powerpc/eeh: Fix address catch for PowerNV

On the PowerNV platform, the EEH address cache isn't built correctly
because we skipped the EEH devices without binding PE. The patch
fixes that.
Signed-off-by: Gavin Shan <shangw@linux.vnet.ibm.com>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>

arch/powerpc/kernel/eeh_cache.c

@@ -194,7 +194,7 @@ static void __eeh_addr_cache_insert_dev(struct pci_dev *dev)
 	}
 
 	/* Skip any devices for which EEH is not enabled. */
-	if (!edev->pe) {
+	if (!eeh_probe_mode_dev() && !edev->pe) {
 #ifdef DEBUG
 		pr_info("PCI: skip building address cache for=%s - %s\n",
 			pci_name(dev), dn->full_name);

arch/powerpc/platforms/powernv/pci-ioda.c

@@ -999,6 +999,7 @@ static void pnv_pci_ioda_fixup(void)
 	pnv_pci_ioda_create_dbgfs();
 
 #ifdef CONFIG_EEH
+	eeh_probe_mode_set(EEH_PROBE_MODE_DEV);
 	eeh_addr_cache_build();
 	eeh_init();
 #endif