diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/regulator/core.c | 14 | ||||
| -rw-r--r-- | drivers/regulator/dummy.c | 6 | ||||
| -rw-r--r-- | drivers/regulator/pfuze100-regulator.c | 2 | ||||
| -rw-r--r-- | drivers/regulator/s2mps11.c | 4 |
4 files changed, 22 insertions, 4 deletions
diff --git a/drivers/regulator/core.c b/drivers/regulator/core.c index afca1bc24f26..bac485acc7f3 100644 --- a/drivers/regulator/core.c +++ b/drivers/regulator/core.c @@ -2399,6 +2399,7 @@ int regulator_set_voltage(struct regulator *regulator, int min_uV, int max_uV) struct regulator_dev *rdev = regulator->rdev; int ret = 0; int old_min_uV, old_max_uV; + int current_uV; mutex_lock(&rdev->mutex); @@ -2409,6 +2410,19 @@ int regulator_set_voltage(struct regulator *regulator, int min_uV, int max_uV) if (regulator->min_uV == min_uV && regulator->max_uV == max_uV) goto out; + /* If we're trying to set a range that overlaps the current voltage, + * return succesfully even though the regulator does not support + * changing the voltage. + */ + if (!(rdev->constraints->valid_ops_mask & REGULATOR_CHANGE_VOLTAGE)) { + current_uV = _regulator_get_voltage(rdev); + if (min_uV <= current_uV && current_uV <= max_uV) { + regulator->min_uV = min_uV; + regulator->max_uV = max_uV; + goto out; + } + } + /* sanity check */ if (!rdev->desc->ops->set_voltage && !rdev->desc->ops->set_voltage_sel) { diff --git a/drivers/regulator/dummy.c b/drivers/regulator/dummy.c index df9f42524abb..2436db9e2ca3 100644 --- a/drivers/regulator/dummy.c +++ b/drivers/regulator/dummy.c @@ -25,7 +25,11 @@ struct regulator_dev *dummy_regulator_rdev; -static struct regulator_init_data dummy_initdata; +static struct regulator_init_data dummy_initdata = { + .constraints = { + .always_on = 1, + }, +}; static struct regulator_ops dummy_ops; diff --git a/drivers/regulator/pfuze100-regulator.c b/drivers/regulator/pfuze100-regulator.c index ab174f20ca11..b699d4e7acc5 100644 --- a/drivers/regulator/pfuze100-regulator.c +++ b/drivers/regulator/pfuze100-regulator.c @@ -92,7 +92,7 @@ MODULE_DEVICE_TABLE(of, pfuze_dt_ids); static int pfuze100_set_ramp_delay(struct regulator_dev *rdev, int ramp_delay) { struct pfuze_chip *pfuze100 = rdev_get_drvdata(rdev); - int id = rdev->desc->id; + int id = rdev_get_id(rdev); unsigned int ramp_bits; int ret; diff --git a/drivers/regulator/s2mps11.c b/drivers/regulator/s2mps11.c index cd0b9e35a56d..89966213315c 100644 --- a/drivers/regulator/s2mps11.c +++ b/drivers/regulator/s2mps11.c @@ -65,7 +65,7 @@ static int s2mps11_regulator_set_voltage_time_sel(struct regulator_dev *rdev, unsigned int ramp_delay = 0; int old_volt, new_volt; - switch (rdev->desc->id) { + switch (rdev_get_id(rdev)) { case S2MPS11_BUCK2: ramp_delay = s2mps11->ramp_delay2; break; @@ -105,7 +105,7 @@ static int s2mps11_set_ramp_delay(struct regulator_dev *rdev, int ramp_delay) unsigned int ramp_enable = 1, enable_shift = 0; int ret; - switch (rdev->desc->id) { + switch (rdev_get_id(rdev)) { case S2MPS11_BUCK1: if (ramp_delay > s2mps11->ramp_delay16) s2mps11->ramp_delay16 = ramp_delay; |