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authorLinus Torvalds <torvalds@linux-foundation.org>2024-03-22 09:52:37 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2024-03-22 09:52:37 -0700
commit8c826bd99ad9463f0f7f43738ee880bc1667a050 (patch)
treef4196f1792f0a6208bc263382d4d57b1e2609a72
parent6b571e2676c8c2100c3395cdcb471c5ec6f8f98a (diff)
parente4ead3cdfd798092288f3a06b405cf98ded6fa10 (diff)
downloadlinux-8c826bd99ad9463f0f7f43738ee880bc1667a050.tar.gz
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
-rw-r--r--drivers/regulator/core.c11
1 files changed, 11 insertions, 0 deletions
diff --git a/drivers/regulator/core.c b/drivers/regulator/core.c
index d019ca6dee9bff..dabac9772741fa 100644
--- a/drivers/regulator/core.c
+++ b/drivers/regulator/core.c
@@ -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;