Re: PCI device problem - MMCONFIG, cannot allocate resource region, resource collisions

From: Ivan Kokshaysky
Date: Thu May 24 2007 - 06:09:37 EST


On Wed, May 23, 2007 at 08:10:54PM -0700, Jesse Barnes wrote:
> > +/* Give unknown D-Link network adapters a proper class */
> > +static void __devinit quirk_dlink_unknown(struct pci_dev *dev)
> > +{
> > + if (dev->class = PCI_CLASS_UNKNOWN)
>
> Err, == of course. Obviously I didn't test this. :)

Actually, it should be something like this (also untested).

Ivan.

--- a/drivers/pci/quirks.c
+++ b/drivers/pci/quirks.c
@@ -1690,6 +1690,14 @@ static void __devinit quirk_p64h2_1k_io(struct pci_dev
*dev)
}
DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL, 0x1460, quirk_p64h2_1k_io);

+/* Give unknown D-Link network adapters a proper class */
+static void __devinit quirk_dlink_unknown(struct pci_dev *dev)
+{
+ if ((dev->class >> 8) == PCI_CLASS_NOT_DEFINED)
+ dev->class = PCI_CLASS_NETWORK_ETHERNET << 8;
+}
+DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_DLINK, 0x4901, quirk_dlink_unknown);
+
/* Fix the IOBL_ADR for 1k I/O space granularity on the Intel P64H2
* The IOBL_ADR gets re-written to 4k boundaries in pci_setup_bridge()
* in drivers/pci/setup-bus.c
-
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