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thermal: of: improve of-thermal sensor registration API

Browse source 
Different drivers request API extensions in of-thermal. For this reason,
additional callbacks are required to fit the new drivers needs.

The current API implementation expects the registering sensor driver
to provide a get_temp and get_trend callbacks as function parameters.
As the amount of callbacks is growing, this patch changes the existing
implementation to use a .ops field to hold all the of thermal callbacks
to sensor drivers.

This patch also changes the existing of-thermal users to fit the new
API design. No functional change is introduced in this patch.

Cc: Alexandre Courbot <[email protected]>
Cc: [email protected]
Cc: Grant Likely <[email protected]>
Cc: Guenter Roeck <[email protected]>
Cc: Jean Delvare <[email protected]>
Cc: [email protected]
Cc: [email protected]
Cc: [email protected]
Cc: [email protected]
Cc: Rob Herring <[email protected]>
Cc: Stephen Warren <[email protected]>
Cc: Thierry Reding <[email protected]>
Cc: Zhang Rui <[email protected]>
Acked-by: Guenter Roeck <[email protected]>
Tested-by: Mikko Perttunen <[email protected]>
Reviewed-by: Mikko Perttunen <[email protected]>
Reviewed-by: Alexandre Courbot <[email protected]>
Reviewed-by: Lukasz Majewski <[email protected]>
Signed-off-by: Eduardo Valentin <[email protected]>
This commit is contained in:
Eduardo Valentin 2014-11-07 21:24:39 -04:00
commit 2251aef64a
7 changed files with 62 additions and 37 deletions
Download patch file Download diff file Expand all files Collapse all files

9
drivers/hwmon/lm75.c
View file

@ -176,6 +176,10 @@ static struct attribute *lm75_attrs[] = {
};
ATTRIBUTE_GROUPS(lm75);
static const struct thermal_zone_of_device_ops lm75_of_thermal_ops = {
.get_temp = lm75_read_temp,
};
/*-----------------------------------------------------------------------*/
/* device probe and removal */
@ -291,10 +295,9 @@ lm75_probe(struct i2c_client *client, const struct i2c_device_id *id)
if (IS_ERR(data->hwmon_dev))
return PTR_ERR(data->hwmon_dev);
data->tz = thermal_zone_of_sensor_register(data->hwmon_dev,
0,
data->tz = thermal_zone_of_sensor_register(data->hwmon_dev, 0,
data->hwmon_dev,
lm75_read_temp, NULL);
&lm75_of_thermal_ops);
if (IS_ERR(data->tz))
data->tz = NULL;

6
drivers/hwmon/ntc_thermistor.c
View file

@ -486,6 +486,10 @@ static const struct attribute_group ntc_attr_group = {
.attrs = ntc_attributes,
};
static const struct thermal_zone_of_device_ops ntc_of_thermal_ops = {
.get_temp = ntc_read_temp,
};
static int ntc_thermistor_probe(struct platform_device *pdev)
{
const struct of_device_id *of_id =
@ -579,7 +583,7 @@ static int ntc_thermistor_probe(struct platform_device *pdev)
pdev_id->name);
data->tz = thermal_zone_of_sensor_register(data->dev, 0, data->dev,
ntc_read_temp, NULL);
&ntc_of_thermal_ops);
if (IS_ERR(data->tz)) {
dev_dbg(&pdev->dev, "Failed to register to thermal fw.\n");
data->tz = NULL;

6
drivers/hwmon/tmp102.c
View file

@ -158,6 +158,10 @@ ATTRIBUTE_GROUPS(tmp102);
#define TMP102_CONFIG (TMP102_CONF_TM | TMP102_CONF_EM | TMP102_CONF_CR1)
#define TMP102_CONFIG_RD_ONLY (TMP102_CONF_R0 | TMP102_CONF_R1 | TMP102_CONF_AL)
static const struct thermal_zone_of_device_ops tmp102_of_thermal_ops = {
.get_temp = tmp102_read_temp,
};
static int tmp102_probe(struct i2c_client *client,
const struct i2c_device_id *id)
{
@ -215,7 +219,7 @@ static int tmp102_probe(struct i2c_client *client,
}
tmp102->hwmon_dev = hwmon_dev;
tmp102->tz = thermal_zone_of_sensor_register(hwmon_dev, 0, hwmon_dev,
tmp102_read_temp, NULL);
&tmp102_of_thermal_ops);
if (IS_ERR(tmp102->tz))
tmp102->tz = NULL;