--- zzzz-none-000/linux-3.10.107/arch/powerpc/include/asm/rio.h	2017-06-27 09:49:32.000000000 +0000
+++ scorpion-7490-727/linux-3.10.107/arch/powerpc/include/asm/rio.h	2021-02-04 17:41:59.000000000 +0000
@@ -13,7 +13,6 @@
 #ifndef ASM_PPC_RIO_H
 #define ASM_PPC_RIO_H
 
-extern void platform_rio_init(void);
 #ifdef CONFIG_FSL_RIO
 extern int fsl_rio_mcheck_exception(struct pt_regs *);
 #else