diff options
Diffstat (limited to 'drivers/base/power/opp/of.c')
| -rw-r--r-- | drivers/base/power/opp/of.c | 14 |
1 files changed, 12 insertions, 2 deletions
diff --git a/drivers/base/power/opp/of.c b/drivers/base/power/opp/of.c index 1dfd3dd92624..5552211e6fcd 100644 --- a/drivers/base/power/opp/of.c +++ b/drivers/base/power/opp/of.c @@ -71,8 +71,18 @@ static bool _opp_is_supported(struct device *dev, struct opp_table *opp_table, u32 version; int ret; - if (!opp_table->supported_hw) - return true; + if (!opp_table->supported_hw) { + /* + * In the case that no supported_hw has been set by the + * platform but there is an opp-supported-hw value set for + * an OPP then the OPP should not be enabled as there is + * no way to see if the hardware supports it. + */ + if (of_find_property(np, "opp-supported-hw", NULL)) + return false; + else + return true; + } while (count--) { ret = of_property_read_u32_index(np, "opp-supported-hw", count, |