Re: [PATCH] regulator: Fix resume from suspend to idle

From: Sudeep Holla
Date: Wed Feb 14 2018 - 09:01:13 EST


On Tue, Feb 13, 2018 at 9:37 AM, Geert Uytterhoeven
<geert+renesas@xxxxxxxxx> wrote:
> When resuming from idle with the new suspend mode configuration support
> we go through the resume callbacks with a state of PM_SUSPEND_TO_IDLE
> which we don't have regulator constraints for, causing an error:
>
> dpm_run_callback(): regulator_resume_early+0x0/0x64 returns -22
> PM: Device regulator.0 failed to resume early: error -22
>
> Avoid this and similar errors by treating missing constraints as a noop.
>
> See also commit 57a0dd187956ea04 ("regulator: Fix suspend to idle"),
> which fixed the suspend part.
>
> Signed-off-by: Geert Uytterhoeven <geert+renesas@xxxxxxxxx>

Tested-by: Sudeep Holla <sudeep.holla@xxxxxxx>