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Commit 47a5d9dc authored by Thomas Gleixner's avatar Thomas Gleixner
Browse files

xtensa: Use generic show_interrupts() 



Signed-off-by: default avatarThomas Gleixner <tglx@linutronix.de>
parent 610e1756

arch/xtensa/Kconfig

+1 −0
Original line number Diff line number Diff line
@@ -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

arch/xtensa/kernel/irq.c

+9 −44
Original line number Diff line number Diff line
@@ -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;



	if (i == 0) {

		seq_printf(p, "           ");

		for_each_online_cpu(j)

			seq_printf(p, "CPU%d       ",j);

		seq_putc(p, '\n');

	}

	int j;



	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: ");

	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, "ERR: %10u\n", atomic_read(&irq_err_count));

	}

	seq_printf(p, "%*s: ", prec, "ERR");

	seq_printf(p, "%10u\n", atomic_read(&irq_err_count));

	return 0;

}