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regulator: Changes for v5.14-rc1

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This adds regulator_sync_voltage_rdev(), which is used as a dependency
 for new Tegra power domain code.
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Merge tag 'for-5.14-regulator' of git://git.kernel.org/pub/scm/linux/kernel/git/tegra/linux into regulator-5.14

regulator: Changes for v5.14-rc1

This adds regulator_sync_voltage_rdev(), which is used as a dependency
for new Tegra power domain code.
This commit is contained in:
Mark Brown 2021-06-14 11:40:41 +01:00
commit 2bce8174f7
2 changed files with 24 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

23
drivers/regulator/core.c
View File

@ -4095,6 +4095,29 @@ int regulator_set_voltage_time_sel(struct regulator_dev *rdev,
}
EXPORT_SYMBOL_GPL(regulator_set_voltage_time_sel);
int regulator_sync_voltage_rdev(struct regulator_dev *rdev)
{
int ret;
regulator_lock(rdev);
if (!rdev->desc->ops->set_voltage &&
!rdev->desc->ops->set_voltage_sel) {
ret = -EINVAL;
goto out;
}
/* balance only, if regulator is coupled */
if (rdev->coupling_desc.n_coupled > 1)
ret = regulator_balance_voltage(rdev, PM_SUSPEND_ON);
else
ret = -EOPNOTSUPP;
out:
regulator_unlock(rdev);
return ret;
}
/**
* regulator_sync_voltage - re-apply last regulator output voltage
* @regulator: regulator source

1
include/linux/regulator/driver.h
View File

@ -540,6 +540,7 @@ int regulator_set_current_limit_regmap(struct regulator_dev *rdev,
int regulator_get_current_limit_regmap(struct regulator_dev *rdev);
void *regulator_get_init_drvdata(struct regulator_init_data *reg_init_data);
int regulator_set_ramp_delay_regmap(struct regulator_dev *rdev, int ramp_delay);
int regulator_sync_voltage_rdev(struct regulator_dev *rdev);
/*
* Helper functions intended to be used by regulator drivers prior registering