[PATCH V3 2/2] pci: Add VPD quirk for Intel Ethernet devices

[Mark D Rustad <mark.d.rustad@intel.com>]

This quirk sets the PCI_DEV_FLAGS_VPD_REF_F0 flag on all Intel
Ethernet device functions other than function 0.

Signed-off-by: Mark Rustad <mark.d.rustad@intel.com>
---
Changes in V3:
- Added a multifunction device check
---
 drivers/pci/quirks.c |    9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/drivers/pci/quirks.c b/drivers/pci/quirks.c
index c6dc1dfd25d5..1d6d848b66f9 100644
--- a/drivers/pci/quirks.c
+++ b/drivers/pci/quirks.c
@@ -1903,6 +1903,15 @@ static void quirk_netmos(struct pci_dev *dev)
 DECLARE_PCI_FIXUP_CLASS_HEADER(PCI_VENDOR_ID_NETMOS, PCI_ANY_ID,
 			 PCI_CLASS_COMMUNICATION_SERIAL, 8, quirk_netmos);
 
+static void quirk_f0_vpd_link(struct pci_dev *dev)
+{
+	if (!dev->multifunction || !PCI_FUNC(dev->devfn))
+		return;
+	dev->dev_flags |= PCI_DEV_FLAGS_VPD_REF_F0;
+}
+DECLARE_PCI_FIXUP_CLASS_EARLY(PCI_VENDOR_ID_INTEL, PCI_ANY_ID,
+			      PCI_CLASS_NETWORK_ETHERNET, 8, quirk_f0_vpd_link);
+
 static void quirk_e100_interrupt(struct pci_dev *dev)
 {
 	u16 command, pmcsr;