Re: [2.6.13-rc3-git4] VIA686A polymorphs into VIA586!

[Giancarlo Formicuccia <giancarlo.formicuccia@gmail.com>]

Aleksey Gorelov wrote:
> >This patch brings my board back to the correct behaviour
> >[Aleksey Gorelov CC'd for review/comments/suggestions]:
> >
> >--- linux-2.6.13-git4/arch/i386/pci/irq.c.org	2005-07-23
> >11:15:12.000000000 +0200
> >+++ linux-2.6.13-git4/arch/i386/pci/irq.c	2005-07-23
> >11:55:50.000000000 +0200
> >@@ -553,10 +553,12 @@
> > 	switch(device)
> > 	{
> > 		case PCI_DEVICE_ID_VIA_82C586_0:
> >-			r->name = "VIA";
> >-			r->get = pirq_via586_get;
> >-			r->set = pirq_via586_set;
> >-			return 1;
> >+			if (router->device==PCI_DEVICE_ID_VIA_82C586_0) {
> >+				r->name = "VIA";
> >+				r->get = pirq_via586_get;
> >+				r->set = pirq_via586_set;
> >+				return 1;
> >+			}
> > 		case PCI_DEVICE_ID_VIA_82C596:
> > 		case PCI_DEVICE_ID_VIA_82C686:
> > 		case PCI_DEVICE_ID_VIA_8231:
>
> Probably, comments on buggy BIOS would be nice here..
>

Does this patch look good for you?
Who's the right developer to ask for inclusion? I'd like to see this problem addressed before 2.6.13...

Thanks,
Giancarlo


--- linux-2.6.13-git4/arch/i386/pci/irq.c.org	2005-07-23 11:15:12.000000000 +0200
+++ linux-2.6.13-git4/arch/i386/pci/irq.c	2005-07-26 20:53:11.000000000 +0200
@@ -550,6 +550,13 @@
 static __init int via_router_probe(struct irq_router *r, struct pci_dev *router, u16 device)
 {
 	/* FIXME: We should move some of the quirk fixup stuff here */
+
+	if (router->device == PCI_DEVICE_ID_VIA_82C686 &&
+			device == PCI_DEVICE_ID_VIA_82C586_0) {
+		/* Asus k7m bios wrongly reports 82C686A as 586-compatible */
+		device = PCI_DEVICE_ID_VIA_82C686;
+	}
+
 	switch(device)
 	{
 		case PCI_DEVICE_ID_VIA_82C586_0:
-
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