mfd: Remove redundant dev_set_drvdata() from I2C drivers

the i2c_set_clientdata() is the inline function which is complemented by
the dev_set_drvdata() internally. Do not need to use i2c_set_clientdata()
and dev_set_drvdata() at the same time.
Signed-off-by: Guiting Shen <aarongt.shen@gmail.com>
Reviewed-by: Johan Hovold <johan@kernel.org>
Reviewed-by: Charles Keepax <ckeepax@opensource.cirrus.com>
Signed-off-by: Lee Jones <lee@kernel.org>
Link: https://lore.kernel.org/r/20230425024526.6443-1-aarongt.shen@gmail.com

drivers/mfd/88pm80x.c

@@ -74,7 +74,6 @@ int pm80x_init(struct i2c_client *client)
 	chip->irq = client->irq;
 
 	chip->dev = &client->dev;
-	dev_set_drvdata(chip->dev, chip);
 	i2c_set_clientdata(chip->client, chip);
 
 	ret = regmap_read(chip->regmap, PM80X_CHIP_ID, &val);

drivers/mfd/88pm860x-core.c

@@ -1166,7 +1166,6 @@ static int pm860x_probe(struct i2c_client *client)
 	chip->client = client;
 	i2c_set_clientdata(client, chip);
 	chip->dev = &client->dev;
-	dev_set_drvdata(chip->dev, chip);
 
 	/*
 	 * Both client and companion client shares same platform driver.

drivers/mfd/aat2870-core.c

@@ -345,8 +345,6 @@ static int aat2870_i2c_probe(struct i2c_client *client)
 		return -ENOMEM;
 
 	aat2870->dev = &client->dev;
-	dev_set_drvdata(aat2870->dev, aat2870);
-
 	aat2870->client = client;
 	i2c_set_clientdata(client, aat2870);
 

drivers/mfd/lm3533-core.c

@@ -485,8 +485,6 @@ static int lm3533_device_init(struct lm3533 *lm3533)
 
 	lm3533->gpio_hwen = pdata->gpio_hwen;
 
-	dev_set_drvdata(lm3533->dev, lm3533);
-
 	if (gpio_is_valid(lm3533->gpio_hwen)) {
 		ret = devm_gpio_request_one(lm3533->dev, lm3533->gpio_hwen,
 					GPIOF_OUT_INIT_LOW, "lm3533-hwen");

drivers/mfd/max8907.c

@@ -201,8 +201,6 @@ static int max8907_i2c_probe(struct i2c_client *i2c)
 	}
 
 	max8907->dev = &i2c->dev;
-	dev_set_drvdata(max8907->dev, max8907);
-
 	max8907->i2c_gen = i2c;
 	i2c_set_clientdata(i2c, max8907);
 	max8907->regmap_gen = devm_regmap_init_i2c(i2c,

drivers/mfd/max8925-i2c.c

@@ -172,7 +172,6 @@ static int max8925_probe(struct i2c_client *client)
 	chip->i2c = client;
 	chip->dev = &client->dev;
 	i2c_set_clientdata(client, chip);
-	dev_set_drvdata(chip->dev, chip);
 	mutex_init(&chip->io_lock);
 
 	chip->rtc = i2c_new_dummy_device(chip->i2c->adapter, RTC_I2C_ADDR);

drivers/mfd/wm8400-core.c

@@ -54,8 +54,6 @@ static int wm8400_init(struct wm8400 *wm8400,
 	unsigned int reg;
 	int ret;
 
-	dev_set_drvdata(wm8400->dev, wm8400);
-
 	/* Check that this is actually a WM8400 */
 	ret = regmap_read(wm8400->regmap, WM8400_RESET_ID, &reg);
 	if (ret != 0) {

drivers/mfd/wm8994-core.c

@@ -320,8 +320,6 @@ static int wm8994_device_init(struct wm8994 *wm8994, int irq)
 	if (ret != 0)
 		return ret;
 
-	dev_set_drvdata(wm8994->dev, wm8994);
-
 	/* Add the on-chip regulators first for bootstrapping */
 	ret = mfd_add_devices(wm8994->dev, 0,
 			      wm8994_regulator_devs,