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authorChris Blake <chrisrblake93@gmail.com>2016-05-30 15:26:37 +0300
committerSasha Levin <alexander.levin@verizon.com>2016-08-22 19:22:58 +0300
commita83f985a3ac1927c21484bfc10fbda417e489777 (patch)
tree3c3cb230bb05ca380d48a134d2d764e7b3027f8b /drivers/pci
parent4ed53b9daf20722ec080838af0af0ba05acfe3af (diff)
downloadlinux-a83f985a3ac1927c21484bfc10fbda417e489777.tar.xz
PCI: Mark Atheros AR9485 and QCA9882 to avoid bus reset
[ Upstream commit 9ac0108c2bac3f1d0255f64fb89fc27e71131b24 ] Similar to the AR93xx series, the AR94xx and the Qualcomm QCA988x also have the same quirk for the Bus Reset. Fixes: c3e59ee4e766 ("PCI: Mark Atheros AR93xx to avoid bus reset") Signed-off-by: Chris Blake <chrisrblake93@gmail.com> Signed-off-by: Bjorn Helgaas <bhelgaas@google.com> CC: stable@vger.kernel.org # v3.14+ Signed-off-by: Sasha Levin <alexander.levin@verizon.com>
Diffstat (limited to 'drivers/pci')
-rw-r--r--drivers/pci/quirks.c10
1 files changed, 6 insertions, 4 deletions
diff --git a/drivers/pci/quirks.c b/drivers/pci/quirks.c
index b6d646a97494..d89d4dac2c09 100644
--- a/drivers/pci/quirks.c
+++ b/drivers/pci/quirks.c
@@ -3060,13 +3060,15 @@ static void quirk_no_bus_reset(struct pci_dev *dev)
}
/*
- * 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.
+ * Some Atheros AR9xxx and QCA988x 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);
+DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_ATHEROS, 0x0032, quirk_no_bus_reset);
+DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_ATHEROS, 0x003c, quirk_no_bus_reset);
#ifdef CONFIG_ACPI
/*