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Re: kernel error at led trigger "phy0tpt"

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On 17.04.23 13:25, Linux regression tracking (Thorsten Leemhuis) wrote:
> [adding Matthias to the list of recipients, who back then applied to
> culprit]
> 
> Hi, Thorsten here, the Linux kernel's regression tracker. Top-posting
> for once, to make this easily accessible to everyone.
> 
> AngeloGioacchino, Has any progress been made to fix below regression? It
> doesn't look like it from here, hence I wondered if it fall through the
> cracks.

Hmmm, nobody replied. Does nobody (including the reporters!) care
anymore for valid reasons? Then I'd drop this from the tracking.

Or was progress made and I just missed it?

Ciao, Thorsten (wearing his 'the Linux kernel's regression tracker' hat)
--
Everything you wanna know about Linux kernel regression tracking:
https://linux-regtracking.leemhuis.info/about/#tldr
If I did something stupid, please tell me, as explained on that page.

#regzbot poke

> On 27.03.23 10:23, AngeloGioacchino Del Regno wrote:
>> Il 26/03/23 15:23, Bagas Sanjaya ha scritto:
>>> On 3/26/23 02:20, Tobias Dahms wrote:
>>>> Hello,
>>>>
>>>> the bisection gives following result:
>>>> --------------------------------------------------------------------
>>>> 18c7deca2b812537aa4d928900e208710f1300aa is the first bad commit
>>>> commit 18c7deca2b812537aa4d928900e208710f1300aa
>>>> Author: AngeloGioacchino Del Regno
>>>> <angelogioacchino.delregno@xxxxxxxxxxxxx>
>>>> Date:   Tue May 17 12:47:08 2022 +0200
>>>>
>>>>      soc: mediatek: pwrap: Use readx_poll_timeout() instead of custom
>>>> function
>>>>
>>>>      Function pwrap_wait_for_state() is a function that polls an address
>>>>      through a helper function, but this is the very same operation that
>>>>      the readx_poll_timeout macro means to do.
>>>>      Convert all instances of calling pwrap_wait_for_state() to instead
>>>>      use the read_poll_timeout macro.
>>>>
>>>>      Signed-off-by: AngeloGioacchino Del Regno
>>>> <angelogioacchino.delregno@xxxxxxxxxxxxx>
>>>>      Reviewed-by: Nícolas F. R. A. Prado <nfraprado@xxxxxxxxxxxxx>
>>>>      Tested-by: Nícolas F. R. A. Prado <nfraprado@xxxxxxxxxxxxx>
>>>>      Link:
>>>> https://lore.kernel.org/r/20220517104712.24579-2-angelogioacchino.delregno@xxxxxxxxxxxxx
>>>>      Signed-off-by: Matthias Brugger <matthias.bgg@xxxxxxxxx>
>>>>
>>>>   drivers/soc/mediatek/mtk-pmic-wrap.c | 60
>>>> ++++++++++++++++++++----------------
>>>>   1 file changed, 33 insertions(+), 27 deletions(-)
>>>> --------------------------------------------------------------------
>>>>
>>>
>>> OK, I'm updating the regression status:
>>>
>>> #regzbot introduced: 18c7deca2b8125
>>>
>>> And for replying, don't top-post, but rather reply inline with
>>> appropriate context instead; hence I cut the replied context.
>>>
>>
>> There are two possible solutions to that, specifically, either:
>>  1. Change readx_poll_timeout() to readx_poll_timeout_atomic(); or
>>  2. Fix the mt6323-led driver so that this operation gets done
>>     out of atomic context, which is IMO the option to prefer.
>>
>> Ideas?
>>
>> Regards,
>> Angelo
>>
>>



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