linux-kernel - [PATCH] media: tda8083: use time_after

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Message-Id: <1644481944-15001-1-git-send-email-wangqing@vivo.com>
Date:   Thu, 10 Feb 2022 00:32:24 -0800
From:   Qing Wang <wangqing@...o.com>
To:     Mauro Carvalho Chehab <mchehab@...nel.org>,
        linux-media@...r.kernel.org, linux-kernel@...r.kernel.org
Cc:     Wang Qing <wangqing@...o.com>
Subject: [PATCH] media: tda8083: use time_after_eq() instead of jiffies judgment

From: Wang Qing <wangqing@...o.com>

It is better to use time_xxx() directly instead of jiffies judgment
for understanding.

Signed-off-by: Wang Qing <wangqing@...o.com>
---
 drivers/media/dvb-frontends/tda8083.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/media/dvb-frontends/tda8083.c b/drivers/media/dvb-frontends/tda8083.c
index 5be11fd..49c4fe1
--- 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_before(jiffies, start + timeout) &&
 	       !(tda8083_readreg(state, 0x02) & 0x80))
 	{
 		msleep(50);
-- 
2.7.4