return e100_enable_rs485(tty, &rs485data);
}
+ case TIOCGRS485:
+ {
+ struct serial_rs485 *rs485data =
+ &(((struct e100_serial *)tty->driver_data)->rs485);
+ /* This is the ioctl to get RS485 data from user-space */
+ if (copy_to_user((struct serial_rs485 *) arg,
+ rs485data,
+ sizeof(serial_rs485)))
+ return -EFAULT;
+ break;
+ }
case TIOCSERWRRS485:
{
* Check R_DMA_CHx_STATUS bit 0-6=number of available bytes in FIFO
* R_DMA_CHx_HWSW bit 31-16=nbr of bytes left in DMA buffer (0=64k)
*/
- lock_kernel();
orig_jiffies = jiffies;
while (info->xmit.head != info->xmit.tail || /* More in send queue */
(*info->ostatusadr & 0x007f) || /* more in FIFO */
curr_time_usec - info->last_tx_active_usec;
}
set_current_state(TASK_RUNNING);
- unlock_kernel();
}
/*
*/
if (tty_hung_up_p(filp) ||
(info->flags & ASYNC_CLOSING)) {
- wait_event_interruptible(info->close_wait,
+ wait_event_interruptible_tty(info->close_wait,
!(info->flags & ASYNC_CLOSING));
#ifdef SERIAL_DO_RESTART
if (info->flags & ASYNC_HUP_NOTIFY)
printk("block_til_ready blocking: ttyS%d, count = %d\n",
info->line, info->count);
#endif
+ tty_unlock();
schedule();
+ tty_lock();
}
set_current_state(TASK_RUNNING);
remove_wait_queue(&info->open_wait, &wait);
*/
if (tty_hung_up_p(filp) ||
(info->flags & ASYNC_CLOSING)) {
- wait_event_interruptible(info->close_wait,
+ wait_event_interruptible_tty(info->close_wait,
!(info->flags & ASYNC_CLOSING));
#ifdef SERIAL_DO_RESTART
return ((info->flags & ASYNC_HUP_NOTIFY) ?
INIT_WORK(&info->work, do_softint);
if (info->enabled) {
- printk(KERN_INFO "%s%d at 0x%x is a builtin UART with DMA\n",
- serial_driver->name, info->line, (unsigned int)info->ioport);
+ printk(KERN_INFO "%s%d at %p is a builtin UART with DMA\n",
+ serial_driver->name, info->line, info->ioport);
}
}
#ifdef CONFIG_ETRAX_FAST_TIMER