diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/regulator/core.c | 23 |
1 files changed, 19 insertions, 4 deletions
diff --git a/drivers/regulator/core.c b/drivers/regulator/core.c index 8258568c793a..a17ce6cbbe77 100644 --- a/drivers/regulator/core.c +++ b/drivers/regulator/core.c @@ -1536,6 +1536,7 @@ static int regulator_resolve_supply(struct regulator_dev *rdev) ret = regulator_enable(rdev->supply); if (ret < 0) { _regulator_put(rdev->supply); + rdev->supply = NULL; return ret; } } @@ -3840,6 +3841,16 @@ static void rdev_init_debugfs(struct regulator_dev *rdev) &rdev->bypass_count); } +static int regulator_register_resolve_supply(struct device *dev, void *data) +{ + struct regulator_dev *rdev = dev_to_rdev(dev); + + if (regulator_resolve_supply(rdev)) + rdev_dbg(rdev, "unable to resolve supply\n"); + + return 0; +} + /** * regulator_register - register regulator * @regulator_desc: regulator to register @@ -3987,8 +3998,11 @@ regulator_register(const struct regulator_desc *regulator_desc, } rdev_init_debugfs(rdev); -out: mutex_unlock(®ulator_list_mutex); + + /* try to resolve regulators supply since a new one was registered */ + class_for_each_device(®ulator_class, NULL, NULL, + regulator_register_resolve_supply); kfree(config); return rdev; @@ -3997,7 +4011,6 @@ unset_supplies: regulator_ena_gpio_free(rdev); device_unregister(&rdev->dev); /* device core frees rdev */ - rdev = ERR_PTR(ret); goto out; wash: @@ -4005,8 +4018,10 @@ wash: regulator_ena_gpio_free(rdev); clean: kfree(rdev); - rdev = ERR_PTR(ret); - goto out; +out: + mutex_unlock(®ulator_list_mutex); + kfree(config); + return ERR_PTR(ret); } EXPORT_SYMBOL_GPL(regulator_register); |