tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
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linux
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;
28extern void migrate_irqs(void);
29
30extern void asm_do_IRQ(unsigned int, struct pt_regs *);
31void handle_IRQ(unsigned int, struct pt_regs *);
32void init_IRQ(void);
33
34#ifdef CONFIG_MULTI_IRQ_HANDLER
35extern void (*handle_arch_irq)(struct pt_regs *);
36extern void set_handle_irq(void (*handle_irq)(struct pt_regs *));
37#endif
38
39#ifdef CONFIG_SMP
40extern void arch_trigger_cpumask_backtrace(const cpumask_t *mask,
41 bool exclude_self);
42#define arch_trigger_cpumask_backtrace arch_trigger_cpumask_backtrace
43#endif
44
45static inline int nr_legacy_irqs(void)
46{
47 return NR_IRQS_LEGACY;
48}
49
50#endif
51
52#endif
53