RE: [patch] PCI: disable MSI on more ATI NorthBridges

Shane Huang
2007-10-23T09:48:21Z

Hi David:

> I think this pretty much sums up the situation accurately.
>
> My suggestion is:
>
> 1) Leave the pci_intx() twiddling code in drivers/pci/msi.c
>
> 2) Add quirks for "INTX_DISABLE turns off MSI too", this sets
> a flag in the pci_dev.
>
> 3) The pci_intx() calls in drivers/pci/msi.c are skipped if this
> flag from #2 is set.
>
> 4) Add quirk entries for drivers/net/tg3.c chips and these SATA
> devices we are learning about here, as well as any others we
> are aware of right now.
>
> 5) Remove the pci_intx() workaround code from drivers/net/tg3.c
> and elsewhere.

This quirk seems good to me. Waiting for your final decision....

This SB700 SATA controller MSI/INTx problem has been reported to our
hardware team. I will forward the update information or response to
you when I get any from HW team.

Thanks
Shane