--- zzzz-none-000/linux-2.6.39.4/arch/arm/include/asm/hw_irq.h	2011-08-03 19:43:28.000000000 +0000
+++ puma6-arm-6490-729/linux-2.6.39.4/arch/arm/include/asm/hw_irq.h	2021-11-10 13:23:09.000000000 +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 __attribute__((unused)))
 {
 	extern unsigned long irq_err_count;
 	irq_err_count++;