diff options
| -rw-r--r-- | arch/powerpc/kernel/eeh_driver.c | 14 |
1 files changed, 10 insertions, 4 deletions
diff --git a/arch/powerpc/kernel/eeh_driver.c b/arch/powerpc/kernel/eeh_driver.c index 89eb4bc34d3a..3a626edbb319 100644 --- a/arch/powerpc/kernel/eeh_driver.c +++ b/arch/powerpc/kernel/eeh_driver.c @@ -587,10 +587,16 @@ static int eeh_reset_device(struct eeh_pe *pe, struct pci_bus *bus) eeh_ops->configure_bridge(pe); eeh_pe_restore_bars(pe); - /* Clear frozen state */ - rc = eeh_clear_pe_frozen_state(pe, false); - if (rc) - return rc; + /* + * If it's PHB PE, the frozen state on all available PEs should have + * been cleared by the PHB reset. Otherwise, we unfreeze the PE and its + * child PEs because they might be in frozen state. + */ + if (!(pe->type & EEH_PE_PHB)) { + rc = eeh_clear_pe_frozen_state(pe, false); + if (rc) + return rc; + } /* Give the system 5 seconds to finish running the user-space * hotplug shutdown scripts, e.g. ifdown for ethernet. Yes, |
