media: tda8083: use time_is_after_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>

diff --git a/drivers/media/dvb-frontends/tda8083.c b/drivers/media/dvb-frontends/tda8083.c
index 5be11fd..e3e1c3d 100644 (file)
--- a/drivers/media/dvb-frontends/tda8083.c
+++ b/drivers/media/dvb-frontends/tda8083.c
@@ -162,7 +162,7 @@ static void tda8083_wait_diseqc_fifo (struct tda8083_state* state, int timeout)
 {
        unsigned long start = jiffies;
 
-       while (jiffies - start < timeout &&
+       while (time_is_after_jiffies(start + timeout) &&
               !(tda8083_readreg(state, 0x02) & 0x80))
        {
                msleep(50);