swizzling pci irqs

Kumar Gala galak at kernel.crashing.org
Thu Mar 23 09:28:52 EST 2006

On Mar 22, 2006, at 2:59 PM, David Updegraff wrote:

> Hi.
> If there were a noswizzle option to the kernel command line that
> resulted in pci scan simply trusting that the bootrom/u-boot had  
> already
> correctly assigned the PCI irqs....  every tom,dick,harry, and
> yours-truly wouldn't have to make a new platform to define the
> swizzle-o-the-day.  Or have I already missed this argument?

Sure, I do this now.  Just don't build pci_auto into your pci support  
and don't explicitly rescan in your pci setup.  The 83xx pci code  
under arch/powerpc should effective do this.

- kumar

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