summaryrefslogtreecommitdiff
diff options
context:
space:
mode:
authorGavin Shan <gwshan@linux.vnet.ibm.com>2014-04-24 18:00:22 +1000
committerBenjamin Herrenschmidt <benh@kernel.crashing.org>2014-05-12 10:33:08 +1000
commit372cf1244d7c271806b83b32b09a1c8b1b31b353 (patch)
tree04cd479d405cebe9557027f0fb3df0c6f38ee3bd
parente4565362c7adc31201135c4b6d649fc1bdc3bf20 (diff)
powerpc/powernv: Reset root port in firmware
Resetting root port has more stuff to do than that for PCIe switch ports and we should have resetting root port done in firmware instead of the kernel itself. The problem was introduced by commit 5b2e198e ("powerpc/powernv: Rework EEH reset"). Cc: linux-stable <stable@vger.kernel.org> Signed-off-by: Gavin Shan <gwshan@linux.vnet.ibm.com> Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
-rw-r--r--arch/powerpc/platforms/powernv/eeh-ioda.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/arch/powerpc/platforms/powernv/eeh-ioda.c b/arch/powerpc/platforms/powernv/eeh-ioda.c
index 253fefe3d1a0..5b51079f3e3b 100644
--- a/arch/powerpc/platforms/powernv/eeh-ioda.c
+++ b/arch/powerpc/platforms/powernv/eeh-ioda.c
@@ -549,7 +549,8 @@ static int ioda_eeh_reset(struct eeh_pe *pe, int option)
ret = ioda_eeh_phb_reset(hose, option);
} else {
bus = eeh_pe_bus_get(pe);
- if (pci_is_root_bus(bus))
+ if (pci_is_root_bus(bus) ||
+ pci_is_root_bus(bus->parent))
ret = ioda_eeh_root_reset(hose, option);
else
ret = ioda_eeh_bridge_reset(hose, bus->self, option);