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authorChris Blake <chrisrblake93@gmail.com>2016-05-30 14:26:37 +0200
committerBjorn Helgaas <bhelgaas@google.com>2016-06-11 02:09:53 +0200
commit9ac0108c2bac3f1d0255f64fb89fc27e71131b24 (patch)
treeead6c9f1e80bd16f1975ad67c895b040ab1f2c4c /drivers/pci/quirks.c
parentPCI: Add function 1 DMA alias quirk for Marvell 88SE9182 (diff)
downloadlinux-9ac0108c2bac3f1d0255f64fb89fc27e71131b24.tar.xz
linux-9ac0108c2bac3f1d0255f64fb89fc27e71131b24.zip
PCI: Mark Atheros AR9485 and QCA9882 to avoid bus reset
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+
Diffstat (limited to 'drivers/pci/quirks.c')
-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 42366a11d798..98b0af0fcc81 100644
--- a/drivers/pci/quirks.c
+++ b/drivers/pci/quirks.c
@@ -3189,13 +3189,15 @@ 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);
static void quirk_no_pm_reset(struct pci_dev *dev)
{