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

[Qing Wang]

From: Wang Qing <wangqing at vivo.com>

Use the helper function time_is_{before,after}_jiffies() to improve
code readability.

Signed-off-by: Wang Qing <wangqing at vivo.com>
---
 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