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Diffstat (limited to 'arch/microblaze/include/asm/irq.h')
-rw-r--r--arch/microblaze/include/asm/irq.h11
1 files changed, 8 insertions, 3 deletions
diff --git a/arch/microblaze/include/asm/irq.h b/arch/microblaze/include/asm/irq.h
index cc54187f3d3..a175132e449 100644
--- a/arch/microblaze/include/asm/irq.h
+++ b/arch/microblaze/include/asm/irq.h
@@ -9,7 +9,14 @@
#ifndef _ASM_MICROBLAZE_IRQ_H
#define _ASM_MICROBLAZE_IRQ_H
-#define NR_IRQS 32
+
+/*
+ * Linux IRQ# is currently offset by one to map to the hardware
+ * irq number. So hardware IRQ0 maps to Linux irq 1.
+ */
+#define NO_IRQ_OFFSET 1
+#define IRQ_OFFSET NO_IRQ_OFFSET
+#define NR_IRQS (32 + IRQ_OFFSET)
#include <asm-generic/irq.h>
/* This type is the placeholder for a hardware interrupt number. It has to
@@ -20,8 +27,6 @@ typedef unsigned long irq_hw_number_t;
extern unsigned int nr_irq;
-#define NO_IRQ (-1)
-
struct pt_regs;
extern void do_IRQ(struct pt_regs *regs);