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__
26 struct irqaction;
27 struct pt_regs;
28
29 void handle_IRQ(unsigned int, struct pt_regs *);
30
31 #ifdef CONFIG_SMP
32 #include <linux/cpumask.h>
33
34 extern 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
39 static inline int nr_legacy_irqs(void)
40 {
41 return NR_IRQS_LEGACY;
42 }
43
44 #endif
45
46 #endif
47
48
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