redonkable/alistair23-linux
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Merge remote-tracking branch 'regulator/topic/constraints' into regulator-next

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This commit is contained in:
Mark Brown 2014-06-02 17:08:01 +01:00
parent 277b1be9d4 064d5cd110
commit dc49f3d5eb
1 changed files with 23 additions and 10 deletions
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25
drivers/regulator/core.c
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@ -844,15 +844,24 @@ static int machine_constraints_voltage(struct regulator_dev *rdev,
/* do we need to apply the constraint voltage */
if (rdev->constraints->apply_uV &&
rdev->constraints->min_uV == rdev->constraints->max_uV) {
ret = _regulator_do_set_voltage(rdev,
rdev->constraints->min_uV,
int current_uV = _regulator_get_voltage(rdev);
if (current_uV < 0) {
rdev_err(rdev, "failed to get the current voltage\n");
return current_uV;
}
if (current_uV < rdev->constraints->min_uV ||
current_uV > rdev->constraints->max_uV) {
ret = _regulator_do_set_voltage(
rdev, rdev->constraints->min_uV,
rdev->constraints->max_uV);
if (ret < 0) {
rdev_err(rdev, "failed to apply %duV constraint\n",
rdev_err(rdev,
"failed to apply %duV constraint\n",
rdev->constraints->min_uV);
return ret;
}
}
}
/* constrain machine-level voltage specs to fit
* the actual range supported by this regulator.
@ -3819,8 +3828,9 @@ static int __init regulator_init_complete(void)
mutex_lock(&regulator_list_mutex);
/* If we have a full configuration then disable any regulators
* which are not in use or always_on. This will become the
* default behaviour in the future.
* we have permission to change the status for and which are
* not in use or always_on. This is effectively the default
* for DT and ACPI as they have full constraints.
*/
list_for_each_entry(rdev, &regulator_list, list) {
ops = rdev->desc->ops;
@ -3829,6 +3839,9 @@ static int __init regulator_init_complete(void)
if (c && c->always_on)
continue;
if (c && !(c->valid_ops_mask & REGULATOR_CHANGE_STATUS))
continue;
mutex_lock(&rdev->mutex);
if (rdev->use_count)
@ -3867,4 +3880,4 @@ unlock:
return 0;
}
late_initcall(regulator_init_complete);
late_initcall_sync(regulator_init_complete);