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1/*2 * Support for virtual IRQ subgroups debugfs mapping.3 *4 * Copyright (C) 2010 Paul Mundt5 *6 * Modelled after arch/powerpc/kernel/irq.c.7 *8 * This file is subject to the terms and conditions of the GNU General Public9 * License. See the file "COPYING" in the main directory of this archive10 * for more details.11 */12#include <linux/seq_file.h>13#include <linux/fs.h>14#include <linux/init.h>15#include <linux/irq.h>16#include <linux/debugfs.h>17#include "internals.h"18 19static int intc_irq_xlate_show(struct seq_file *m, void *priv)20{21 int i;22 23 seq_printf(m, "%-5s %-7s %-15s\n", "irq", "enum", "chip name");24 25 for (i = 1; i < nr_irqs; i++) {26 struct intc_map_entry *entry = intc_irq_xlate_get(i);27 struct intc_desc_int *desc = entry->desc;28 29 if (!desc)30 continue;31 32 seq_printf(m, "%5d ", i);33 seq_printf(m, "0x%05x ", entry->enum_id);34 seq_printf(m, "%-15s\n", desc->chip.name);35 }36 37 return 0;38}39 40DEFINE_SHOW_ATTRIBUTE(intc_irq_xlate);41 42static int __init intc_irq_xlate_init(void)43{44 /*45 * XXX.. use arch_debugfs_dir here when all of the intc users are46 * converted.47 */48 if (debugfs_create_file("intc_irq_xlate", S_IRUGO, NULL, NULL,49 &intc_irq_xlate_fops) == NULL)50 return -ENOMEM;51 52 return 0;53}54fs_initcall(intc_irq_xlate_init);55