From: Jonathan Cameron <Jonathan.Cameron@xxxxxxxxxx> This driver only turns the power on at probe and off via a custom devm_add_action_or_reset() callback. The new devm_regulator_get_enable() replaces this boilerplate code. Signed-off-by: Jonathan Cameron <Jonathan.Cameron@xxxxxxxxxx> Cc: Lorenzo Bianconi <lorenzo@xxxxxxxxxx> --- drivers/iio/humidity/hts221.h | 2 -- drivers/iio/humidity/hts221_core.c | 27 ++++----------------------- 2 files changed, 4 insertions(+), 25 deletions(-) diff --git a/drivers/iio/humidity/hts221.h b/drivers/iio/humidity/hts221.h index cf3d8d2dccd6..721359e226cb 100644 --- a/drivers/iio/humidity/hts221.h +++ b/drivers/iio/humidity/hts221.h @@ -13,7 +13,6 @@ #define HTS221_DEV_NAME "hts221" #include <linux/iio/iio.h> -#include <linux/regulator/consumer.h> enum hts221_sensor_type { HTS221_SENSOR_H, @@ -30,7 +29,6 @@ struct hts221_hw { const char *name; struct device *dev; struct regmap *regmap; - struct regulator *vdd; struct iio_trigger *trig; int irq; diff --git a/drivers/iio/humidity/hts221_core.c b/drivers/iio/humidity/hts221_core.c index 517158307d8c..2a413da87b76 100644 --- a/drivers/iio/humidity/hts221_core.c +++ b/drivers/iio/humidity/hts221_core.c @@ -14,6 +14,7 @@ #include <linux/delay.h> #include <linux/pm.h> #include <linux/regmap.h> +#include <linux/regulator/consumer.h> #include <linux/bitfield.h> #include "hts221.h" @@ -549,33 +550,17 @@ static const unsigned long hts221_scan_masks[] = {0x3, 0x0}; static int hts221_init_regulators(struct device *dev) { - struct iio_dev *iio_dev = dev_get_drvdata(dev); - struct hts221_hw *hw = iio_priv(iio_dev); int err; - hw->vdd = devm_regulator_get(dev, "vdd"); - if (IS_ERR(hw->vdd)) - return dev_err_probe(dev, PTR_ERR(hw->vdd), - "failed to get vdd regulator\n"); - - err = regulator_enable(hw->vdd); - if (err) { - dev_err(dev, "failed to enable vdd regulator: %d\n", err); - return err; - } + err = devm_regulator_get_enable(dev, "vdd"); + if (err) + return dev_err_probe(dev, err, "failed to get vdd regulator\n"); msleep(50); return 0; } -static void hts221_chip_uninit(void *data) -{ - struct hts221_hw *hw = data; - - regulator_disable(hw->vdd); -} - int hts221_probe(struct device *dev, int irq, const char *name, struct regmap *regmap) { @@ -600,10 +585,6 @@ int hts221_probe(struct device *dev, int irq, const char *name, if (err) return err; - err = devm_add_action_or_reset(dev, hts221_chip_uninit, hw); - if (err) - return err; - err = hts221_check_whoami(hw); if (err < 0) return err; -- 2.37.2