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xtensa: Use generic show_interrupts()

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Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
This commit is contained in:
Thomas Gleixner 2011-03-24 18:28:40 +01:00
parent 610e1756ea
commit 47a5d9dcbb
2 changed files with 9 additions and 43 deletions
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1
arch/xtensa/Kconfig
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@ -8,6 +8,7 @@ config XTENSA
def_bool y
select HAVE_IDE
select HAVE_GENERIC_HARDIRQS
select GENERIC_IRQ_SHOW
select GENERIC_HARDIRQS_NO_DEPRECATED
help
Xtensa processors are 32-bit RISC machines designed by Tensilica

51
arch/xtensa/kernel/irq.c
View File

@ -62,51 +62,16 @@ asmlinkage void do_IRQ(int irq, struct pt_regs *regs)
set_irq_regs(old_regs);
}
/*
* Generic, controller-independent functions:
*/
int show_interrupts(struct seq_file *p, void *v)
int arch_show_interrupts(struct seq_file *p, int prec)
{
int i = *(loff_t *) v, j;
struct irqaction * action;
unsigned long flags;
int j;
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) {
raw_spin_lock_irqsave(&irq_desc[i].lock, flags);
action = irq_desc[i].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", irq_desc[i].chip->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(&irq_desc[i].lock, flags);
} else if (i == NR_IRQS) {
seq_printf(p, "NMI: ");
for_each_online_cpu(j)
seq_printf(p, "%10u ", nmi_count(j));
seq_putc(p, '\n');
seq_printf(p, "ERR: %10u\n", atomic_read(&irq_err_count));
}
seq_printf(p, "%*s: ", prec, "NMI");
for_each_online_cpu(j)
seq_printf(p, "%10u ", nmi_count(j));
seq_putc(p, '\n');
seq_printf(p, "%*s: ", prec, "ERR");
seq_printf(p, "%10u\n", atomic_read(&irq_err_count));
return 0;
}