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regulator: Fix for v6.9 

One fix that came in during the merge window, fixing a problem with
 bootstrapping the state of exclusive regulators which have a parent
 regulator.
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Merge tag 'regulator-fix-v6.9-merge-window' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator

Pull regulator fix from Mark Brown:
 "One fix that came in during the merge window, fixing a problem with
  bootstrapping the state of exclusive regulators which have a parent
  regulator"

* tag 'regulator-fix-v6.9-merge-window' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator:
  regulator: core: Propagate the regulator state in case of exclusive get
This commit is contained in:
Linus Torvalds 2024-03-22 09:52:37 -07:00
parent 6b571e2676 e4ead3cdfd
commit 8c826bd99a
1 changed files with 11 additions and 0 deletions
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11
drivers/regulator/core.c
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@ -2274,6 +2274,17 @@ struct regulator *_regulator_get(struct device *dev, const char *id,
if (ret > 0) {
rdev->use_count = 1;
regulator->enable_count = 1;
/* Propagate the regulator state to its supply */
if (rdev->supply) {
ret = regulator_enable(rdev->supply);
if (ret < 0) {
destroy_regulator(regulator);
module_put(rdev->owner);
put_device(&rdev->dev);
return ERR_PTR(ret);
}
}
} else {
rdev->use_count = 0;
regulator->enable_count = 0;