diff --git a/arch/x86/include/asm/setup.h b/arch/x86/include/asm/setup.h
index adb5d44..fd2267b 100644
--- a/arch/x86/include/asm/setup.h
+++ b/arch/x86/include/asm/setup.h
@@ -24,7 +24,6 @@
 	int (*mach_find_smp_config)(unsigned int reserve);
 
 	void (*mpc_oem_bus_info)(struct mpc_bus *m, char *name);
-	void (*mpc_oem_pci_bus)(struct mpc_bus *m);
 };
 
 extern void x86_quirk_intr_init(void);
diff --git a/arch/x86/include/asm/x86_init.h b/arch/x86/include/asm/x86_init.h
index fc0eef2..404e2d2 100644
--- a/arch/x86/include/asm/x86_init.h
+++ b/arch/x86/include/asm/x86_init.h
@@ -1,6 +1,7 @@
 #ifndef _ASM_X86_PLATFORM_H
 #define _ASM_X86_PLATFORM_H
 
+struct mpc_bus;
 struct mpc_cpu;
 struct mpc_table;
 
@@ -10,12 +11,14 @@
  * @setup_ioapic_ids:		platform specific ioapic id override
  * @mpc_apic_id:		platform specific mpc apic id assignment
  * @smp_read_mpc_oem:		platform specific oem mpc table setup
+ * @mpc_oem_pci_bus:		platform specific pci bus setup (default NULL)
  */
 struct x86_init_mpparse {
 	void (*mpc_record)(unsigned int mode);
 	void (*setup_ioapic_ids)(void);
 	int (*mpc_apic_id)(struct mpc_cpu *m);
 	void (*smp_read_mpc_oem)(struct mpc_table *mpc);
+	void (*mpc_oem_pci_bus)(struct mpc_bus *m);
 };
 
 /**
diff --git a/arch/x86/kernel/apic/numaq_32.c b/arch/x86/kernel/apic/numaq_32.c
index 1bd3b0e..feebe8e 100644
--- a/arch/x86/kernel/apic/numaq_32.c
+++ b/arch/x86/kernel/apic/numaq_32.c
@@ -271,7 +271,6 @@
 	.mach_get_smp_config		= NULL,
 	.mach_find_smp_config		= NULL,
 	.mpc_oem_bus_info		= mpc_oem_bus_info,
-	.mpc_oem_pci_bus		= mpc_oem_pci_bus,
 };
 
 static __init void early_check_numaq(void)
@@ -293,6 +292,7 @@
 		x86_init.mpparse.setup_ioapic_ids = x86_init_noop;
 		x86_init.mpparse.mpc_apic_id = mpc_apic_id;
 		x86_init.mpparse.smp_read_mpc_oem = smp_read_mpc_oem;
+		x86_init.mpparse.mpc_oem_pci_bus = mpc_oem_pci_bus;
 	}
 }
 
diff --git a/arch/x86/kernel/mpparse.c b/arch/x86/kernel/mpparse.c
index 45abdf6..72e1140 100644
--- a/arch/x86/kernel/mpparse.c
+++ b/arch/x86/kernel/mpparse.c
@@ -98,8 +98,8 @@
 		mp_bus_id_to_type[m->busid] = MP_BUS_ISA;
 #endif
 	} else if (strncmp(str, BUSTYPE_PCI, sizeof(BUSTYPE_PCI) - 1) == 0) {
-		if (x86_quirks->mpc_oem_pci_bus)
-			x86_quirks->mpc_oem_pci_bus(m);
+		if (x86_init.mpparse.mpc_oem_pci_bus)
+			x86_init.mpparse.mpc_oem_pci_bus(m);
 
 		clear_bit(m->busid, mp_bus_not_pci);
 #if defined(CONFIG_EISA) || defined(CONFIG_MCA)