[PATCH] regulator: da9052: Convert to regulator core's simplified DT parsing code

From: Axel Lin
Date: Tue Mar 12 2019 - 11:47:58 EST


Use regulator core's simplified DT parsing code to simply the driver
implementation.

Signed-off-by: Axel Lin <axel.lin@xxxxxxxxxx>
Signed-off-by: Mark Brown <broonie@xxxxxxxxxx>
---
drivers/regulator/da9052-regulator.c | 33 +++++-----------------------
1 file changed, 6 insertions(+), 27 deletions(-)

diff --git a/drivers/regulator/da9052-regulator.c b/drivers/regulator/da9052-regulator.c
index cefa3558236d..98d486372b8c 100644
--- a/drivers/regulator/da9052-regulator.c
+++ b/drivers/regulator/da9052-regulator.c
@@ -294,6 +294,8 @@ static const struct regulator_ops da9052_ldo_ops = {
{\
.reg_desc = {\
.name = #_name,\
+ .of_match = of_match_ptr(#_name),\
+ .regulators_node = of_match_ptr("regulators"),\
.ops = &da9052_ldo_ops,\
.type = REGULATOR_VOLTAGE,\
.id = DA9052_ID_##_id,\
@@ -314,6 +316,8 @@ static const struct regulator_ops da9052_ldo_ops = {
{\
.reg_desc = {\
.name = #_name,\
+ .of_match = of_match_ptr(#_name),\
+ .regulators_node = of_match_ptr("regulators"),\
.ops = &da9052_dcdc_ops,\
.type = REGULATOR_VOLTAGE,\
.id = DA9052_ID_##_id,\
@@ -417,36 +421,11 @@ static int da9052_regulator_probe(struct platform_device *pdev)
return -EINVAL;
}

- config.dev = &pdev->dev;
+ config.dev = da9052->dev;
config.driver_data = regulator;
config.regmap = da9052->regmap;
- if (pdata) {
+ if (pdata)
config.init_data = pdata->regulators[cell->id];
- } else {
-#ifdef CONFIG_OF
- struct device_node *nproot = da9052->dev->of_node;
- struct device_node *np;
-
- if (!nproot)
- return -ENODEV;
-
- nproot = of_get_child_by_name(nproot, "regulators");
- if (!nproot)
- return -ENODEV;
-
- for_each_child_of_node(nproot, np) {
- if (of_node_name_eq(np,
- regulator->info->reg_desc.name)) {
- config.init_data = of_get_regulator_init_data(
- &pdev->dev, np,
- &regulator->info->reg_desc);
- config.of_node = np;
- break;
- }
- }
- of_node_put(nproot);
-#endif
- }

regulator->rdev = devm_regulator_register(&pdev->dev,
&regulator->info->reg_desc,
--
2.20.1