Re: [PATCH 04/12] Input: atmel_mxt_ts - use managed devm_device_add_group

From: Dmitry Torokhov
Date: Fri Sep 29 2017 - 19:46:10 EST


On Sat, Sep 30, 2017 at 05:38:31AM +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.
>
> CC: Nick Dyer <nick@xxxxxxxxxxxxx>
> Signed-off-by: Andi Shyti <andi@xxxxxxxxxxx>
> ---
> drivers/input/touchscreen/atmel_mxt_ts.c | 3 +--
> 1 file changed, 1 insertion(+), 2 deletions(-)
>
> diff --git a/drivers/input/touchscreen/atmel_mxt_ts.c b/drivers/input/touchscreen/atmel_mxt_ts.c
> index 7659bc48f1db..e5968f136f08 100644
> --- a/drivers/input/touchscreen/atmel_mxt_ts.c
> +++ b/drivers/input/touchscreen/atmel_mxt_ts.c
> @@ -3170,7 +3170,7 @@ static int mxt_probe(struct i2c_client *client, const struct i2c_device_id *id)
> if (error)
> return error;
>
> - error = sysfs_create_group(&client->dev.kobj, &mxt_attr_group);
> + error = devm_device_add_group(&client->dev, &mxt_attr_group);
> if (error) {
> dev_err(&client->dev, "Failure %d creating sysfs group\n",
> error);
> @@ -3190,7 +3190,6 @@ static int mxt_remove(struct i2c_client *client)
> struct mxt_data *data = i2c_get_clientdata(client);
>
> disable_irq(data->irq);
> - sysfs_remove_group(&client->dev.kobj, &mxt_attr_group);

Wrong ordering.

> mxt_free_input_device(data);
> mxt_free_object_table(data);
>
> --
> 2.14.2
>

--
Dmitry