Attempt to read VPD on these cards causes kernel hang or delay

Signed-off-by: Jordan Hargrave <jordan_hargr...@dell.com>
---
 drivers/pci/quirks.c |   10 ++++++++++
 1 files changed, 10 insertions(+), 0 deletions(-)

diff --git a/drivers/pci/quirks.c b/drivers/pci/quirks.c
index e6376f6..a72667f 100644
--- a/drivers/pci/quirks.c
+++ b/drivers/pci/quirks.c
@@ -2161,6 +2161,16 @@ static void quirk_brcm_570x_limit_vpd(struct pci_dev 
*dev)
        }
 }
 
+static void quirk_atheros_vpd(struct pci_dev *dev)
+{
+       /* Atheros WiFi cards hang when reading VPD */
+       if (dev->vpd)
+               dev->vpd->len = 0;
+}
+
+DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_ATHEROS, PCI_ANY_ID, quirk_atheros_vpd);
+DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_ATTANSIC, PCI_ANY_ID, quirk_atheros_vpd);
+
 DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_BROADCOM,
                        PCI_DEVICE_ID_NX2_5706,
                        quirk_brcm_570x_limit_vpd);
-- 
1.7.1

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