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[PATCH 4.1 040/102] PCI: Add VPD function 0 quirk for Intel Ethernet devices

Started byGreg Kroah-Hartman <gregkh@linuxfoundation.org>
First post2015-09-19 19:40 +0200
Last post2015-09-19 19:40 +0200
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  [PATCH 4.1 040/102] PCI: Add VPD function 0 quirk for Intel Ethernet devices Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2015-09-19 19:40 +0200

#1228499 — [PATCH 4.1 040/102] PCI: Add VPD function 0 quirk for Intel Ethernet devices

FromGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Date2015-09-19 19:40 +0200
Subject[PATCH 4.1 040/102] PCI: Add VPD function 0 quirk for Intel Ethernet devices
Message-ID<qauhc-8bE-11@gated-at.bofh.it>
4.1-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Mark Rustad <mark.d.rustad@intel.com>

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 <mark.d.rustad@intel.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Acked-by: Alexander Duyck <alexander.h.duyck@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

---
 drivers/pci/quirks.c |    9 +++++++++
 1 file changed, 9 insertions(+)

--- a/drivers/pci/quirks.c
+++ b/drivers/pci/quirks.c
@@ -1903,6 +1903,15 @@ static void quirk_netmos(struct pci_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;


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