Re: [PATCH] input: gpio-keys: Convert timers to use timer_setup()

From: Dmitry Torokhov
Date: Mon Oct 23 2017 - 17:51:07 EST


Hi Stephen,

On Mon, Oct 23, 2017 at 04:21:51PM +0800, stephen lu wrote:
> In preparation for unconditionally passing the struct timer_list pointer to
> all timer callbacks, switch to using the new timer_setup() and from_timer()
> to pass the timer pointer explicitly.
>
> Signed-off-by: Stephen Lu <lumotuwe@xxxxxxxxx>
>
> ---
> drivers/input/keyboard/gpio_keys.c | 6 ++++--
> 1 file changed, 4 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/input/keyboard/gpio_keys.c
> b/drivers/input/keyboard/gpio_keys.c
> index e9f0ebf..25ddc33 100644
> --- a/drivers/input/keyboard/gpio_keys.c
> +++ b/drivers/input/keyboard/gpio_keys.c
> @@ -419,9 +419,9 @@ static irqreturn_t gpio_keys_gpio_isr(int irq, void *dev_id)
> return IRQ_HANDLED;
> }
>
> -static void gpio_keys_irq_timer(unsigned long _data)
> +static void gpio_keys_irq_timer(struct timer_list *t)
> {
> - struct gpio_button_data *bdata = (struct gpio_button_data *)_data;
> + struct gpio_button_data *bdata = from_timer(bdata, t, release_timer);
> struct input_dev *input = bdata->input;
> unsigned long flags;
>
> @@ -584,6 +584,8 @@ static int gpio_keys_setup_key(struct platform_device *pdev,
> bdata->release_delay = button->debounce_interval;
> setup_timer(&bdata->release_timer,
> gpio_keys_irq_timer, (unsigned long)bdata);
> + timer_setup(&bdata->release_timer,
> + gpio_keys_irq_timer, 0);

Why are you keeping the original call to setup_timer()?

Also, your patch was line-wrapped, with tabs converted to spaces. I
fixed this all up, but please make sure you do not send mangled patches
next time. Look into git send-email.

Thanks.

--
Dmitry