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

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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
1 changed files with 2 additions and 2 deletions
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4
drivers/media/dvb-frontends/stv0299.c
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@ -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;
}