From: Mark Rustad Date: Mon, 13 Jul 2015 18:40:07 +0000 (-0700) Subject: PCI: Add VPD function 0 quirk for Intel Ethernet devices X-Git-Tag: v4.3-rc1~145^2~4^3~1 X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=7aa6ca4d39edf01f997b9e02cf6d2fdeb224f351;p=karo-tx-linux.git 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 Signed-off-by: Bjorn Helgaas Acked-by: Alexander Duyck CC: stable@vger.kernel.org --- 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;