Commits
Gavin Shan committed 361f2a2a153
powrpc/powernv: Reset PHB in kdump kernel In the kdump scenario, the first kerenl doesn't shutdown PCI devices and the kdump kerenl clean PHB IODA table at the early probe time. That means the kdump kerenl can't support PCI transactions piled by the first kerenl. Otherwise, lots of EEH errors and frozen PEs will be detected. In order to avoid the EEH errors, the PHB is resetted to drop all PCI transaction from the first kerenl. Signed-off-by: Gavin Shan <gwshan@linux.vnet.ibm.com> Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>