linux-kernel - Re: [PATCH] leds: pwm: Disable PWM when going to suspend

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Message-ID: <b36151b9-15af-41cd-92ca-9ab515d03256@leemhuis.info>
Date: Fri, 26 Apr 2024 08:30:27 +0200
From: "Linux regression tracking (Thorsten Leemhuis)"
 <regressions@...mhuis.info>
To: Uwe Kleine-König <u.kleine-koenig@...gutronix.de>,
 Lee Jones <lee@...nel.org>
Cc: kernel@...gutronix.de, linux-pwm@...r.kernel.org,
 Linux regressions mailing list <regressions@...ts.linux.dev>,
 linux-leds@...r.kernel.org, LKML <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] leds: pwm: Disable PWM when going to suspend

On 26.04.24 08:17, Uwe Kleine-König wrote:
> On Wed, Apr 17, 2024 at 05:38:47PM +0200, Uwe Kleine-König wrote:
>> On stm32mp1xx based machines (and others) a PWM consumer has to disable
>> the PWM because an enabled PWM refuses to suspend. So check the
>> LED_SUSPENDED flag and depending on that set the .enabled property.
>>
>> Link: https://bugzilla.kernel.org/show_bug.cgi?id=218559
>> Fixes: 76fe464c8e64 ("leds: pwm: Don't disable the PWM when the LED should be off")
>> Signed-off-by: Uwe Kleine-König <u.kleine-koenig@...gutronix.de>
>> ---
>> Hello,
>>
>> On Wed, Apr 17, 2024 at 03:49:43PM +0100, Lee Jones wrote:
>>> On Tue, 16 Apr 2024, Uwe Kleine-König wrote:
>>>> If you don't consider that suitable, I can create a patch that is easier
>>>> to pick up.
>>>
>>> Yes, please submit it properly.
> 
> Gentle ping. Even given the regression was introduced in v6.7-rc1
> already, I think this should go into v6.9. [...]

FWIW, I guess Linus would agree (even if it's the second to last release
in this case):

https://lore.kernel.org/all/CAHk-=wis_qQy4oDNynNKi5b7Qhosmxtoj1jxo5wmB6SRUwQUBQ@mail.gmail.com/

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.