- From: frank mori hess <fmhess_at_students.uiuc.edu>
- Date: Fri, 26 Jul 2002 16:35:59 -0500 (CDT)
On Fri, 26 Jul 2002, David Schleef wrote: > On Fri, Jul 26, 2002 at 12:44:33PM -0500, frank mori hess wrote: > > Now that you mention it, it seems like we could tweak a few lines so that > > comedi allows sharing of RT irqs between devices that are all supported > > by comedi (such as came up when Ivan had a couple pcidas-1200 cards > > sharing an interurpt), since comedi could set them all to RT priority > > together. > > Or just allow the user to disable the check. As I may have mentioned > before, this check fails on my PowerBook, since a PCMCIA card shares an > interrupt with the PCMCIA controller, which only gets an interrupt > when a card is inserted/removed. And since there's only one slot, > there's never a conflict that doesn't have more serious implications. > One bug I see right now with the RT version of comedi_request_irq is that shared irqs will overwrite each other in the comedi_irqs[] array, since it is indexed by irq. It looks like comedi_irqs[] will have to be changed into a linked list? Frank
Received on 2002-07-26Z20:35:59