From: Wang Qing <wangqing@xxxxxxxx> It is better to use time_xxx() directly instead of jiffies judgment for understanding. Signed-off-by: Wang Qing <wangqing@xxxxxxxx> --- 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 -- dm-devel mailing list dm-devel@xxxxxxxxxx https://listman.redhat.com/mailman/listinfo/dm-devel