Re: IDEDMA problems.

[Rogier Wolff]

mlord wrote:
> 
> Rogier Wolff wrote:
> > Add:
> >         /* This is for x86. Do other architectures use this device? */
> >         #define MAX_IRQ 15
> >         if (pciirq > MAX_IRQ) {
> >                 printk ("Warning: Your bios gave your IDE chip IRQ%d which is invalid.\n", pciirq);
> >                 pciirq = 0;
> >         }
> 
> Thanks for the suggestion, but the fix I've submitted is even simpler,
> we'll just not bother asking the BIOS for the pciirq, and instead just
> probe for it regardless -- the way we always used to do it until 2.1.68.

In more-and-more complex systems, it becomes more-and-more likely that
the probes go wrong: it becomes likely that some other device
accidently happens to interrupt while you're triggering the IDE device
to interrupt. 

				Roger.

> -- 
> [e-mail]
> The Linux IDE guy
> 
> 

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