diff options
Diffstat (limited to 'drivers/media/video/c-qcam.c')
| -rw-r--r-- | drivers/media/video/c-qcam.c | 7 |
1 files changed, 5 insertions, 2 deletions
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 <linux/videodev.h> #include <media/v4l2-common.h> #include <linux/mutex.h> +#include <linux/jiffies.h> #include <asm/uaccess.h> @@ -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; |