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-rw-r--r--arch/arc/include/asm/irq.h10
1 files changed, 8 insertions, 2 deletions
diff --git a/arch/arc/include/asm/irq.h b/arch/arc/include/asm/irq.h
index c0fa0d2de400..0618b1ce707c 100644
--- a/arch/arc/include/asm/irq.h
+++ b/arch/arc/include/asm/irq.h
@@ -9,13 +9,19 @@
#ifndef __ASM_ARC_IRQ_H
#define __ASM_ARC_IRQ_H
-#define NR_CPU_IRQS 32 /* number of interrupt lines of ARC770 CPU */
-#define NR_IRQS 128 /* allow some CPU external IRQ handling */
+/*
+ * ARCv2 can support 240 interrupts in the core interrupts controllers and
+ * 128 interrupts in IDU. Thus 512 virtual IRQs must be enough for most
+ * configurations of boards.
+ * This doesnt affect ARCompact, but we change it to same value
+ */
+#define NR_IRQS 512
/* Platform Independent IRQs */
#ifdef CONFIG_ISA_ARCV2
#define IPI_IRQ 19
#define SOFTIRQ_IRQ 21
+#define FIRST_EXT_IRQ 24
#endif
#include <linux/interrupt.h>