Re: [PATCH 2/5] input: twl6040-vibra: add handler to unregister input if module is removed

From: Dmitry Torokhov
Date: Mon Apr 18 2016 - 17:13:08 EST


On Mon, Apr 18, 2016 at 09:55:38PM +0200, H. Nikolaus Schaller wrote:
> commit 1f9e1470ab34 ("Input: twl6040-vibra - use devm functions")
>
> converted everything to devm but we still need to call
> input_unregister_device(info->input_dev)

No, this is not needed, because devm-managed input devices will be
unregistered automatically.

>
> Solution: add back twl6040_vibra_remove to call input_unregister_device
>
> Signed-off-by: H. Nikolaus Schaller <hns@xxxxxxxxxxxxx>
> ---
> drivers/input/misc/twl6040-vibra.c | 10 ++++++++++
> 1 file changed, 10 insertions(+)
>
> diff --git a/drivers/input/misc/twl6040-vibra.c b/drivers/input/misc/twl6040-vibra.c
> index 7221a00..1e9902d 100644
> --- a/drivers/input/misc/twl6040-vibra.c
> +++ b/drivers/input/misc/twl6040-vibra.c
> @@ -384,8 +384,18 @@ static int twl6040_vibra_probe(struct platform_device *pdev)
> return 0;
> }
>
> +static int twl6040_vibra_remove(struct platform_device *pdev)
> +{
> + struct vibra_info *info = platform_get_drvdata(pdev);
> +
> + input_unregister_device(info->input_dev);
> +
> + return 0;
> + }
> +
> static struct platform_driver twl6040_vibra_driver = {
> .probe = twl6040_vibra_probe,
> + .remove = twl6040_vibra_remove,
> .driver = {
> .name = "twl6040-vibra",
> .pm = &twl6040_vibra_pm_ops,
> --
> 2.7.3
>

Thanks.

--
Dmitry