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regulator: Fix suspend to idle 

When suspending to idle with the new suspend mode configuration support
we go through the suspend callbacks with a state of PM_SUSPEND_TO_IDLE
which we don't have regulator constraints for, causing an error.  Avoid
this and similar errors by treating missing constraints as a noop.

Reported-by: Geert Uytterhoeven <geert+renesas@glider.be>
Tested-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Mark Brown <broonie@kernel.org>
hifive-unleashed-5.1
Mark Brown 2018-01-30 12:16:31 +00:00
parent 4e79f3f1c8
commit 57a0dd1879
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1 changed files with 1 additions and 1 deletions
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drivers/regulator/core.c
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@ -758,7 +758,7 @@ static int suspend_set_state(struct regulator_dev *rdev,
rstate = regulator_get_suspend_state(rdev, state);
if (rstate == NULL)
return -EINVAL;
return 0;
/* If we have no suspend mode configration don't set anything;
* only warn if the driver implements set_suspend_voltage or