diff options
| -rw-r--r-- | drivers/regulator/core.c | 35 |
1 files changed, 18 insertions, 17 deletions
diff --git a/drivers/regulator/core.c b/drivers/regulator/core.c index c1a49917af2..1848a3f0980 100644 --- a/drivers/regulator/core.c +++ b/drivers/regulator/core.c @@ -676,6 +676,22 @@ static int machine_constraints_voltage(struct regulator_dev *rdev, const char *name, struct regulation_constraints *constraints) { struct regulator_ops *ops = rdev->desc->ops; + int ret; + + /* do we need to apply the constraint voltage */ + if (rdev->constraints->apply_uV && + rdev->constraints->min_uV == rdev->constraints->max_uV && + ops->set_voltage) { + ret = ops->set_voltage(rdev, + rdev->constraints->min_uV, rdev->constraints->max_uV); + if (ret < 0) { + printk(KERN_ERR "%s: failed to apply %duV constraint to %s\n", + __func__, + rdev->constraints->min_uV, name); + rdev->constraints = NULL; + return ret; + } + } /* constrain machine-level voltage specs to fit * the actual range supported by this regulator. @@ -773,27 +789,12 @@ static int set_machine_constraints(struct regulator_dev *rdev, else name = "regulator"; + rdev->constraints = constraints; + ret = machine_constraints_voltage(rdev, name, constraints); if (ret != 0) goto out; - rdev->constraints = constraints; - - /* do we need to apply the constraint voltage */ - if (rdev->constraints->apply_uV && - rdev->constraints->min_uV == rdev->constraints->max_uV && - ops->set_voltage) { - ret = ops->set_voltage(rdev, - rdev->constraints->min_uV, rdev->constraints->max_uV); - if (ret < 0) { - printk(KERN_ERR "%s: failed to apply %duV constraint to %s\n", - __func__, - rdev->constraints->min_uV, name); - rdev->constraints = NULL; - goto out; - } - } - /* do we need to setup our suspend state */ if (constraints->initial_state) { ret = suspend_prepare(rdev, constraints->initial_state); |