On Thu, 1 Apr 2010, Alex Deucher wrote:
>
> Clemems' "PCI quirk: RS780/RS880: disable MSI completely" patch is the
> right approach I think. Note that it's only devices hung off the int
> gfx pci to pci bridge that have broken MSI (gfx and audio). MSI works
> fine on the PCIE slots. I have a similar patch for rs400 chips on bug
> 15626:
> https://bugzilla.kernel.org/show_bug.cgi?id=15626
Hmm. Does 'pci_msi_enable' only cover regular PCI devices? Or will that
pci_no_msi() quirk disable MSI for PCIE too? I think it will trigger for
PCIE drivers too.
Put another way: it sounds like the quirk now disables MSI for all
devices. Maybe there would some more targeted mode?
Linus
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