Re: [PATCH] HID: i2c-hid: goodix: Use the devm variant of regulator_register_notifier()

From: Jiri Kosina
Date: Wed Jul 28 2021 - 05:49:15 EST


On Tue, 20 Jul 2021, Douglas Anderson wrote:

> In commit 18eeef46d359 ("HID: i2c-hid: goodix: Tie the reset line to
> true state of the regulator") I added a call to
> regulator_register_notifier() but no call to unregister. That's a
> bug. Let's use the devm variant to handle the unregistering.
>
> Fixes: 18eeef46d359 ("HID: i2c-hid: goodix: Tie the reset line to true state of the regulator")
> Signed-off-by: Douglas Anderson <dianders@xxxxxxxxxxxx>
> ---
>
> drivers/hid/i2c-hid/i2c-hid-of-goodix.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/hid/i2c-hid/i2c-hid-of-goodix.c b/drivers/hid/i2c-hid/i2c-hid-of-goodix.c
> index 31a4c229fdb7..52674149a275 100644
> --- a/drivers/hid/i2c-hid/i2c-hid-of-goodix.c
> +++ b/drivers/hid/i2c-hid/i2c-hid-of-goodix.c
> @@ -132,7 +132,7 @@ static int i2c_hid_of_goodix_probe(struct i2c_client *client,
> */
> mutex_lock(&ihid_goodix->regulator_mutex);
> ihid_goodix->nb.notifier_call = ihid_goodix_vdd_notify;
> - ret = regulator_register_notifier(ihid_goodix->vdd, &ihid_goodix->nb);
> + ret = devm_regulator_register_notifier(ihid_goodix->vdd, &ihid_goodix->nb);
> if (ret) {
> mutex_unlock(&ihid_goodix->regulator_mutex);
> return dev_err_probe(&client->dev, ret,

Applied, thanks Doug.

--
Jiri Kosina
SUSE Labs