diff options
Diffstat (limited to 'arch/powerpc/include/asm/irq.h')
| -rw-r--r-- | arch/powerpc/include/asm/irq.h | 48 |
1 files changed, 16 insertions, 32 deletions
diff --git a/arch/powerpc/include/asm/irq.h b/arch/powerpc/include/asm/irq.h index 0e40843a1c6e..aa3751960ffd 100644 --- a/arch/powerpc/include/asm/irq.h +++ b/arch/powerpc/include/asm/irq.h @@ -1,15 +1,11 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ #ifdef __KERNEL__ #ifndef _ASM_POWERPC_IRQ_H #define _ASM_POWERPC_IRQ_H /* - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License - * as published by the Free Software Foundation; either version - * 2 of the License, or (at your option) any later version. */ -#include <linux/irqdomain.h> #include <linux/threads.h> #include <linux/list.h> #include <linux/radix-tree.h> @@ -20,22 +16,14 @@ extern atomic_t ppc_n_lost_interrupts; -/* This number is used when no interrupt has been assigned */ -#define NO_IRQ (0) - /* Total number of virq in the platform */ #define NR_IRQS CONFIG_NR_IRQS -/* Same thing, used by the generic IRQ code */ -#define NR_IRQS_LEGACY NUM_ISA_INTERRUPTS +/* Number of irqs reserved for a legacy isa controller */ +#define NR_IRQS_LEGACY 16 extern irq_hw_number_t virq_to_hw(unsigned int virq); -/** - * irq_early_init - Init irq remapping subsystem - */ -extern void irq_early_init(void); - static __inline__ int irq_canonicalize(int irq) { return irq; @@ -43,37 +31,33 @@ static __inline__ int irq_canonicalize(int irq) extern int distribute_irqs; -struct irqaction; struct pt_regs; -#define __ARCH_HAS_DO_SOFTIRQ - -#if defined(CONFIG_BOOKE) || defined(CONFIG_40x) +#ifdef CONFIG_BOOKE /* * Per-cpu stacks for handling critical, debug and machine check * level interrupts. */ -extern struct thread_info *critirq_ctx[NR_CPUS]; -extern struct thread_info *dbgirq_ctx[NR_CPUS]; -extern struct thread_info *mcheckirq_ctx[NR_CPUS]; -extern void exc_lvl_ctx_init(void); -#else -#define exc_lvl_ctx_init() +extern void *critirq_ctx[NR_CPUS]; +extern void *dbgirq_ctx[NR_CPUS]; +extern void *mcheckirq_ctx[NR_CPUS]; #endif /* * Per-cpu stacks for handling hard and soft interrupts. */ -extern struct thread_info *hardirq_ctx[NR_CPUS]; -extern struct thread_info *softirq_ctx[NR_CPUS]; +extern void *hardirq_ctx[NR_CPUS]; +extern void *softirq_ctx[NR_CPUS]; -extern void irq_ctx_init(void); -extern void call_do_softirq(struct thread_info *tp); -extern int call_handle_irq(int irq, void *p1, - struct thread_info *tp, void *func); -extern void do_IRQ(struct pt_regs *regs); +void __do_IRQ(struct pt_regs *regs); int irq_choose_cpu(const struct cpumask *mask); +#if defined(CONFIG_PPC_BOOK3S_64) && defined(CONFIG_NMI_IPI) +extern void arch_trigger_cpumask_backtrace(const cpumask_t *mask, + int exclude_cpu); +#define arch_trigger_cpumask_backtrace arch_trigger_cpumask_backtrace +#endif + #endif /* _ASM_IRQ_H */ #endif /* __KERNEL__ */ |