diff options
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/v850/kernel/irq.c | 81 |
1 files changed, 43 insertions, 38 deletions
diff --git a/arch/v850/kernel/irq.c b/arch/v850/kernel/irq.c index 9e85969ba97..534eb8ab97a 100644 --- a/arch/v850/kernel/irq.c +++ b/arch/v850/kernel/irq.c @@ -1,8 +1,8 @@ /* * arch/v850/kernel/irq.c -- High-level interrupt handling * - * Copyright (C) 2001,02,03,04 NEC Electronics Corporation - * Copyright (C) 2001,02,03,04 Miles Bader <miles@gnu.org> + * Copyright (C) 2001,02,03,04,05 NEC Electronics Corporation + * Copyright (C) 2001,02,03,04,05 Miles Bader <miles@gnu.org> * Copyright (C) 1994-2000 Ralf Baechle * Copyright (C) 1992 Linus Torvalds * @@ -84,50 +84,55 @@ volatile unsigned long irq_err_count, spurious_count; int show_interrupts(struct seq_file *p, void *v) { - int i = *(loff_t *) v; - struct irqaction * action; - unsigned long flags; + int irq = *(loff_t *) v; - if (i == 0) { + if (irq == 0) { + int cpu; seq_puts(p, " "); - for (i=0; i < 1 /*smp_num_cpus*/; i++) - seq_printf(p, "CPU%d ", i); + for (cpu=0; cpu < 1 /*smp_num_cpus*/; cpu++) + seq_printf(p, "CPU%d ", cpu); seq_putc(p, '\n'); } - if (i < NR_IRQS) { - int j, count, num; - const char *type_name = irq_desc[i].handler->typename; - spin_lock_irqsave(&irq_desc[j].lock, flags); - action = irq_desc[i].action; - if (!action) - goto skip; - - count = 0; - num = -1; - for (j = 0; j < NR_IRQS; j++) - if (irq_desc[j].handler->typename == type_name) { - if (i == j) - num = count; - count++; - } + if (irq < NR_IRQS) { + unsigned long flags; + struct irqaction *action; - seq_printf(p, "%3d: ",i); - seq_printf(p, "%10u ", kstat_irqs(i)); - if (count > 1) { - int prec = (num >= 100 ? 3 : num >= 10 ? 2 : 1); - seq_printf(p, " %*s%d", 14 - prec, type_name, num); - } else - seq_printf(p, " %14s", type_name); + spin_lock_irqsave(&irq_desc[irq].lock, flags); + + action = irq_desc[irq].action; + if (action) { + int j; + int count = 0; + int num = -1; + const char *type_name = irq_desc[irq].handler->typename; + + for (j = 0; j < NR_IRQS; j++) + if (irq_desc[j].handler->typename == type_name){ + if (irq == j) + num = count; + count++; + } + + seq_printf(p, "%3d: ",irq); + seq_printf(p, "%10u ", kstat_irqs(irq)); + if (count > 1) { + int prec = (num >= 100 ? 3 : num >= 10 ? 2 : 1); + seq_printf(p, " %*s%d", 14 - prec, + type_name, num); + } else + seq_printf(p, " %14s", type_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: - spin_unlock_irqrestore(&irq_desc[j].lock, flags); - } else if (i == NR_IRQS) + seq_printf(p, " %s", action->name); + for (action=action->next; action; action = action->next) + seq_printf(p, ", %s", action->name); + seq_putc(p, '\n'); + } + + spin_unlock_irqrestore(&irq_desc[irq].lock, flags); + } else if (irq == NR_IRQS) seq_printf(p, "ERR: %10lu\n", irq_err_count); + return 0; } |