Re: New line discipline flag to prevent userland open/close of the device

[Thor Lancelot Simon <tls%panix.com@localhost>]

On Sun, Oct 29, 2017 at 12:47:26PM +0100, Martin Husemann wrote:
> While analyzing PR port-sparc64/52622 I ran into the following issue.
> 
> On some sun hardware, the com0 device is used to connect an old style keyboard,
> and com1 is used for mouse. On other sparc64 machines, com0/com1 are regular
> serial ports and keyboard/mouse is USB attached.

pmax does something similar (though it's a different serial controller,
basically a DZ11 on a chip) -- look at what it does?

Thor