From 168c626cb8f85df17585af99e14403904641c7ac Mon Sep 17 00:00:00 2001 From: Julia Lawall Date: Wed, 16 Apr 2008 16:13:15 -0300 Subject: V4L/DVB (7591): drivers/media/video: use time_before, time_before_eq, etc The functions time_before, time_before_eq, time_after, and time_after_eq are more robust for comparing jiffies against other values. A simplified version of the semantic patch making this change is as follows: (http://www.emn.fr/x-info/coccinelle/) // @ change_compare_np @ expression E; @@ ( - jiffies <= E + time_before_eq(jiffies,E) | - jiffies >= E + time_after_eq(jiffies,E) | - jiffies < E + time_before(jiffies,E) | - jiffies > E + time_after(jiffies,E) ) @ include depends on change_compare_np @ @@ @ no_include depends on !include && change_compare_np @ @@ #include + #include // Signed-off-by: Julia Lawall Signed-off-by: Andrew Morton Signed-off-by: Hans Verkuil Signed-off-by: Mauro Carvalho Chehab --- drivers/media/video/c-qcam.c | 7 +++++-- 1 file changed, 5 insertions(+), 2 deletions(-) (limited to 'drivers/media/video/c-qcam.c') diff --git a/drivers/media/video/c-qcam.c b/drivers/media/video/c-qcam.c index 2c85ced6115..fe1e67bb1ca 100644 --- a/drivers/media/video/c-qcam.c +++ b/drivers/media/video/c-qcam.c @@ -36,6 +36,7 @@ #include #include #include +#include #include @@ -95,7 +96,8 @@ static unsigned int qcam_await_ready1(struct qcam_device *qcam, unsigned long oldjiffies = jiffies; unsigned int i; - for (oldjiffies = jiffies; (jiffies - oldjiffies) < msecs_to_jiffies(40); ) + for (oldjiffies = jiffies; + time_before(jiffies, oldjiffies + msecs_to_jiffies(40)); ) if (qcam_ready1(qcam) == value) return 0; @@ -120,7 +122,8 @@ static unsigned int qcam_await_ready2(struct qcam_device *qcam, int value) unsigned long oldjiffies = jiffies; unsigned int i; - for (oldjiffies = jiffies; (jiffies - oldjiffies) < msecs_to_jiffies(40); ) + for (oldjiffies = jiffies; + time_before(jiffies, oldjiffies + msecs_to_jiffies(40)); ) if (qcam_ready2(qcam) == value) return 0; -- cgit v1.2.3