[PATCH v2 06/12] regulator/core: remove regulator_init callback

[Michał Mirosław]

There are no in-tree users. The only usage went away in 2019 in
8c44e448583c ("regulator: stpmic1: Simplify regulators registration").

Signed-off-by: Michał Mirosław <mirq-linux@xxxxxxxxxxxx>
---
 drivers/regulator/core.c          | 7 -------
 include/linux/regulator/machine.h | 7 ++-----
 2 files changed, 2 insertions(+), 12 deletions(-)

diff --git a/drivers/regulator/core.c b/drivers/regulator/core.c
index 4cb30e49c03d..be45983e1d23 100644
--- a/drivers/regulator/core.c
+++ b/drivers/regulator/core.c
@@ -5679,13 +5679,6 @@ regulator_register(struct device *dev,
 		resolved_early = true;
 	}
 
-	/* perform any regulator specific init */
-	if (init_data && init_data->regulator_init) {
-		ret = init_data->regulator_init(rdev->reg_data);
-		if (ret < 0)
-			goto wash;
-	}
-
 	if (config->ena_gpiod) {
 		ret = regulator_ena_gpio_request(rdev, config);
 		if (ret != 0) {
diff --git a/include/linux/regulator/machine.h b/include/linux/regulator/machine.h
index 0cd76d264727..7c39dbc33290 100644
--- a/include/linux/regulator/machine.h
+++ b/include/linux/regulator/machine.h
@@ -274,8 +274,7 @@ struct regulator_consumer_supply {
  * @num_consumer_supplies: Number of consumer device supplies.
  * @consumer_supplies: Consumer device supply configuration.
  *
- * @regulator_init: Callback invoked when the regulator has been registered.
- * @driver_data: Data passed to regulator_init.
+ * @driver_data: Pointer copied to regulator_dev.reg_data.
  */
 struct regulator_init_data {
 	const char *supply_regulator;        /* or NULL for system supply */
@@ -285,9 +284,7 @@ struct regulator_init_data {
 	int num_consumer_supplies;
 	struct regulator_consumer_supply *consumer_supplies;
 
-	/* optional regulator machine specific init */
-	int (*regulator_init)(void *driver_data);
-	void *driver_data;	/* core does not touch this */
+	void *driver_data;
 };
 
 #ifdef CONFIG_REGULATOR
-- 
2.39.2