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
