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authorGavin Shan <shangw@linux.vnet.ibm.com>2013-06-05 15:34:02 +0800
committerBenjamin Herrenschmidt <benh@kernel.crashing.org>2013-06-30 14:08:34 +1000
commitea461abf61753b4b79e625a7c20650105b990f21 (patch)
tree2421df407fb41763a109b2edd2f4d4f01d08382c /arch/powerpc/platforms/pseries/eeh_pe.c
parent6c355beafdbd0a62add3a3d89825ca87cf8ecec0 (diff)
downloadvexpress-lsk-ea461abf61753b4b79e625a7c20650105b990f21.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>
Diffstat (limited to 'arch/powerpc/platforms/pseries/eeh_pe.c')
-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 fe43d1aa2cf..9d4a9e8562b 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)