--- zzzz-none-000/linux-3.10.107/arch/arm/include/asm/hw_irq.h	2017-06-27 09:49:32.000000000 +0000
+++ vr9-7490-729/linux-3.10.107/arch/arm/include/asm/hw_irq.h	2021-11-10 11:53:52.000000000 +0000
@@ -4,7 +4,7 @@
 #ifndef _ARCH_ARM_HW_IRQ_H
 #define _ARCH_ARM_HW_IRQ_H
 
-static inline void ack_bad_irq(int irq)
+static inline void ack_bad_irq(int irq __maybe_unused)
 {
 	extern unsigned long irq_err_count;
 	irq_err_count++;