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REGULATOR Handle positive returncode from enable

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This makes _regulator_enable() properly handle the case where
a regulator is already on when you try to enable it. Currently
it will erroneously handle positive return values as an error.

Signed-off-by: Linus Walleij <linus.walleij@stericsson.com>
Acked-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Liam Girdwood <lrg@slimlogic.co.uk>
This commit is contained in:
Linus Walleij 2009-08-26 12:54:04 +02:00 committed by Liam Girdwood
parent 9e108d33ed
commit a7433cff9e
1 changed files with 2 additions and 1 deletions
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3
drivers/regulator/core.c
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@ -1236,11 +1236,12 @@ static int _regulator_enable(struct regulator_dev *rdev)
} else {
return -EINVAL;
}
} else {
} else if (ret < 0) {
printk(KERN_ERR "%s: is_enabled() failed for %s: %d\n",
__func__, rdev->desc->name, ret);
return ret;
}
/* Fallthrough on positive return values - already enabled */
}
rdev->use_count++;