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authorGavin Shan <shangw@linux.vnet.ibm.com>2013-06-05 15:34:02 +0800
committerBenjamin Herrenschmidt <benh@kernel.crashing.org>2013-06-20 17:04:33 +1000
commit5fb621698e94e3af8b413d9439041fde48e2784d (patch)
treea2f9493d15a9c19d5978f14fcfe8e8f5e0ab6033
parent475e68cfdde39e6d95055999b0cb42fdb2bea0ca (diff)
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op-kernel-dev-5fb621698e94e3af8b413d9439041fde48e2784d.tar.gz
powerpc/eeh: Fix fetching bus for single-dev-PE
While running Linux as guest on top of phyp, we possiblly have PE that includes single PCI device. However, we didn't return its PCI bus correctly and it leads to failure on recovery from EEH errors for single-dev-PE. The patch fixes the issue. Cc: <stable@vger.kernel.org> # v3.7+ Cc: Steve Best <sbest@us.ibm.com> Signed-off-by: Gavin Shan <shangw@linux.vnet.ibm.com> Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
-rw-r--r--arch/powerpc/platforms/pseries/eeh_pe.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/arch/powerpc/platforms/pseries/eeh_pe.c b/arch/powerpc/platforms/pseries/eeh_pe.c
index fe43d1a..9d4a9e8 100644
--- a/arch/powerpc/platforms/pseries/eeh_pe.c
+++ b/arch/powerpc/platforms/pseries/eeh_pe.c
@@ -639,7 +639,8 @@ struct pci_bus *eeh_pe_bus_get(struct eeh_pe *pe)
if (pe->type & EEH_PE_PHB) {
bus = pe->phb->bus;
- } else if (pe->type & EEH_PE_BUS) {
+ } else if (pe->type & EEH_PE_BUS ||
+ pe->type & EEH_PE_DEVICE) {
edev = list_first_entry(&pe->edevs, struct eeh_dev, list);
pdev = eeh_dev_to_pci_dev(edev);
if (pdev)
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