summaryrefslogtreecommitdiffstats
path: root/drivers/pci/quirks.c
diff options
context:
space:
mode:
authorGreg Kroah-Hartman <gregkh@linuxfoundation.org>2015-02-02 09:10:17 -0800
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2015-02-02 09:10:17 -0800
commitb3a54bf9ed76dff9dd26e1fc719431fb14604a8a (patch)
tree38d2b3f00c71a881f303a06dfe361c9d6d591014 /drivers/pci/quirks.c
parentc99197902da284b4b723451c1471c45b18537cde (diff)
parente36f014edff70fc02b3d3d79cead1d58f289332e (diff)
Merge 3.19-rc7 into usb-next
We want the USB fixes in here to make merges easier. Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/pci/quirks.c')
-rw-r--r--drivers/pci/quirks.c14
1 files changed, 14 insertions, 0 deletions
diff --git a/drivers/pci/quirks.c b/drivers/pci/quirks.c
index ed6f89b6efe..e52356aa09b 100644
--- a/drivers/pci/quirks.c
+++ b/drivers/pci/quirks.c
@@ -3028,6 +3028,20 @@ DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_REALTEK, 0x8169,
DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_MELLANOX, PCI_ANY_ID,
quirk_broken_intx_masking);
+static void quirk_no_bus_reset(struct pci_dev *dev)
+{
+ dev->dev_flags |= PCI_DEV_FLAGS_NO_BUS_RESET;
+}
+
+/*
+ * Atheros AR93xx chips do not behave after a bus reset. The device will
+ * throw a Link Down error on AER-capable systems and regardless of AER,
+ * config space of the device is never accessible again and typically
+ * causes the system to hang or reset when access is attempted.
+ * http://www.spinics.net/lists/linux-pci/msg34797.html
+ */
+DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_ATHEROS, 0x0030, quirk_no_bus_reset);
+
#ifdef CONFIG_ACPI
/*
* Apple: Shutdown Cactus Ridge Thunderbolt controller.