diff options
Diffstat (limited to 'drivers/regulator/core.c')
| -rw-r--r-- | drivers/regulator/core.c | 19 |
1 files changed, 13 insertions, 6 deletions
diff --git a/drivers/regulator/core.c b/drivers/regulator/core.c index 01f7702a805..98c3a74e994 100644 --- a/drivers/regulator/core.c +++ b/drivers/regulator/core.c @@ -540,8 +540,8 @@ static void drms_uA_update(struct regulator_dev *rdev) err = regulator_check_drms(rdev); if (err < 0 || !rdev->desc->ops->get_optimum_mode || - !rdev->desc->ops->get_voltage || !rdev->desc->ops->set_mode); - return; + !rdev->desc->ops->get_voltage || !rdev->desc->ops->set_mode) + return; /* get output voltage */ output_uV = rdev->desc->ops->get_voltage(rdev); @@ -703,10 +703,13 @@ static int set_machine_constraints(struct regulator_dev *rdev, int cmin = constraints->min_uV; int cmax = constraints->max_uV; - /* it's safe to autoconfigure fixed-voltage supplies */ + /* it's safe to autoconfigure fixed-voltage supplies + and the constraints are used by list_voltage. */ if (count == 1 && !cmin) { - cmin = INT_MIN; + cmin = 1; cmax = INT_MAX; + constraints->min_uV = cmin; + constraints->max_uV = cmax; } /* voltage constraints are optional */ @@ -2001,8 +2004,8 @@ struct regulator_dev *regulator_register(struct regulator_desc *regulator_desc, if (regulator_desc->name == NULL || regulator_desc->ops == NULL) return ERR_PTR(-EINVAL); - if (!regulator_desc->type == REGULATOR_VOLTAGE && - !regulator_desc->type == REGULATOR_CURRENT) + if (regulator_desc->type != REGULATOR_VOLTAGE && + regulator_desc->type != REGULATOR_CURRENT) return ERR_PTR(-EINVAL); if (!init_data) @@ -2080,6 +2083,10 @@ out: scrub: device_unregister(&rdev->dev); + /* device core frees rdev */ + rdev = ERR_PTR(ret); + goto out; + clean: kfree(rdev); rdev = ERR_PTR(ret); |