diff --git a/arch/powerpc/platforms/embedded6xx/mpc7448_hpc2.c b/arch/powerpc/platforms/embedded6xx/mpc7448_hpc2.c
index a2c04b9d42b1642726a4abb2ea1cc72a85e69ecb..d4f8bf581e3a5facf1bdfa9dd736fc1dad3f08db 100644
--- a/arch/powerpc/platforms/embedded6xx/mpc7448_hpc2.c
+++ b/arch/powerpc/platforms/embedded6xx/mpc7448_hpc2.c
@@ -53,8 +53,6 @@
 
 #define MPC7448HPC2_PCI_CFG_PHYS 0xfb000000
 
-extern void _nmask_and_or_msr(unsigned long nmask, unsigned long or_val);
-
 int mpc7448_hpc2_exclude_device(struct pci_controller *hose,
 				u_char bus, u_char devfn)
 {
diff --git a/include/asm-powerpc/system.h b/include/asm-powerpc/system.h
index 87be8c3bc9cb25efb11aebac0734caaa5fe5e85a..bc9739dff5e75cd9a808c895092b7e98066ceda0 100644
--- a/include/asm-powerpc/system.h
+++ b/include/asm-powerpc/system.h
@@ -169,6 +169,8 @@ extern int do_page_fault(struct pt_regs *, unsigned long, unsigned long);
 extern void bad_page_fault(struct pt_regs *, unsigned long, int);
 extern int die(const char *, struct pt_regs *, long);
 extern void _exception(int, struct pt_regs *, int, unsigned long);
+extern void _nmask_and_or_msr(unsigned long nmask, unsigned long or_val);
+
 #ifdef CONFIG_BOOKE_WDT
 extern u32 booke_wdt_enabled;
 extern u32 booke_wdt_period;