Re: Bug 215726 - si2157.c: mention name of the missing firmware file

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On 30.03.22 17:47, Piotr Chmura wrote:
> W dniu 30.03.2022 o 12:44, Thorsten Leemhuis pisze:
>> On 30.03.22 12:35, Piotr Chmura wrote:
>>> W dniu 30.03.2022 o 11:55, Thorsten Leemhuis pisze:
>>>> On 29.03.22 21:21, Robert Schlabbach wrote:
>>>>> the patch linked in the bugzilla ticket:
>>>>> https://lore.kernel.org/linux-media/6f84b7f4-3ede-ae55-e99b-a9d4108c80e2@xxxxxxxxx/
>>>>>
>>>>>
>>>>> should indeed fix the issue.
>>>> Ahh, the comment mentioning it was added shortly after I sent my mail.
>>>> #regzbot monitor:
>>>> https://lore.kernel.org/linux-media/6f84b7f4-3ede-ae55-e99b-a9d4108c80e2@xxxxxxxxx/
>>>>
>>>>
>>>>
>>>> Adding Piotr, the patches' author to the CC, who also replied.
>>>>
>>>> BTW: that patch is afaics missing a Fixes tag specifying the culprit
>>>> and
>>>> a `Cc: stable@xxxxxxxxxxxxxxx # 5.17.x` tag to make sure it's quickly
>>>> backported to the stable tree, as among others explained here:
>>>> https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/tree/Documentation/process/handling-regressions.rst
>>>>
>>>>
>>> Sorry for my inconvenience.
>> Don't worry, everything fine. In a case like...
>>
>>> I just fixed my device and wanted to share
>>> solution with the "world". I'm not familiar with all kernel development
>>> convention (yet).
>> ...this someone else should point such details out to the submitter
>> and/or add these tags when applying the patch.
>>
>> @Robert: Do you know which commit causes this regression and could tell
>> us for a proper Fixes: tag?
> Fixes: 1c35ba3bf97213538b82067acc0f23f18e652226

Just FYI, proper fixes tag usage is described here:
https://www.kernel.org/doc/html/latest/process/submitting-patches.html

Hence in this case it should look like this:

Fixes: 1c35ba3bf972 ("media: si2157: use a different namespace for
firmware")

At this point it likely would be good to submit a v2 of the patch with
that Fixes tag, the Tested-by tag from Robert, the CC for stable
backports, and Link: tags linking to all known reports about this
problem (also described in above document), e.g. like this:

Link: https://bugzilla.kernel.org/show_bug.cgi?id=215726
Link:
https://lore.kernel.org/lkml/5f660108-8812-383c-83e4-29ee0558d623@xxxxxxxxxxxxx/

Ciao, Thorsten (wearing his 'the Linux kernel's regression tracker' hat)

P.S.: As the Linux kernel's regression tracker I'm getting a lot of
reports on my table. I can only look briefly into most of them and lack
knowledge about most of the areas they concern. I thus unfortunately
will sometimes get things wrong or miss something important. I hope
that's not the case here; if you think it is, don't hesitate to tell me
in a public reply, it's in everyone's interest to set the public record
straight.

#regzbot introduced: 1c35ba3bf972

> Cheers,
> Piotr Chmura
>> Ciao, Thorsten (wearing his 'the Linux kernel's regression tracker' hat)
>>
>> P.S.: As the Linux kernel's regression tracker I'm getting a lot of
>> reports on my table. I can only look briefly into most of them and lack
>> knowledge about most of the areas they concern. I thus unfortunately
>> will sometimes get things wrong or miss something important. I hope
>> that's not the case here; if you think it is, don't hesitate to tell me
>> in a public reply, it's in everyone's interest to set the public record
>> straight.
>>
>>
>>>>> The error was that the rom_id and required
>>>>> fields were swapped in the table, so the non-zero rom_id was taken
>>>>> as a
>>>>> "true" required boolean value, thus incorrectly evaluating that the
>>>>> chip requires a firmware file to operate when in fact it does not.
>>>>> I have tested the patch and found it worked for me. But I do not know
>>>>> how to push this further along:
>>>>> https://patchwork.linuxtv.org/project/linux-media/patch/6f84b7f4-3ede-ae55-e99b-a9d4108c80e2@xxxxxxxxx/
>>>>>
>>>>>
>>>> Mauro, what's up here? The patch fixes a regression and thus afaics
>>>> should quickly find its way towards mainline to get it into the stable
>>>> tree, as explained in the (bran new) document linked above.
>>>>
>>>> Ciao, Thorsten
>>>>
>>>>> Gesendet: Dienstag, 29. März 2022 um 10:33 Uhr
>>>>> Von: "Thorsten Leemhuis" <regressions@xxxxxxxxxxxxx>
>>>>> An: "Antti Palosaari" <crope@xxxxxx>, "Mauro Carvalho Chehab"
>>>>> <mchehab+huawei@xxxxxxxxxx>, "Robert Schlabbach" <robert_s@xxxxxxx>
>>>>> Cc: "regressions@xxxxxxxxxxxxxxx" <regressions@xxxxxxxxxxxxxxx>,
>>>>> az0123456@xxxxxx, "Linux Media Mailing List"
>>>>> <linux-media@xxxxxxxxxxxxxxx>, "Linux Kernel Mailing List"
>>>>> <linux-kernel@xxxxxxxxxxxxxxx>
>>>>> Betreff: Bug 215726 - si2157.c: mention name of the missing firmware
>>>>> file
>>>>> Hi, this is your Linux kernel regression tracker.
>>>>>
>>>>> I noticed a regression report in bugzilla.kernel.org that afaics
>>>>> nobody
>>>>> acted upon since it was reported about a week ago, that's why I
>>>>> decided
>>>>> to forward it to the lists and all people that seemed to be relevant
>>>>> here. To quote from
>>>>> https://bugzilla.kernel.org/show_bug.cgi?id=215726 :
>>>>>
>>>>>> I get the following error messages when trying to use si2157.ko in
>>>>>> linux 5.17:
>>>>>> si2157 13-0060: found a 'Silicon Labs Si2157-A30 ROM 0x50'
>>>>>> si2157 13-0060: Can't continue without a firmware
>>>>>> I did work in linux 5.16.16 without a firmware file. Unfortunately
>>>>>> the driver does not tell me the name of the missing firmware file.
>>>>> Could somebody take a look into this? Or was this discussed somewhere
>>>>> else already? Or even fixed?
>>>>>
>>>>>
>>>
> 
> 



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