irq.h

 1/* SPDX-License-Identifier: GPL-2.0 */
 2#ifndef __ASM_ARM_IRQ_H
 3#define __ASM_ARM_IRQ_H
 4
 5#define NR_IRQS_LEGACY	16
 6
 7#ifndef CONFIG_SPARSE_IRQ
 8#include <mach/irqs.h>
 9#else
10#define NR_IRQS NR_IRQS_LEGACY
11#endif
12
13#ifndef irq_canonicalize
14#define irq_canonicalize(i)	(i)
15#endif
16
17/*
18 * Use this value to indicate lack of interrupt
19 * capability
20 */
21#ifndef NO_IRQ
22#define NO_IRQ	((unsigned int)(-1))
23#endif
24
25#ifndef __ASSEMBLY__
26struct irqaction;
27struct pt_regs;
28
29void handle_IRQ(unsigned int, struct pt_regs *);
30
31#ifdef CONFIG_SMP
32#include <linux/cpumask.h>
33
34extern void arch_trigger_cpumask_backtrace(const cpumask_t *mask,
35					   int exclude_cpu);
36#define arch_trigger_cpumask_backtrace arch_trigger_cpumask_backtrace
37#endif
38
39static inline int nr_legacy_irqs(void)
40{
41	return NR_IRQS_LEGACY;
42}
43
44#endif
45
46#endif
47