[RFC PATCH 6/7] hwmon: lm90: simplify using devm_regulator_get_enable()

From: Matti Vaittinen
Date: Wed Aug 10 2022 - 07:33:19 EST


Drop open-coded pattern: 'devm_regulator_get(), regulator_enable(),
add_action_or_reset(regulator_disable)' and use the
devm_regulator_get_enable().

Signed-off-by: Matti Vaittinen <mazziesaccount@xxxxxxxxx>
---
drivers/hwmon/lm90.c | 21 ++-------------------
1 file changed, 2 insertions(+), 19 deletions(-)

diff --git a/drivers/hwmon/lm90.c b/drivers/hwmon/lm90.c
index 3820f0e61510..2ab561ec367c 100644
--- a/drivers/hwmon/lm90.c
+++ b/drivers/hwmon/lm90.c
@@ -1848,12 +1848,6 @@ static void lm90_remove_pec(void *dev)
device_remove_file(dev, &dev_attr_pec);
}

-static void lm90_regulator_disable(void *regulator)
-{
- regulator_disable(regulator);
-}
-
-
static const struct hwmon_ops lm90_ops = {
.is_visible = lm90_is_visible,
.read = lm90_read,
@@ -1865,24 +1859,13 @@ static int lm90_probe(struct i2c_client *client)
struct device *dev = &client->dev;
struct i2c_adapter *adapter = client->adapter;
struct hwmon_channel_info *info;
- struct regulator *regulator;
struct device *hwmon_dev;
struct lm90_data *data;
int err;

- regulator = devm_regulator_get(dev, "vcc");
- if (IS_ERR(regulator))
- return PTR_ERR(regulator);
-
- err = regulator_enable(regulator);
- if (err < 0) {
- dev_err(dev, "Failed to enable regulator: %d\n", err);
- return err;
- }
-
- err = devm_add_action_or_reset(dev, lm90_regulator_disable, regulator);
+ err = devm_regulator_get_enable(dev, "vcc");
if (err)
- return err;
+ return dev_err_probe(dev, err, "Failed to enable regulator\n");

data = devm_kzalloc(dev, sizeof(struct lm90_data), GFP_KERNEL);
if (!data)
--
2.37.1


--
Matti Vaittinen, Linux device drivers
ROHM Semiconductors, Finland SWDC
Kiviharjunlenkki 1E
90220 OULU
FINLAND

~~~ "I don't think so," said Rene Descartes. Just then he vanished ~~~
Simon says - in Latin please.
~~~ "non cogito me" dixit Rene Descarte, deinde evanescavit ~~~
Thanks to Simon Glass for the translation =]

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