Re: [PATCH 02/12] Input: ad7879 - use managed devm_device_add_group
From: Dmitry Torokhov
Date: Fri Sep 29 2017 - 19:48:28 EST
On Sat, Sep 30, 2017 at 05:38:29AM +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: Michael Hennerich <michael.hennerich@xxxxxxxxxx>
> Signed-off-by: Andi Shyti <andi@xxxxxxxxxxx>
Applied, thank you.
> ---
> drivers/input/touchscreen/ad7879.c | 13 +------------
> 1 file changed, 1 insertion(+), 12 deletions(-)
>
> diff --git a/drivers/input/touchscreen/ad7879.c b/drivers/input/touchscreen/ad7879.c
> index 196028c45210..7d74a0ae2c94 100644
> --- a/drivers/input/touchscreen/ad7879.c
> +++ b/drivers/input/touchscreen/ad7879.c
> @@ -524,13 +524,6 @@ static int ad7879_parse_dt(struct device *dev, struct ad7879 *ts)
> return 0;
> }
>
> -static void ad7879_cleanup_sysfs(void *_ts)
> -{
> - struct ad7879 *ts = _ts;
> -
> - sysfs_remove_group(&ts->dev->kobj, &ad7879_attr_group);
> -}
> -
> int ad7879_probe(struct device *dev, struct regmap *regmap,
> int irq, u16 bustype, u8 devid)
> {
> @@ -658,11 +651,7 @@ int ad7879_probe(struct device *dev, struct regmap *regmap,
>
> __ad7879_disable(ts);
>
> - err = sysfs_create_group(&dev->kobj, &ad7879_attr_group);
> - if (err)
> - return err;
> -
> - err = devm_add_action_or_reset(dev, ad7879_cleanup_sysfs, ts);
> + err = devm_device_add_group(dev, &ad7879_attr_group);
> if (err)
> return err;
>
> --
> 2.14.2
>
--
Dmitry