1/* 2 * include/asm-xtensa/irq.h 3 * 4 * This file is subject to the terms and conditions of the GNU General Public 5 * License. See the file "COPYING" in the main directory of this archive 6 * for more details. 7 * 8 * Copyright (C) 2001 - 2005 Tensilica Inc. 9 */ 10 11#ifndef _XTENSA_IRQ_H 12#define _XTENSA_IRQ_H 13 14#include <linux/init.h> 15#include <platform/hardware.h> 16#include <variant/core.h> 17 18#ifdef CONFIG_VARIANT_IRQ_SWITCH 19#include <variant/irq.h> 20#else 21static inline void variant_irq_enable(unsigned int irq) { } 22static inline void variant_irq_disable(unsigned int irq) { } 23#endif 24 25#ifndef VARIANT_NR_IRQS 26# define VARIANT_NR_IRQS 0 27#endif 28#ifndef PLATFORM_NR_IRQS 29# define PLATFORM_NR_IRQS 0 30#endif 31#define XTENSA_NR_IRQS XCHAL_NUM_INTERRUPTS 32#define NR_IRQS (XTENSA_NR_IRQS + VARIANT_NR_IRQS + PLATFORM_NR_IRQS) 33 34#if VARIANT_NR_IRQS == 0 35static inline void variant_init_irq(void) { } 36#else 37void variant_init_irq(void) __init; 38#endif 39 40static __inline__ int irq_canonicalize(int irq) 41{ 42 return (irq); 43} 44 45struct irqaction; 46 47#endif /* _XTENSA_IRQ_H */ 48