media: stv0299: use time_is_before_jiffies() instead of open coding it

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

Signed-off-by: Wang Qing <wangqing@vivo.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
This commit is contained in:
Wang Qing
2022-02-14 17:55:47 -08:00
committed by Hans Verkuil
parent 1bcf233f1b
commit 0ce32a2ce3

View File

@@ -183,7 +183,7 @@ static int stv0299_wait_diseqc_fifo (struct stv0299_state* state, int timeout)
dprintk ("%s\n", __func__);
while (stv0299_readreg(state, 0x0a) & 1) {
if (jiffies - start > timeout) {
if (time_is_before_jiffies(start + timeout)) {
dprintk ("%s: timeout!!\n", __func__);
return -ETIMEDOUT;
}
@@ -200,7 +200,7 @@ static int stv0299_wait_diseqc_idle (struct stv0299_state* state, int timeout)
dprintk ("%s\n", __func__);
while ((stv0299_readreg(state, 0x0a) & 3) != 2 ) {
if (jiffies - start > timeout) {
if (time_is_before_jiffies(start + timeout)) {
dprintk ("%s: timeout!!\n", __func__);
return -ETIMEDOUT;
}