diff options
Diffstat (limited to 'drivers/sbus/char/vfc_i2c.c')
| -rw-r--r-- | drivers/sbus/char/vfc_i2c.c | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/drivers/sbus/char/vfc_i2c.c b/drivers/sbus/char/vfc_i2c.c index 95e3cebf792c..1faf1e75f71f 100644 --- a/drivers/sbus/char/vfc_i2c.c +++ b/drivers/sbus/char/vfc_i2c.c @@ -88,14 +88,16 @@ void vfc_i2c_delay_wakeup(struct vfc_dev *dev) void vfc_i2c_delay_no_busy(struct vfc_dev *dev, unsigned long usecs) { + DEFINE_WAIT(wait); init_timer(&dev->poll_timer); - dev->poll_timer.expires = jiffies + - ((unsigned long)usecs*(HZ))/1000000; + dev->poll_timer.expires = jiffies + usecs_to_jiffies(usecs); dev->poll_timer.data=(unsigned long)dev; dev->poll_timer.function=(void *)(unsigned long)vfc_i2c_delay_wakeup; add_timer(&dev->poll_timer); - sleep_on(&dev->poll_wait); + prepare_to_wait(&dev->poll_wait, &wait, TASK_UNINTERRUPTIBLE); + schedule(); del_timer(&dev->poll_timer); + finish_wait(&dev->poll_wait, &wait); } void inline vfc_i2c_delay(struct vfc_dev *dev) |