From fb0a96829d377ecdb158436d21eb8c1cf2679deb Mon Sep 17 00:00:00 2001 From: Mark Rustad Date: Mon, 13 Jul 2015 11:40:07 -0700 Subject: [PATCH] PCI: Add VPD function 0 quirk for Intel Ethernet devices commit 7aa6ca4d39edf01f997b9e02cf6d2fdeb224f351 upstream. 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 [bwh: Backported to 3.2: - Put the class check in the new function as there is no DECLARE_PCI_FIXUP_CLASS_EARLY( - Adjust context] Signed-off-by: Ben Hutchings --- drivers/pci/quirks.c | 9 +++++++++ 1 file changed, 9 insertions(+) diff --git a/drivers/pci/quirks.c b/drivers/pci/quirks.c index 0def0b1e5414..93be76036e68 100644 --- a/drivers/pci/quirks.c +++ b/drivers/pci/quirks.c @@ -1941,6 +1941,15 @@ static void __devinit quirk_netmos(struct pci_dev *dev) } DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_NETMOS, PCI_ANY_ID, quirk_netmos); +static void quirk_f0_vpd_link(struct pci_dev *dev) +{ + if ((dev->class >> 8) != PCI_CLASS_NETWORK_ETHERNET || + !dev->multifunction || !PCI_FUNC(dev->devfn)) + return; + dev->dev_flags |= PCI_DEV_FLAGS_VPD_REF_F0; +} +DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_INTEL, PCI_ANY_ID, quirk_f0_vpd_link); + static void __devinit quirk_e100_interrupt(struct pci_dev *dev) { u16 command, pmcsr; -- 2.39.2