--- zzzz-none-000/linux-3.10.107/arch/powerpc/platforms/powermac/setup.c	2017-06-27 09:49:32.000000000 +0000
+++ scorpion-7490-727/linux-3.10.107/arch/powerpc/platforms/powermac/setup.c	2021-02-04 17:41:59.000000000 +0000
@@ -336,7 +336,7 @@
 #endif
 
 #ifdef CONFIG_ADB
-	if (strstr(cmd_line, "adb_sync")) {
+	if (strstr(boot_command_line, "adb_sync")) {
 		extern int __adb_probe_sync;
 		__adb_probe_sync = 1;
 	}
@@ -460,7 +460,7 @@
 static void __init pmac_init_early(void)
 {
 	/* Enable early btext debug if requested */
-	if (strstr(cmd_line, "btextdbg")) {
+	if (strstr(boot_command_line, "btextdbg")) {
 		udbg_adb_init_early();
 		register_early_udbg_console();
 	}
@@ -469,11 +469,11 @@
 	pmac_feature_init();
 
 	/* Initialize debug stuff */
-	udbg_scc_init(!!strstr(cmd_line, "sccdbg"));
-	udbg_adb_init(!!strstr(cmd_line, "btextdbg"));
+	udbg_scc_init(!!strstr(boot_command_line, "sccdbg"));
+	udbg_adb_init(!!strstr(boot_command_line, "btextdbg"));
 
 #ifdef CONFIG_PPC64
-	iommu_init_early_dart();
+	iommu_init_early_dart(&pmac_pci_controller_ops);
 #endif
 
 	/* SMP Init has to be done early as we need to patch up
@@ -632,26 +632,10 @@
 	smu_cmdbuf_abs = memblock_alloc_base(4096, 4096, 0x80000000UL);
 #endif /* CONFIG_PMAC_SMU */
 
-	return 1;
-}
-
-#ifdef CONFIG_PPC64
-/* Move that to pci.c */
-static int pmac_pci_probe_mode(struct pci_bus *bus)
-{
-	struct device_node *node = pci_bus_to_OF_node(bus);
+	pm_power_off = pmac_power_off;
 
-	/* We need to use normal PCI probing for the AGP bus,
-	 * since the device for the AGP bridge isn't in the tree.
-	 * Same for the PCIe host on U4 and the HT host bridge.
-	 */
-	if (bus->self == NULL && (of_device_is_compatible(node, "u3-agp") ||
-				  of_device_is_compatible(node, "u4-pcie") ||
-				  of_device_is_compatible(node, "u3-ht")))
-		return PCI_PROBE_NORMAL;
-	return PCI_PROBE_DEVTREE;
+	return 1;
 }
-#endif /* CONFIG_PPC64 */
 
 define_machine(powermac) {
 	.name			= "PowerMac",
@@ -663,7 +647,6 @@
 	.get_irq		= NULL,	/* changed later */
 	.pci_irq_fixup		= pmac_pci_irq_fixup,
 	.restart		= pmac_restart,
-	.power_off		= pmac_power_off,
 	.halt			= pmac_halt,
 	.time_init		= pmac_time_init,
 	.get_boot_time		= pmac_get_boot_time,
@@ -673,12 +656,10 @@
 	.feature_call		= pmac_do_feature_call,
 	.progress		= udbg_progress,
 #ifdef CONFIG_PPC64
-	.pci_probe_mode		= pmac_pci_probe_mode,
 	.power_save		= power4_idle,
 	.enable_pmcs		= power4_enable_pmcs,
 #endif /* CONFIG_PPC64 */
 #ifdef CONFIG_PPC32
-	.pcibios_enable_device_hook = pmac_pci_enable_device_hook,
 	.pcibios_after_init	= pmac_pcibios_after_init,
 	.phys_mem_access_prot	= pci_phys_mem_access_prot,
 #endif