diff options
Diffstat (limited to 'drivers/regulator/core.c')
-rw-r--r-- | drivers/regulator/core.c | 44 |
1 files changed, 29 insertions, 15 deletions
diff --git a/drivers/regulator/core.c b/drivers/regulator/core.c index 6ed568b96c0e..bb1324f93143 100644 --- a/drivers/regulator/core.c +++ b/drivers/regulator/core.c @@ -1740,6 +1740,8 @@ struct regulator *_regulator_get(struct device *dev, const char *id, rdev->use_count = 0; } + device_link_add(dev, &rdev->dev, DL_FLAG_STATELESS); + return regulator; } @@ -1829,9 +1831,21 @@ static void _regulator_put(struct regulator *regulator) debugfs_remove_recursive(regulator->debugfs); - /* remove any sysfs entries */ - if (regulator->dev) + if (regulator->dev) { + int count = 0; + struct regulator *r; + + list_for_each_entry(r, &rdev->consumer_list, list) + if (r->dev == regulator->dev) + count++; + + if (count == 1) + device_link_remove(regulator->dev, &rdev->dev); + + /* remove any sysfs entries */ sysfs_remove_link(&rdev->dev.kobj, regulator->supply_name); + } + regulator_lock(rdev); list_del(®ulator->list); @@ -4441,7 +4455,7 @@ void regulator_unregister(struct regulator_dev *rdev) EXPORT_SYMBOL_GPL(regulator_unregister); #ifdef CONFIG_SUSPEND -static int _regulator_suspend_late(struct device *dev, void *data) +static int _regulator_suspend(struct device *dev, void *data) { struct regulator_dev *rdev = dev_to_rdev(dev); suspend_state_t *state = data; @@ -4455,20 +4469,20 @@ static int _regulator_suspend_late(struct device *dev, void *data) } /** - * regulator_suspend_late - prepare regulators for system wide suspend + * regulator_suspend - prepare regulators for system wide suspend * @state: system suspend state * * Configure each regulator with it's suspend operating parameters for state. */ -static int regulator_suspend_late(struct device *dev) +static int regulator_suspend(struct device *dev) { suspend_state_t state = pm_suspend_target_state; return class_for_each_device(®ulator_class, NULL, &state, - _regulator_suspend_late); + _regulator_suspend); } -static int _regulator_resume_early(struct device *dev, void *data) +static int _regulator_resume(struct device *dev, void *data) { int ret = 0; struct regulator_dev *rdev = dev_to_rdev(dev); @@ -4481,35 +4495,35 @@ static int _regulator_resume_early(struct device *dev, void *data) regulator_lock(rdev); - if (rdev->desc->ops->resume_early && + if (rdev->desc->ops->resume && (rstate->enabled == ENABLE_IN_SUSPEND || rstate->enabled == DISABLE_IN_SUSPEND)) - ret = rdev->desc->ops->resume_early(rdev); + ret = rdev->desc->ops->resume(rdev); regulator_unlock(rdev); return ret; } -static int regulator_resume_early(struct device *dev) +static int regulator_resume(struct device *dev) { suspend_state_t state = pm_suspend_target_state; return class_for_each_device(®ulator_class, NULL, &state, - _regulator_resume_early); + _regulator_resume); } #else /* !CONFIG_SUSPEND */ -#define regulator_suspend_late NULL -#define regulator_resume_early NULL +#define regulator_suspend NULL +#define regulator_resume NULL #endif /* !CONFIG_SUSPEND */ #ifdef CONFIG_PM static const struct dev_pm_ops __maybe_unused regulator_pm_ops = { - .suspend_late = regulator_suspend_late, - .resume_early = regulator_resume_early, + .suspend = regulator_suspend, + .resume = regulator_resume, }; #endif |