diff options
Diffstat (limited to 'drivers/opp/core.c')
| -rw-r--r-- | drivers/opp/core.c | 12 |
1 files changed, 9 insertions, 3 deletions
diff --git a/drivers/opp/core.c b/drivers/opp/core.c index 2d3d0d1180ea..23b086fcbf84 100644 --- a/drivers/opp/core.c +++ b/drivers/opp/core.c @@ -812,6 +812,9 @@ static struct opp_table *_allocate_opp_table(struct device *dev, int index) mutex_init(&opp_table->lock); INIT_LIST_HEAD(&opp_table->dev_list); + /* Mark regulator count uninitialized */ + opp_table->regulator_count = -1; + opp_dev = _add_opp_dev(dev, opp_table); if (!opp_dev) { kfree(opp_table); @@ -1028,7 +1031,7 @@ struct dev_pm_opp *_opp_allocate(struct opp_table *table) int count, supply_size; /* Allocate space for at least one supply */ - count = table->regulator_count ? table->regulator_count : 1; + count = table->regulator_count > 0 ? table->regulator_count : 1; supply_size = sizeof(*opp->supplies) * count; /* allocate new OPP node and supplies structures */ @@ -1433,7 +1436,7 @@ free_regulators: kfree(opp_table->regulators); opp_table->regulators = NULL; - opp_table->regulator_count = 0; + opp_table->regulator_count = -1; err: dev_pm_opp_put_opp_table(opp_table); @@ -1462,7 +1465,7 @@ void dev_pm_opp_put_regulators(struct opp_table *opp_table) kfree(opp_table->regulators); opp_table->regulators = NULL; - opp_table->regulator_count = 0; + opp_table->regulator_count = -1; put_opp_table: dev_pm_opp_put_opp_table(opp_table); @@ -1615,6 +1618,9 @@ int dev_pm_opp_add(struct device *dev, unsigned long freq, unsigned long u_volt) if (!opp_table) return -ENOMEM; + /* Fix regulator count for dynamic OPPs */ + opp_table->regulator_count = 1; + ret = _opp_add_v1(opp_table, dev, freq, u_volt, true); if (ret) dev_pm_opp_put_opp_table(opp_table); |