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authorMark Rustad <mark.d.rustad@intel.com>2015-07-13 11:40:07 -0700
committerBjorn Helgaas <bhelgaas@google.com>2015-07-21 13:22:11 -0500
commit7aa6ca4d39edf01f997b9e02cf6d2fdeb224f351 (patch)
tree96320aed16d0eaa0ded2a344c54298642d11a521 /drivers/pci/quirks.c
parent932c435caba8a2ce473a91753bad0173269ef334 (diff)
downloadlinux-7aa6ca4d39edf01f997b9e02cf6d2fdeb224f351.tar.bz2
PCI: Add VPD function 0 quirk for Intel Ethernet devices
Set the PCI_DEV_FLAGS_VPD_REF_F0 flag on all Intel Ethernet device functions other than function 0, so that on multi-function devices, we will always read VPD from function 0 instead of from the other functions. [bhelgaas: changelog] Signed-off-by: Mark Rustad <mark.d.rustad@intel.com> Signed-off-by: Bjorn Helgaas <bhelgaas@google.com> Acked-by: Alexander Duyck <alexander.h.duyck@redhat.com> CC: stable@vger.kernel.org
Diffstat (limited to 'drivers/pci/quirks.c')
-rw-r--r--drivers/pci/quirks.c9
1 files changed, 9 insertions, 0 deletions
diff --git a/drivers/pci/quirks.c b/drivers/pci/quirks.c
index 96b354814cb7..b6af4b0192b8 100644
--- a/drivers/pci/quirks.c
+++ b/drivers/pci/quirks.c
@@ -1895,6 +1895,15 @@ 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;