[ale] Two port serial board

[Calvin Harrigan]

On 11/12/2013 2:49 PM, Chris Fowler wrote:
> Today I received 10 2 port PCI serial boards in the mail. These use a
> standard 16C550 UART.
>
> I've used boards like this before, but this one does something I've not
> seen before.
>
> The kernel does not see any additional ttys.  I do not see ttyS2 and S3
> in dmesg output.   I looked at the CD and the "driver" is an
> executable.  I ran it and straced it.   I saw no attempts at writing
> anything.  I saw it open up PCI addresses in /sys and do a read from them.
>
> After this completed there was still not tty message in dmesg, but I
> could open ttyS2 and ttyS3.
>
> Anyone know what sorcery this is?
>
> Chris
>

My memory is cloudy, but don't you have to tell the kernel about serial 
ports that are not the standard com1->com4?