diff options
Diffstat (limited to 'drivers/opp/core.c')
| -rw-r--r-- | drivers/opp/core.c | 25 |
1 files changed, 12 insertions, 13 deletions
diff --git a/drivers/opp/core.c b/drivers/opp/core.c index cce1b59d7bca..c078c7dab6b2 100644 --- a/drivers/opp/core.c +++ b/drivers/opp/core.c @@ -737,12 +737,12 @@ static inline int _generic_set_opp_clk_only(struct device *dev, struct clk *clk, static int _generic_set_opp_regulator(struct opp_table *opp_table, struct device *dev, - unsigned long old_freq, + struct dev_pm_opp *opp, unsigned long freq, - struct dev_pm_opp_supply *old_supply, - struct dev_pm_opp_supply *new_supply) + int scaling_down) { struct regulator *reg = opp_table->regulators[0]; + struct dev_pm_opp *old_opp = opp_table->current_opp; int ret; /* This function only supports single regulator per device */ @@ -752,8 +752,8 @@ static int _generic_set_opp_regulator(struct opp_table *opp_table, } /* Scaling up? Scale voltage before frequency */ - if (freq >= old_freq) { - ret = _set_opp_voltage(dev, reg, new_supply); + if (!scaling_down) { + ret = _set_opp_voltage(dev, reg, opp->supplies); if (ret) goto restore_voltage; } @@ -764,8 +764,8 @@ static int _generic_set_opp_regulator(struct opp_table *opp_table, goto restore_voltage; /* Scaling down? Scale voltage after frequency */ - if (freq < old_freq) { - ret = _set_opp_voltage(dev, reg, new_supply); + if (scaling_down) { + ret = _set_opp_voltage(dev, reg, opp->supplies); if (ret) goto restore_freq; } @@ -783,12 +783,12 @@ static int _generic_set_opp_regulator(struct opp_table *opp_table, return 0; restore_freq: - if (_generic_set_opp_clk_only(dev, opp_table->clk, old_freq)) + if (_generic_set_opp_clk_only(dev, opp_table->clk, old_opp->rate)) dev_err(dev, "%s: failed to restore old-freq (%lu Hz)\n", - __func__, old_freq); + __func__, old_opp->rate); restore_voltage: /* This shouldn't harm even if the voltages weren't updated earlier */ - _set_opp_voltage(dev, reg, old_supply); + _set_opp_voltage(dev, reg, old_opp->supplies); return ret; } @@ -1041,9 +1041,8 @@ static int _set_opp(struct device *dev, struct opp_table *opp_table, ret = _set_opp_custom(opp_table, dev, old_freq, freq, old_opp->supplies, opp->supplies); } else if (opp_table->regulators) { - ret = _generic_set_opp_regulator(opp_table, dev, old_freq, freq, - old_opp->supplies, - opp->supplies); + ret = _generic_set_opp_regulator(opp_table, dev, opp, freq, + scaling_down); } else { /* Only frequency scaling */ ret = _generic_set_opp_clk_only(dev, opp_table->clk, freq); |