* [PATCH] input: serio: use time_after_eq() instead of jiffies judgment
@ 2022-02-10 8:30 Qing Wang
0 siblings, 0 replies; only message in thread
From: Qing Wang @ 2022-02-10 8:30 UTC (permalink / raw)
To: Dmitry Torokhov, linux-input, linux-kernel; +Cc: Wang Qing
From: Wang Qing <wangqing@vivo.com>
It is better to use time_xxx() directly instead of jiffies judgment
for understanding.
Signed-off-by: Wang Qing <wangqing@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_after(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_after(jiffies, old_jiffies + usecs_to_jiffies(100))) {
dev_err(drvdata->dev,
"TX: timeout, probably we missed an interrupt\n");
goto err;
--
2.7.4
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2022-02-10 8:30 [PATCH] input: serio: use time_after_eq() instead of jiffies judgment Qing Wang
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