linux-kernel - Re: Bug 215744 - input from the accelerometer disappeared, regression on amd

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Date:   Fri, 29 Apr 2022 13:34:08 +0200
From:   Thorsten Leemhuis <regressions@...mhuis.info>
To:     "regressions@...ts.linux.dev" <regressions@...ts.linux.dev>
Cc:     linux-input@...r.kernel.org,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: Bug 215744 - input from the accelerometer disappeared, regression
 on amd_sfh on kernel 5.17 #forregzbot

TWIMC: this mail is primarily send for documentation purposes and for
regzbot, my Linux kernel regression tracking bot. These mails usually
contain '#forregzbot' in the subject, to make them easy to spot and filter.

#regzbot invalid: bios bug and reporter seems to be satisfied by
resolving this with a bios update

On 01.04.22 10:06, Thorsten Leemhuis wrote:
> 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. It looks to me like this is something for Basavaraj, as it seems
> to be caused by	b300667b33b2 ("HID: amd_sfh: Disable the interrupt for
> all command"). But I'm not totally sure, I only looked briefly into the
> details. Or was this discussed somewhere else already? Or even fixed?
> 
> To quote from https://bugzilla.kernel.org/show_bug.cgi?id=215744 :
> 
>>  Marco 2022-03-25 15:22:19 UTC
>>
>> After updating to 5.17, the input from the accelerometer disappeared, completely. No devices available from IIO tree. First bad commit causing it is https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/drivers/hid/amd-sfh-hid/amd_sfh_pcie.c?id=b300667b33b2b5a2c8e5f8f22826befb3d7f4f2b. Reverting this and the the other two on top fixed this. Tried to not revert only the above mentioned commit, but it's still not working.
>>
>> Marco.
> 
> Anyway, to get this tracked:
> 
> #regzbot introduced: b300667b33b2b5a2c8e5f8f22826befb3d7f4
> #regzbot from: Marco <rodomar705@...tonmail.com>
> #regzbot title: input: hid: input from the accelerometer disappeared due
> to changes to amd_sfh
> #regzbot link: https://bugzilla.kernel.org/show_bug.cgi?id=215744
> 
> 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.
>