernel.org>,
        linux@...lessos.org, linux-rpi-kernel@...ts.infradead.org
Subject: Re: [PATCH v2] net: bcmgenet: Fix attaching to PYH failed on RPi 4B

Ok, thanks!

Florian Fainelli <f.fainelli@...il.com> 於 2021年6月24日 週四 上午11:27寫道：
>
>
>
> On 6/23/2021 7:47 PM, Jian-Hong Pan wrote:
> > Florian Fainelli <f.fainelli@...il.com> 於 2021年6月24日 週四 上午5:19寫道：
> >>
> >> On 6/23/21 1:50 PM, patchwork-bot+netdevbpf@...nel.org wrote:
> >>> Hello:
> >>>
> >>> This patch was applied to netdev/net.git (refs/heads/master):
> >>>
> >>> On Wed, 23 Jun 2021 11:28:03 +0800 you wrote:
> >>>> The Broadcom UniMAC MDIO bus from mdio-bcm-unimac module comes too late.
> >>>> So, GENET cannot find the ethernet PHY on UniMAC MDIO bus. This leads
> >>>> GENET fail to attach the PHY as following log:
> >>>>
> >>>> bcmgenet fd580000.ethernet: GENET 5.0 EPHY: 0x0000
> >>>> ...
> >>>> could not attach to PHY
> >>>> bcmgenet fd580000.ethernet eth0: failed to connect to PHY
> >>>> uart-pl011 fe201000.serial: no DMA platform data
> >>>> libphy: bcmgenet MII bus: probed
> >>>> ...
> >>>> unimac-mdio unimac-mdio.-19: Broadcom UniMAC MDIO bus
> >>>>
> >>>> [...]
> >>>
> >>> Here is the summary with links:
> >>>    - [v2] net: bcmgenet: Fix attaching to PYH failed on RPi 4B
> >>>      https://git.kernel.org/netdev/net/c/b2ac9800cfe0
> >
> > This bot is interesting!!!  Good feature! :)
> >
> >> There was feedback given that could have deserved a v3, if nothing else
> >> to fix the typo in the subject, I suppose that would do though.
> >
> > I can prepare the v3 patch with Florian's suggestion!
>
> Too late, once it's merged only fixups can be accepted, and that does
> not include commit messages, it's alright.
> --
> Florian