diff options
Diffstat (limited to 'arch/powerpc/platforms/powernv/eeh-powernv.c')
| -rw-r--r-- | arch/powerpc/platforms/powernv/eeh-powernv.c | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/arch/powerpc/platforms/powernv/eeh-powernv.c b/arch/powerpc/platforms/powernv/eeh-powernv.c index 996d8844cbdf..0401f84f7b89 100644 --- a/arch/powerpc/platforms/powernv/eeh-powernv.c +++ b/arch/powerpc/platforms/powernv/eeh-powernv.c @@ -45,6 +45,9 @@ */ static int powernv_eeh_init(void) { + struct pci_controller *hose; + struct pnv_phb *phb; + /* We require OPALv3 */ if (!firmware_has_feature(FW_FEATURE_OPALv3)) { pr_warning("%s: OPALv3 is required !\n", __func__); @@ -54,6 +57,19 @@ static int powernv_eeh_init(void) /* Set probe mode */ eeh_add_flag(EEH_PROBE_MODE_DEV); + /* + * P7IOC blocks PCI config access to frozen PE, but PHB3 + * doesn't do that. So we have to selectively enable I/O + * prior to collecting error log. + */ + list_for_each_entry(hose, &hose_list, list_node) { + phb = hose->private_data; + + if (phb->model == PNV_PHB_MODEL_P7IOC) + eeh_add_flag(EEH_ENABLE_IO_FOR_LOG); + break; + } + return 0; } |