linux-kernel - Re: [PATCH] Revert "arm64: dts: amlogic: add missing ethernet reset ID"

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Date:   Mon, 8 Mar 2021 09:57:56 +0100
From:   Neil Armstrong <narmstrong@...libre.com>
To:     Kevin Hilman <khilman@...libre.com>
Cc:     linux-amlogic@...ts.infradead.org,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        Corentin Labbe <clabbe@...libre.com>,
        Jérôme Brunet <jbrunet@...libre.com>
Subject: Re: [PATCH] Revert "arm64: dts: amlogic: add missing ethernet reset
 ID"

On 03/03/2021 00:28, Kevin Hilman wrote:
> Hi Neil,
> 
> Neil Armstrong <narmstrong@...libre.com> writes:
> 
>> It has been reported on IRC and in KernelCI boot tests, this change breaks
>> internal PHY support on the Amlogic G12A/SM1 Based boards.
>>
>> We suspect the added signal to reset more than the Ethernet MAC but also
>> the MDIO/(RG)MII mux used to redirect the MAC signals to the internal PHY.
>>
>> This reverts commit f3362f0c18174a1f334a419ab7d567a36bd1b3f3 while we find
>> and acceptable solution to cleanly reset the Ethernet MAC.
>>
>> Reported-by: Corentin Labbe <clabbe@...libre.com>
>> Acked-by: Jérôme Brunet <jbrunet@...libre.com>
>> Signed-off-by: Neil Armstrong <narmstrong@...libre.com>
>> ---
>> Hi Kevin,
>>
>> This has been reported to also break on 5.10, when this lands on 5.11, I'll send another
>> patch for 5.10 because meson-axg.dtsi needs a conflict resolution on 5.11.
> 
> Looks like this never got submitted to v5.10.  I just discovered it that
> v5.10 in SEI610 (internal PHY) is broken.
> 
> Could you submit this to v5.10 stable also please?

Sure, I'll prepare this.

Neil

> 
> Thanks,
> 
> Kevin
> 
> 
> 
> 
>