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authorLinus Walleij <linus.walleij@stericsson.com>2009-08-26 12:54:04 +0200
committerLiam Girdwood <lrg@slimlogic.co.uk>2009-09-22 13:32:43 +0100
commita7433cff9ed8e7982de8e0f210f0325d0f3d1949 (patch)
treebee9e9a62dace73825fece589dc32c82a95ae02c /drivers/regulator/core.c
parent9e108d33edcb88bac3db39ba1683fc2c0591d7d4 (diff)
REGULATOR Handle positive returncode from enable
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>
Diffstat (limited to 'drivers/regulator/core.c')
-rw-r--r--drivers/regulator/core.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/regulator/core.c b/drivers/regulator/core.c
index dbf27bf028c..744ea1d0b59 100644
--- a/drivers/regulator/core.c
+++ b/drivers/regulator/core.c
@@ -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++;