diff mbox series

[V3,10/13] media: stv0299: use time_is_before_jiffies() instead of open coding it

Message ID 1644890154-64915-11-git-send-email-wangqing@vivo.com (mailing list archive)
State Mainlined
Commit 0ce32a2ce347d70651d4089b1732003da7f19cc3
Headers show
Series None | expand

Commit Message

王擎 Feb. 15, 2022, 1:55 a.m. UTC 
From: Wang Qing <wangqing@vivo.com>

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

Signed-off-by: Wang Qing <wangqing@vivo.com>
---
 drivers/media/dvb-frontends/stv0299.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)
diff mbox series

Patch

diff --git a/drivers/media/dvb-frontends/stv0299.c b/drivers/media/dvb-frontends/stv0299.c
index 421395e..867ae04
--- a/drivers/media/dvb-frontends/stv0299.c
+++ b/drivers/media/dvb-frontends/stv0299.c
@@ -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;
 		}