> I now wonder if we can not just turn the ldisc into a bus. So we have a ldisc > bus that exposes devices that have no business of having a userspace > /dev/ttyX exposed. And our Bluetooth UART support just turns into a ldisc > driver on the ldisc bus.
The ldisc and tty have the wrong object lifetime for a bus, but you can put the tty_port objects onto the bus, and it is those you need to instantiate the stack. The port exists for hardware lifetime, the tty and ldisc exist only while the port is "up". Alan
