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>