Re: [PATCH 08/12] Input: melfas_mip4 - use managed devm_device_add_group
From: Dmitry Torokhov
Date: Fri Sep 29 2017 - 19:38:54 EST
On Sat, Sep 30, 2017 at 05:38:35AM +0900, Andi Shyti wrote:
> Commit 57b8ff070f98 ("driver core: add devm_device_add_group()
> and friends") has added the the managed version for creating
> sysfs group files.
>
> Use devm_device_add_group instead of sysfs_create_group and
> remove the action that cleans the sysfs file when exiting the
> driver.
>
> CC: Sangwon Jee <jeesw@xxxxxxxxxx>
> Signed-off-by: Andi Shyti <andi@xxxxxxxxxxx>
Applied, thank you.
> ---
> drivers/input/touchscreen/melfas_mip4.c | 17 +----------------
> 1 file changed, 1 insertion(+), 16 deletions(-)
>
> diff --git a/drivers/input/touchscreen/melfas_mip4.c b/drivers/input/touchscreen/melfas_mip4.c
> index 05108c2fea93..6892f0e28918 100644
> --- a/drivers/input/touchscreen/melfas_mip4.c
> +++ b/drivers/input/touchscreen/melfas_mip4.c
> @@ -1433,13 +1433,6 @@ static const struct attribute_group mip4_attr_group = {
> .attrs = mip4_attrs,
> };
>
> -static void mip4_sysfs_remove(void *_data)
> -{
> - struct mip4_ts *ts = _data;
> -
> - sysfs_remove_group(&ts->client->dev.kobj, &mip4_attr_group);
> -}
> -
> static int mip4_probe(struct i2c_client *client, const struct i2c_device_id *id)
> {
> struct mip4_ts *ts;
> @@ -1535,21 +1528,13 @@ static int mip4_probe(struct i2c_client *client, const struct i2c_device_id *id)
> return error;
> }
>
> - error = sysfs_create_group(&client->dev.kobj, &mip4_attr_group);
> + error = devm_device_add_group(&client->dev, &mip4_attr_group);
> if (error) {
> dev_err(&client->dev,
> "Failed to create sysfs attribute group: %d\n", error);
> return error;
> }
>
> - error = devm_add_action(&client->dev, mip4_sysfs_remove, ts);
> - if (error) {
> - mip4_sysfs_remove(ts);
> - dev_err(&client->dev,
> - "Failed to install sysfs remoce action: %d\n", error);
> - return error;
> - }
> -
> return 0;
> }
>
> --
> 2.14.2
>
--
Dmitry