linux-kernel - Re: Fwd: dwc3: regression in USB DWC3 driver in kernel 5.15 branch

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Message-ID: <635eb180-0dea-4dc7-a092-be453bf80023@leemhuis.info>
Date:   Wed, 1 Nov 2023 19:59:24 +0100
From:   "Linux regression tracking (Thorsten Leemhuis)" 
        <regressions@...mhuis.info>
To:     Tomasz Rostanski <tomasz.rostanski@...lesgroup.com>
Cc:     Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Linux Regressions <regressions@...ts.linux.dev>,
        Linux Stable <stable@...r.kernel.org>,
        Linux USB <linux-usb@...r.kernel.org>,
        Linux ARM <linux-arm-kernel@...ts.infradead.org>,
        Bagas Sanjaya <bagasdotme@...il.com>,
        Alexander Stein <alexander.stein@...tq-group.com>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Sasha Levin <sashal@...nel.org>
Subject: Re: Fwd: dwc3: regression in USB DWC3 driver in kernel 5.15 branch

On 15.07.23 13:03, Bagas Sanjaya wrote:
> 
> I notice a stable-specific regression on Bugzilla [1]. Quoting from it:
> 
>> The backport commit to 5.15 branch:
>> 9d4f84a15f9c9727bc07f59d9dafc89e65aadb34 "arm64: dts: imx8mp: Add snps,gfladj-refclk-lpm-sel quirk to USB nodes"  (from upstream commit 5c3d5ecf48ab06c709c012bf1e8f0c91e1fcd7ad)
>> switched from "snps,dis-u2-freeclk-exists-quirk" to "snps,gfladj-refclk-lpm-sel-quirk".
>> [...]
>> When the commit is reverted the USB 3.x drives works fine.
> 
> See Bugzilla for the full thread and attach dmesgs.
> 
> Anyway, I'm adding it to regzbot:
> 
> #regzbot introduced: 9d4f84a15f9c97 https://bugzilla.kernel.org/show_bug.cgi?id=217670
> #regzbot title: regression in USB DWC3 driver due to missing gfladj-refclk-lpm-sel-quirk quirk
> 
> [1]: https://bugzilla.kernel.org/show_bug.cgi?id=217670

Tomasz, it looks like you were really close at resolving this regression
when you submitted the required patches for the 5.15.y branch a few
weeks ago:
https://lore.kernel.org/all/2023090417-silk-parting-36d8@gregkh/

What happened? Did you loose interest? Did you not understand what Greg
asked for? Do you need help?

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