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hwmon: use simple i2c probe function (take 2)

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Many hwmon drivers don't use the id information provided by the old
i2c probe function, and the remainder can easily be adapted to the new
form ("probe_new") by calling i2c_match_id explicitly.

This avoids scanning the identifier tables during probes.

Drivers which didn't use the id are converted as-is; drivers which did
are modified to call i2c_match_id() with the same level of
error-handling (if any) as before.

This patch wraps up the transition for hwmon, with four stragglers not
included in the previous large patch.

Signed-off-by: Stephen Kitt <steve@sk2.org>
Link: https://lore.kernel.org/r/20200821160354.594715-1-steve@sk2.org
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
This commit is contained in:
Stephen Kitt 2020-08-21 18:03:54 +02:00 committed by Guenter Roeck
parent c1e60c0d57
commit 673afe4661
4 changed files with 14 additions and 13 deletions
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5
drivers/hwmon/adc128d818.c
View File

@ -427,8 +427,7 @@ static int adc128_init_client(struct adc128_data *data)
return 0;
}
static int adc128_probe(struct i2c_client *client,
const struct i2c_device_id *id)
static int adc128_probe(struct i2c_client *client)
{
struct device *dev = &client->dev;
struct regulator *regulator;
@ -524,7 +523,7 @@ static struct i2c_driver adc128_driver = {
.name = "adc128d818",
.of_match_table = of_match_ptr(adc128_of_match),
},
.probe = adc128_probe,
.probe_new = adc128_probe,
.remove = adc128_remove,
.id_table = adc128_id,
.detect = adc128_detect,

9
drivers/hwmon/ads7828.c
View File

@ -99,8 +99,9 @@ static const struct regmap_config ads2830_regmap_config = {
.val_bits = 8,
};
static int ads7828_probe(struct i2c_client *client,
const struct i2c_device_id *id)
static const struct i2c_device_id ads7828_device_ids[];
static int ads7828_probe(struct i2c_client *client)
{
struct device *dev = &client->dev;
struct ads7828_platform_data *pdata = dev_get_platdata(dev);
@ -141,7 +142,7 @@ static int ads7828_probe(struct i2c_client *client,
chip = (enum ads7828_chips)
of_device_get_match_data(&client->dev);
else
chip = id->driver_data;
chip = i2c_match_id(ads7828_device_ids, client)->driver_data;
/* Bound Vref with min/max values */
vref_mv = clamp_val(vref_mv, ADS7828_EXT_VREF_MV_MIN,
@ -207,7 +208,7 @@ static struct i2c_driver ads7828_driver = {
},
.id_table = ads7828_device_ids,
.probe = ads7828_probe,
.probe_new = ads7828_probe,
};
module_i2c_driver(ads7828_driver);

4
drivers/hwmon/lm87.c
View File

@ -912,7 +912,7 @@ static int lm87_init_client(struct i2c_client *client)
return 0;
}
static int lm87_probe(struct i2c_client *client, const struct i2c_device_id *id)
static int lm87_probe(struct i2c_client *client)
{
struct lm87_data *data;
struct device *hwmon_dev;
@ -994,7 +994,7 @@ static struct i2c_driver lm87_driver = {
.name = "lm87",
.of_match_table = lm87_of_match,
},
.probe = lm87_probe,
.probe_new = lm87_probe,
.id_table = lm87_id,
.detect = lm87_detect,
.address_list = normal_i2c,

9
drivers/hwmon/w83795.c
View File

@ -2134,8 +2134,9 @@ static void w83795_apply_temp_config(struct w83795_data *data, u8 config,
}
}
static int w83795_probe(struct i2c_client *client,
const struct i2c_device_id *id)
static const struct i2c_device_id w83795_id[];
static int w83795_probe(struct i2c_client *client)
{
int i;
u8 tmp;
@ -2148,7 +2149,7 @@ static int w83795_probe(struct i2c_client *client,
return -ENOMEM;
i2c_set_clientdata(client, data);
data->chip_type = id->driver_data;
data->chip_type = i2c_match_id(w83795_id, client)->driver_data;
data->bank = i2c_smbus_read_byte_data(client, W83795_REG_BANKSEL);
mutex_init(&data->update_lock);
@ -2256,7 +2257,7 @@ static struct i2c_driver w83795_driver = {
.driver = {
.name = "w83795",
},
.probe = w83795_probe,
.probe_new = w83795_probe,
.remove = w83795_remove,
.id_table = w83795_id,