Re: zs serial and interrupt sensitivity

[David Riley <fraveydank%gmail.com@localhost>]

On May 3, 2011, at 9:43 PM, David Riley wrote:

> I would be surprised if it's responsible for USB, at least, since USB is 
> almost always implemented in PCI (where pretty much everything is 
> level-sensitive).  For oddball hardware like the original iMac, though, it 
> might be a bit different.  wdc_obio.c, for one, tries to determine from OF if 
> the interrupt is edge or level triggered, but my knowledge of OF interrupt 
> designations is pretty spotty, so I assume it's probably doing it right.

Addendum to the above: of course, I'd love to hear from people with oddball 
hardware that gives them grief.  I need to see if my parents still have their 
old Rev B iMac with the busted screen; that'll give me something to really fix 
up. :-)


- Dave