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authorTakashi Iwai <tiwai@suse.de>2019-05-15 11:44:04 +0200
committerTakashi Iwai <tiwai@suse.de>2019-05-15 11:44:10 +0200
commit861dafacf37a9aac871fb74457d819559bd96b0a (patch)
tree33bec192c3b54f9f6c2798171d7ff21c75ec20f9
parent49afd15cda15838b5729f5053355108789e7df7a (diff)
PCI: Mark Atheros AR9462 to avoid bus reset (bsc#1051510).
-rw-r--r--patches.drivers/PCI-Mark-Atheros-AR9462-to-avoid-bus-reset.patch38
-rw-r--r--series.conf1
2 files changed, 39 insertions, 0 deletions
diff --git a/patches.drivers/PCI-Mark-Atheros-AR9462-to-avoid-bus-reset.patch b/patches.drivers/PCI-Mark-Atheros-AR9462-to-avoid-bus-reset.patch
new file mode 100644
index 0000000000..39d5025202
--- /dev/null
+++ b/patches.drivers/PCI-Mark-Atheros-AR9462-to-avoid-bus-reset.patch
@@ -0,0 +1,38 @@
+From 6afb7e26978da5e86e57e540fdce65c8b04f398a Mon Sep 17 00:00:00 2001
+From: James Prestwood <james.prestwood@linux.intel.com>
+Date: Mon, 7 Jan 2019 13:32:48 -0800
+Subject: [PATCH] PCI: Mark Atheros AR9462 to avoid bus reset
+Git-commit: 6afb7e26978da5e86e57e540fdce65c8b04f398a
+Patch-mainline: v5.2-rc1
+References: bsc#1051510
+
+When using PCI passthrough with this device, the host machine locks up
+completely when starting the VM, requiring a hard reboot. Add a quirk to
+avoid bus resets on this device.
+
+Fixes: c3e59ee4e766 ("PCI: Mark Atheros AR93xx to avoid bus reset")
+Link: https://lore.kernel.org/linux-pci/20190107213248.3034-1-james.prestwood@linux.intel.com
+Signed-off-by: James Prestwood <james.prestwood@linux.intel.com>
+Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
+Cc: stable@vger.kernel.org # v3.14+
+Acked-by: Takashi Iwai <tiwai@suse.de>
+
+---
+ drivers/pci/quirks.c | 1 +
+ 1 file changed, 1 insertion(+)
+
+diff --git a/drivers/pci/quirks.c b/drivers/pci/quirks.c
+index 68bee35fcafa..9b9e28854a58 100644
+--- a/drivers/pci/quirks.c
++++ b/drivers/pci/quirks.c
+@@ -3408,6 +3408,7 @@ 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);
+ DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_ATHEROS, 0x0033, quirk_no_bus_reset);
++DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_ATHEROS, 0x0034, quirk_no_bus_reset);
+
+ /*
+ * Root port on some Cavium CN8xxx chips do not successfully complete a bus
+--
+2.16.4
+
diff --git a/series.conf b/series.conf
index 23537c5652..0fea18cec0 100644
--- a/series.conf
+++ b/series.conf
@@ -21920,6 +21920,7 @@
patches.arch/x86-speculation-mds-print-smt-vulnerable-on-msbds-with-mitigations-off.patch
patches.arch/x86-speculation-mds-add-mitigations-support-for-mds.patch
patches.drivers/PCI-Mark-AMD-Stoney-Radeon-R7-GPU-ATS-as-broken.patch
+ patches.drivers/PCI-Mark-Atheros-AR9462-to-avoid-bus-reset.patch
# dhowells/linux-fs keys-uefi
patches.suse/0001-KEYS-Allow-unrestricted-boot-time-addition-of-keys-t.patch