Re: [PATCH V3 6/13] input: serio: use time_is_before_jiffies() instead of open coding it

[Benjamin Tissoires]

On Tue, Feb 15, 2022 at 2:57 AM Qing Wang <wangqing@xxxxxxxx> wrote:
>
> From: Wang Qing <wangqing@xxxxxxxx>
>
> Use the helper function time_is_{before,after}_jiffies() to improve
> code readability.
>
> Signed-off-by: Wang Qing <wangqing@xxxxxxxx>
> ---

Reviewed-by: Benjamin Tissoires <benjamin.tissoires@xxxxxxxxxx>

Cheers,
Benjamin

>  drivers/input/serio/ps2-gpio.c | 4 ++--
>  1 file changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/input/serio/ps2-gpio.c b/drivers/input/serio/ps2-gpio.c
> index 8970b49..7834296
> --- a/drivers/input/serio/ps2-gpio.c
> +++ b/drivers/input/serio/ps2-gpio.c
> @@ -136,7 +136,7 @@ static irqreturn_t ps2_gpio_irq_rx(struct ps2_gpio_data *drvdata)
>         if (old_jiffies == 0)
>                 old_jiffies = jiffies;
>
> -       if ((jiffies - old_jiffies) > usecs_to_jiffies(100)) {
> +       if (time_is_before_jiffies(old_jiffies + usecs_to_jiffies(100))) {
>                 dev_err(drvdata->dev,
>                         "RX: timeout, probably we missed an interrupt\n");
>                 goto err;
> @@ -237,7 +237,7 @@ static irqreturn_t ps2_gpio_irq_tx(struct ps2_gpio_data *drvdata)
>         if (old_jiffies == 0)
>                 old_jiffies = jiffies;
>
> -       if ((jiffies - old_jiffies) > usecs_to_jiffies(100)) {
> +       if (time_is_before_jiffies(old_jiffies + usecs_to_jiffies(100))) {
>                 dev_err(drvdata->dev,
>                         "TX: timeout, probably we missed an interrupt\n");
>                 goto err;
> --
> 2.7.4
>