[POWERPC] ARCH=ppc pt_regs fixes

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Paul Mackerras <paulus@samba.org>
diff --git a/include/asm-ppc/mpc52xx.h b/include/asm-ppc/mpc52xx.h
index 7e98428..64c8874 100644
--- a/include/asm-ppc/mpc52xx.h
+++ b/include/asm-ppc/mpc52xx.h
@@ -415,7 +415,7 @@
 #ifndef __ASSEMBLY__
 
 extern void mpc52xx_init_irq(void);
-extern int mpc52xx_get_irq(struct pt_regs *regs);
+extern int mpc52xx_get_irq(void);
 
 extern unsigned long mpc52xx_find_end_of_memory(void);
 extern void mpc52xx_set_bat(void);