Re: [PATCH 03/13] hwmon: convert tmp102 to use devm_thermal_zone_of_sensor_register

From: Guenter Roeck
Date: Wed Mar 09 2016 - 22:20:36 EST


On 03/09/2016 01:35 PM, Eduardo Valentin wrote:
This changes the driver to use the devm_ version
of thermal_zone_of_sensor_register and cleans
up the local points and unregister calls.

Cc: Jean Delvare <jdelvare@xxxxxxxx>
Cc: Guenter Roeck <linux@xxxxxxxxxxxx>
Cc: lm-sensors@xxxxxxxxxxxxxx
Cc: linux-kernel@xxxxxxxxxxxxxxx
Signed-off-by: Eduardo Valentin <edubezval@xxxxxxxxx>

Acked-by: Guenter Roeck <linux@xxxxxxxxxxxx>

---
drivers/hwmon/tmp102.c | 8 ++------
1 file changed, 2 insertions(+), 6 deletions(-)

diff --git a/drivers/hwmon/tmp102.c b/drivers/hwmon/tmp102.c
index 5289aa0..f1e96fd 100644
--- a/drivers/hwmon/tmp102.c
+++ b/drivers/hwmon/tmp102.c
@@ -53,7 +53,6 @@
struct tmp102 {
struct i2c_client *client;
struct device *hwmon_dev;
- struct thermal_zone_device *tz;
struct mutex lock;
u16 config_orig;
unsigned long last_update;
@@ -232,10 +231,8 @@ static int tmp102_probe(struct i2c_client *client,
goto fail_restore_config;
}
tmp102->hwmon_dev = hwmon_dev;
- tmp102->tz = thermal_zone_of_sensor_register(hwmon_dev, 0, hwmon_dev,
- &tmp102_of_thermal_ops);
- if (IS_ERR(tmp102->tz))
- tmp102->tz = NULL;
+ devm_thermal_zone_of_sensor_register(hwmon_dev, 0, hwmon_dev,
+ &tmp102_of_thermal_ops);

dev_info(dev, "initialized\n");

@@ -251,7 +248,6 @@ static int tmp102_remove(struct i2c_client *client)
{
struct tmp102 *tmp102 = i2c_get_clientdata(client);

- thermal_zone_of_sensor_unregister(tmp102->hwmon_dev, tmp102->tz);
hwmon_device_unregister(tmp102->hwmon_dev);

/* Stop monitoring if device was stopped originally */