Commit e8fac633 authored by Thomas Gleixner's avatar Thomas Gleixner Committed by Steven Miao
Browse files

blackfin:Use generic /proc/interrupts implementation 



There is nothing special in that blackfin code. Use the core
implementation.

Signed-off-by: default avatarThomas Gleixner <tglx@linutronix.de>
Cc: Steven Miao <realmz6@gmail.com>
Cc: bfin <adi-buildroot-devel@lists.sourceforge.net>
parent 30fc7ebe

arch/blackfin/Kconfig

+1 −0
Original line number Diff line number Diff line
@@ -34,6 +34,7 @@ config BLACKFIN 
	select ARCH_WANT_IPC_PARSE_VERSION

	select GENERIC_ATOMIC64

	select GENERIC_IRQ_PROBE

	select GENERIC_IRQ_SHOW

	select HAVE_NMI_WATCHDOG if NMI_WATCHDOG

	select GENERIC_SMP_IDLE_THREAD

	select ARCH_USES_GETTIMEOFFSET if !GENERIC_CLOCKEVENTS

arch/blackfin/kernel/irqchip.c

+9 −30
Original line number Diff line number Diff line
@@ -11,6 +11,7 @@ 
#include <linux/kallsyms.h>

#include <linux/interrupt.h>

#include <linux/irq.h>

#include <linux/seq_file.h>

#include <asm/irq_handler.h>

#include <asm/trace.h>

#include <asm/pda.h>
@@ -33,37 +34,15 @@ static struct irq_desc bad_irq_desc = { 
#endif



#ifdef CONFIG_PROC_FS

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 < 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);

		for_each_online_cpu(j)

			seq_printf(p, "%10u ", kstat_irqs_cpu(i, j));

		seq_printf(p, " %8s", irq_desc_get_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_printf(p, "NMI: ");

	int j;



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

	for_each_online_cpu(j)

		seq_printf(p, "%10u ", cpu_pda[j].__nmi_count);

	seq_printf(p, "  CORE  Non Maskable Interrupt\n");

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

	}

	seq_printf(p, "%*s: %10u\n", prec, "ERR", atomic_read(&irq_err_count));

	return 0;

}

#endif