--- zzzz-none-000/linux-3.10.107/arch/openrisc/include/asm/irq.h	2017-06-27 09:49:32.000000000 +0000
+++ scorpion-7490-727/linux-3.10.107/arch/openrisc/include/asm/irq.h	2021-02-04 17:41:59.000000000 +0000
@@ -24,4 +24,6 @@
 
 #define NO_IRQ		(-1)
 
+extern void set_handle_irq(void (*handle_irq)(struct pt_regs *));
+
 #endif /* __ASM_OPENRISC_IRQ_H__ */