--- zzzz-none-000/linux-3.10.107/arch/arc/include/asm/irq.h	2017-06-27 09:49:32.000000000 +0000
+++ scorpion-7490-727/linux-3.10.107/arch/arc/include/asm/irq.h	2021-02-04 17:41:59.000000000 +0000
@@ -13,14 +13,23 @@
 #define NR_IRQS		128 /* allow some CPU external IRQ handling */
 
 /* Platform Independent IRQs */
+#ifdef CONFIG_ISA_ARCOMPACT
 #define TIMER0_IRQ      3
 #define TIMER1_IRQ      4
+#define IPI_IRQ		(NR_CPU_IRQS-1) /* dummy to enable SMP build for up hardware */
+#else
+#define TIMER0_IRQ      16
+#define TIMER1_IRQ      17
+#define IPI_IRQ         19
+#endif
 
+#include <linux/interrupt.h>
 #include <asm-generic/irq.h>
 
-extern void __init arc_init_IRQ(void);
-extern int __init get_hw_config_num_irq(void);
-
-void __cpuinit arc_local_timer_setup(unsigned int cpu);
+extern void arc_init_IRQ(void);
+void arc_local_timer_setup(void);
+void arc_request_percpu_irq(int irq, int cpu,
+                            irqreturn_t (*isr)(int irq, void *dev),
+                            const char *irq_nm, void *percpu_dev);
 
 #endif