spin_lock_irqsave(get_ccwdev_lock(ch->cdev), saveflags);
rc = ccw_device_start(ch->cdev, &ch->ccw[6], (unsigned long) ch, 0xff, 0);
if (event == CH_EVENT_TIMER)
spin_lock_irqsave(get_ccwdev_lock(ch->cdev), saveflags);
rc = ccw_device_start(ch->cdev, &ch->ccw[6], (unsigned long) ch, 0xff, 0);
if (event == CH_EVENT_TIMER)