regulator: more OF node reference fixes

Here's a second set of fixes for drivers that reuse OF nodes.

Johan

Johan Hovold (3):
regulator: max77650: fix OF node reference imbalance
regulator: mt6357: fix OF node reference imbalance
regulator: s2dos05: fix OF node reference imbalance

 drivers/regulator/max77650-regulator.c | 2 +-
 drivers/regulator/mt6357-regulator.c   | 2 +-
 drivers/regulator/s2dos05-regulator.c  | 2 +-
 3 files changed, 3 insertions(+), 3 deletions(-)

2.52.0

The driver reuses the OF node of the parent multi-function device but fails to take another reference to balance the one dropped by the platform bus code when unbinding the MFD and deregistering the child devices.

Fix this by using the intended helper for reusing OF nodes.

---
 drivers/regulator/max77650-regulator.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

index a809264c77fc..11b04a13f889 100644
@@ -337,7 +337,7 @@ static int max77650_regulator_probe(struct platform_device *pdev)
 	parent = dev->parent;
 
 	if (!dev->of_node)
-		dev->of_node = parent->of_node;
+		device_set_of_node_from_dev(dev, parent);
 
 	rdescs = devm_kcalloc(dev, MAX77650_REGULATOR_NUM_REGULATORS,
 			      sizeof(*rdescs), GFP_KERNEL);

2.52.0

The driver reuses the OF node of the parent multi-function device but fails to take another reference to balance the one dropped by the platform bus code when unbinding the MFD and deregistering the child devices.

Fix this by using the intended helper for reusing OF nodes.

---
 drivers/regulator/mt6357-regulator.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

index 1eb69c7a6acb..09feb454ab6b 100644
@@ -410,7 +410,7 @@ static int mt6357_regulator_probe(struct platform_device *pdev)
 	struct regulator_dev *rdev;
 	int i;
 
-	pdev->dev.of_node = pdev->dev.parent->of_node;
+	device_set_of_node_from_dev(&pdev->dev, pdev->dev.parent);
 
 	for (i = 0; i < MT6357_MAX_REGULATOR; i++) {
 		config.dev = &pdev->dev;

2.52.0

The driver reuses the OF node of the parent multi-function device but fails to take another reference to balance the one dropped by the platform bus code when unbinding the MFD and deregistering the child devices.

Fix this by using the intended helper for reusing OF nodes.

---
 drivers/regulator/s2dos05-regulator.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

index 1463585c4565..a1c394ddbaff 100644
@@ -126,7 +126,7 @@ static int s2dos05_pmic_probe(struct platform_device *pdev)
 	s2dos05->regmap = iodev->regmap_pmic;
 	s2dos05->dev = dev;
 	if (!dev->of_node)
-		dev->of_node = dev->parent->of_node;
+		device_set_of_node_from_dev(dev, dev->parent);
 
 	config.dev = dev;
 	config.driver_data = s2dos05;

2.52.0