diff --git a/arch/powerpc/include/asm/irq_work.h b/arch/powerpc/include/asm/irq_work.h
index c6d3078bd8c3b442114326c10345b7484f5a0228..b8b0be8f1a07eec6530fe6a96f88c6dc61dce8d6 100644
--- a/arch/powerpc/include/asm/irq_work.h
+++ b/arch/powerpc/include/asm/irq_work.h
@@ -6,5 +6,6 @@ static inline bool arch_irq_work_has_interrupt(void)
 {
 	return true;
 }
+extern void arch_irq_work_raise(void);
 
 #endif /* _ASM_POWERPC_IRQ_WORK_H */