diff options
Diffstat (limited to 'arch/um/kernel/irq.c')
| -rw-r--r-- | arch/um/kernel/irq.c | 91 |
1 files changed, 27 insertions, 64 deletions
diff --git a/arch/um/kernel/irq.c b/arch/um/kernel/irq.c index 64cfea80cfe..1d8505b1e29 100644 --- a/arch/um/kernel/irq.c +++ b/arch/um/kernel/irq.c @@ -5,63 +5,17 @@ * Copyright (C) 1992, 1998 Linus Torvalds, Ingo Molnar */ -#include "linux/cpumask.h" -#include "linux/hardirq.h" -#include "linux/interrupt.h" -#include "linux/kernel_stat.h" -#include "linux/module.h" -#include "linux/sched.h" -#include "linux/seq_file.h" -#include "linux/slab.h" -#include "as-layout.h" -#include "kern_util.h" -#include "os.h" - -/* - * Generic, controller-independent functions: - */ - -int show_interrupts(struct seq_file *p, void *v) -{ - int i = *(loff_t *) v, j; - struct irqaction * action; - unsigned long flags; - - if (i == 0) { - seq_printf(p, " "); - for_each_online_cpu(j) - seq_printf(p, "CPU%d ",j); - seq_putc(p, '\n'); - } - - if (i < NR_IRQS) { - struct irq_desc *desc = irq_to_desc(i); - - raw_spin_lock_irqsave(&desc->lock, flags); - action = desc->action; - if (!action) - goto skip; - seq_printf(p, "%3d: ",i); -#ifndef CONFIG_SMP - seq_printf(p, "%10u ", kstat_irqs(i)); -#else - for_each_online_cpu(j) - seq_printf(p, "%10u ", kstat_irqs_cpu(i, j)); -#endif - seq_printf(p, " %14s", get_irq_desc_chip(desc)->name); - seq_printf(p, " %s", action->name); - - for (action=action->next; action; action = action->next) - seq_printf(p, ", %s", action->name); - - seq_putc(p, '\n'); -skip: - raw_spin_unlock_irqrestore(&desc->lock, flags); - } else if (i == NR_IRQS) - seq_putc(p, '\n'); - - return 0; -} +#include <linux/cpumask.h> +#include <linux/hardirq.h> +#include <linux/interrupt.h> +#include <linux/kernel_stat.h> +#include <linux/module.h> +#include <linux/sched.h> +#include <linux/seq_file.h> +#include <linux/slab.h> +#include <as-layout.h> +#include <kern_util.h> +#include <os.h> /* * This list is accessed under irq_lock, except in sigio_handler, @@ -76,7 +30,7 @@ static struct irq_fd **last_irq_ptr = &active_fds; extern void free_irqs(void); -void sigio_handler(int sig, struct uml_pt_regs *regs) +void sigio_handler(int sig, struct siginfo *unused_si, struct uml_pt_regs *regs) { struct irq_fd *irq_fd; int n; @@ -304,6 +258,7 @@ void deactivate_fd(int fd, int irqnum) ignore_sigio_fd(fd); } +EXPORT_SYMBOL(deactivate_fd); /* * Called just before shutdown in order to provide a clean exec @@ -342,6 +297,13 @@ unsigned int do_IRQ(int irq, struct uml_pt_regs *regs) return 1; } +void um_free_irq(unsigned int irq, void *dev) +{ + free_irq_by_irq_and_dev(irq, dev); + free_irq(irq, dev); +} +EXPORT_SYMBOL(um_free_irq); + int um_request_irq(unsigned int irq, int fd, int type, irq_handler_t handler, unsigned long irqflags, const char * devname, @@ -372,29 +334,30 @@ static void dummy(struct irq_data *d) /* This is used for everything else than the timer. */ static struct irq_chip normal_irq_type = { .name = "SIGIO", - .release = free_irq_by_irq_and_dev, .irq_disable = dummy, .irq_enable = dummy, .irq_ack = dummy, + .irq_mask = dummy, + .irq_unmask = dummy, }; static struct irq_chip SIGVTALRM_irq_type = { .name = "SIGVTALRM", - .release = free_irq_by_irq_and_dev, .irq_disable = dummy, .irq_enable = dummy, .irq_ack = dummy, + .irq_mask = dummy, + .irq_unmask = dummy, }; void __init init_IRQ(void) { int i; - set_irq_chip_and_handler(TIMER_IRQ, &SIGVTALRM_irq_type, handle_edge_irq); + irq_set_chip_and_handler(TIMER_IRQ, &SIGVTALRM_irq_type, handle_edge_irq); - for (i = 1; i < NR_IRQS; i++) { - set_irq_chip_and_handler(i, &normal_irq_type, handle_edge_irq); - } + for (i = 1; i < NR_IRQS; i++) + irq_set_chip_and_handler(i, &normal_irq_type, handle_edge_irq); } /* |