linux-kernel - Re: [regression] stm32mp1xx based targets stopped entering suspend if pwm-leds exist

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Message-ID: <dqibafuvizvltkblfizxvgrl3744lpxbwgdjid5ekxsju7gmxm@fys22ievmgz5>
Date: Tue, 16 Apr 2024 15:18:19 +0200
From: Uwe Kleine-König <u.kleine-koenig@...gutronix.de>
To: Lee Jones <lee@...nel.org>
Cc: Linux regressions mailing list <regressions@...ts.linux.dev>, 
	linux-leds@...r.kernel.org, linux-pwm@...r.kernel.org, LKML <linux-kernel@...r.kernel.org>
Subject: Re: [regression] stm32mp1xx based targets stopped entering suspend
 if pwm-leds exist

Hey Lee,

On Tue, Apr 16, 2024 at 01:15:19PM +0100, Lee Jones wrote:
> On Tue, 16 Apr 2024, Linux regression tracking (Thorsten Leemhuis) wrote:
> 
> > On 06.03.24 09:18, Uwe Kleine-König wrote:
> > > On Wed, Mar 06, 2024 at 08:05:15AM +0100, Linux regression tracking (Thorsten Leemhuis) wrote:
> > > > [...]
> > 
> > Jakob confirmed it helped in the bugzilla ticket. But the patch since
> > then didn't make any progress afaics -- or did it and I just missed it
> > in my search?
> 
> [...] 
> 
> > > ---->8----
> > > From: Uwe Kleine-König <u.kleine-koenig@...gutronix.de>
> > > Subject: [PATCH] leds: pwm: Disable PWM when going to suspend
> > > 
> > > 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>
> > > ---
> > > [...]
> > > ---->8----
> 
> Did you submit this?  I don't see it in LORE or in my inbox.

Yeah sure, apply it using:

	curl -s https://lore.kernel.org/all/2vbwacjy25z5vekylle3ehwi3be4urm6bssrbg6bxobtdlekt4@mazicwtgf4qb/raw | git am --scissors -s

:-)

If you don't consider that suitable, I can create a patch that is easier
to pick up.

Best regards
Uwe

-- 
Pengutronix e.K.                           | Uwe Kleine-König            |
Industrial Linux Solutions                 | https://www.pengutronix.de/ |

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