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SubjectRe: [PATCH] hwmon: use simple i2c probe function
On Fri, Aug 21, 2020 at 06:03:54PM +0200, Stephen Kitt wrote:
> 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>

Applied.

Thanks,
Guenter

> ---
> drivers/hwmon/adc128d818.c | 5 ++---
> drivers/hwmon/ads7828.c | 9 +++++----
> drivers/hwmon/lm87.c | 4 ++--
> drivers/hwmon/w83795.c | 9 +++++----
> 4 files changed, 14 insertions(+), 13 deletions(-)
>
> diff --git a/drivers/hwmon/adc128d818.c b/drivers/hwmon/adc128d818.c
> index f9edec195c35..80511d316845 100644
> --- a/drivers/hwmon/adc128d818.c
> +++ b/drivers/hwmon/adc128d818.c
> @@ -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,
> diff --git a/drivers/hwmon/ads7828.c b/drivers/hwmon/ads7828.c
> index d895b73fde6f..7246198f0901 100644
> --- a/drivers/hwmon/ads7828.c
> +++ b/drivers/hwmon/ads7828.c
> @@ -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);
> diff --git a/drivers/hwmon/lm87.c b/drivers/hwmon/lm87.c
> index ad501ac4a594..24cb8a1c3381 100644
> --- a/drivers/hwmon/lm87.c
> +++ b/drivers/hwmon/lm87.c
> @@ -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,
> diff --git a/drivers/hwmon/w83795.c b/drivers/hwmon/w83795.c
> index 44f68b965aec..9cff2e399f1d 100644
> --- a/drivers/hwmon/w83795.c
> +++ b/drivers/hwmon/w83795.c
> @@ -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,
>

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