[PATCH 6/7] regulator: core: Lock dependent regulators on regulator_enable()
From: Maciej Purski
Date: Mon Jun 04 2018 - 10:00:54 EST
Since regulator_enable() might now call regulator_balance_voltage(),
it should also lock its coupled regulators and suppliers.
Signed-off-by: Maciej Purski <m.purski@xxxxxxxxxxx>
---
drivers/regulator/core.c | 12 ++++++------
1 file changed, 6 insertions(+), 6 deletions(-)
diff --git a/drivers/regulator/core.c b/drivers/regulator/core.c
index 7c57268..2a7ffb7 100644
--- a/drivers/regulator/core.c
+++ b/drivers/regulator/core.c
@@ -2305,9 +2305,9 @@ int regulator_enable(struct regulator *regulator)
return ret;
}
- regulator_lock(rdev);
+ regulator_lock_dependent(rdev);
ret = _regulator_enable(rdev);
- regulator_unlock(rdev);
+ regulator_unlock_dependent(rdev);
if (ret != 0 && rdev->supply)
regulator_disable(rdev->supply);
@@ -2415,9 +2415,9 @@ int regulator_disable(struct regulator *regulator)
if (regulator->always_on)
return 0;
- regulator_lock(rdev);
+ regulator_lock_dependent(rdev);
ret = _regulator_disable(rdev);
- regulator_unlock(rdev);
+ regulator_unlock_dependent(rdev);
if (ret == 0 && rdev->supply)
regulator_disable(rdev->supply);
@@ -2467,10 +2467,10 @@ int regulator_force_disable(struct regulator *regulator)
struct regulator_dev *rdev = regulator->rdev;
int ret;
- regulator_lock(rdev);
+ regulator_lock_dependent(rdev);
regulator->uA_load = 0;
ret = _regulator_force_disable(regulator->rdev);
- regulator_unlock(rdev);
+ regulator_unlock_dependent(rdev);
if (rdev->supply)
while (rdev->open_count--)
--
2.7.4