Re: oskit driver for i8042 keyboard controller

[Thomas Bushnell, BSG]

Roland McGrath <roland@gnu.org> writes:

> In oskit-mach, we only probe on demand in device lookup, so you'd have to
> insert an early oskit_bus_probe (osenv_rootbus_getbus ()); call to see
> anything from oskit_dump_devices.

This is an interesting strategy.  Long ago, I recall there being
devices on a Vax that you couldn't reliably probe this way, because
the bus could hang for several seconds during the probe for various
reasons.  

It also prevents the auto-detection of interrupt number, doesn't it?
You'd have to turn off all other interrupts, and tickle the device.