diff options
Diffstat (limited to 'drivers/base/power/opp/of.c')
| -rw-r--r-- | drivers/base/power/opp/of.c | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/drivers/base/power/opp/of.c b/drivers/base/power/opp/of.c index 779428676f63..57eec1ca0569 100644 --- a/drivers/base/power/opp/of.c +++ b/drivers/base/power/opp/of.c @@ -131,8 +131,14 @@ static int opp_parse_supplies(struct dev_pm_opp *opp, struct device *dev, prop = of_find_property(opp->np, name, NULL); /* Missing property isn't a problem, but an invalid entry is */ - if (!prop) - return 0; + if (!prop) { + if (!opp_table->regulator_count) + return 0; + + dev_err(dev, "%s: opp-microvolt missing although OPP managing regulators\n", + __func__); + return -EINVAL; + } } vcount = of_property_count_u32_elems(opp->np, name); |