[PATCH v2 1/1] power: supply: max8997_charger: Switch to new binding

From: Timon Baetz
Date: Mon Mar 29 2021 - 10:39:09 EST


Get regulator from parent device's node and extcon by name.

Signed-off-by: Timon Baetz <timon.baetz@xxxxxxxxxxxxxx>
Reviewed-by: Krzysztof Kozlowski <krzk@xxxxxxxxxx>
---
drivers/power/supply/max8997_charger.c | 12 ++++++++----
1 file changed, 8 insertions(+), 4 deletions(-)

diff --git a/drivers/power/supply/max8997_charger.c b/drivers/power/supply/max8997_charger.c
index a90c01884026..25207fe2aa68 100644
--- a/drivers/power/supply/max8997_charger.c
+++ b/drivers/power/supply/max8997_charger.c
@@ -168,6 +168,7 @@ static int max8997_battery_probe(struct platform_device *pdev)
int ret = 0;
struct charger_data *charger;
struct max8997_dev *iodev = dev_get_drvdata(pdev->dev.parent);
+ struct device_node *np = pdev->dev.of_node;
struct i2c_client *i2c = iodev->i2c;
struct max8997_platform_data *pdata = iodev->pdata;
struct power_supply_config psy_cfg = {};
@@ -237,20 +238,23 @@ static int max8997_battery_probe(struct platform_device *pdev)
return PTR_ERR(charger->battery);
}

+ // grab regulator from parent device's node
+ pdev->dev.of_node = iodev->dev->of_node;
charger->reg = devm_regulator_get_optional(&pdev->dev, "charger");
+ pdev->dev.of_node = np;
if (IS_ERR(charger->reg)) {
if (PTR_ERR(charger->reg) == -EPROBE_DEFER)
return -EPROBE_DEFER;
dev_info(&pdev->dev, "couldn't get charger regulator\n");
}
- charger->edev = extcon_get_edev_by_phandle(&pdev->dev, 0);
- if (IS_ERR(charger->edev)) {
- if (PTR_ERR(charger->edev) == -EPROBE_DEFER)
+ charger->edev = extcon_get_extcon_dev("max8997-muic");
+ if (IS_ERR_OR_NULL(charger->edev)) {
+ if (!charger->edev)
return -EPROBE_DEFER;
dev_info(charger->dev, "couldn't get extcon device\n");
}

- if (!IS_ERR(charger->reg) && !IS_ERR(charger->edev)) {
+ if (!IS_ERR(charger->reg) && !IS_ERR_OR_NULL(charger->edev)) {
INIT_WORK(&charger->extcon_work, max8997_battery_extcon_evt_worker);
ret = devm_add_action(&pdev->dev, max8997_battery_extcon_evt_stop_work, charger);
if (ret) {
--
2.25.1