diff options
Diffstat (limited to 'drivers/media/video/c-qcam.c')
| -rw-r--r-- | drivers/media/video/c-qcam.c | 13 |
1 files changed, 9 insertions, 4 deletions
diff --git a/drivers/media/video/c-qcam.c b/drivers/media/video/c-qcam.c index cf1546b5a7f..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> @@ -69,7 +70,7 @@ struct qcam_device { static int parport[MAX_CAMS] = { [1 ... MAX_CAMS-1] = -1 }; static int probe = 2; -static int force_rgb = 0; +static int force_rgb; static int video_nr = -1; static inline void qcam_set_ack(struct qcam_device *qcam, unsigned int i) @@ -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; @@ -689,7 +692,9 @@ static const struct file_operations qcam_fops = { .open = video_exclusive_open, .release = video_exclusive_release, .ioctl = qcam_ioctl, +#ifdef CONFIG_COMPAT .compat_ioctl = v4l_compat_ioctl32, +#endif .read = qcam_read, .llseek = no_llseek, }; @@ -741,7 +746,7 @@ static struct qcam_device *qcam_init(struct parport *port) } static struct qcam_device *qcams[MAX_CAMS]; -static unsigned int num_cams = 0; +static unsigned int num_cams; static int init_cqcam(struct parport *port) { |