/* * Support for virtual IRQ subgroups debugfs mapping. * * Copyright (C) 2010 Paul Mundt * * Modelled after arch/powerpc/kernel/irq.c. * * This file is subject to the terms and conditions of the GNU General Public * License. See the file "COPYING" in the main directory of this archive * for more details. */ #include <linux/seq_file.h> #include <linux/fs.h> #include <linux/init.h> #include <linux/irq.h> #include <linux/debugfs.h> #include "internals.h" static int intc_irq_xlate_show(struct seq_file *m, void *priv) { int i; seq_printf(m, "%-5s %-7s %-15s\n", "irq", "enum", "chip name"); for (i = 1; i < nr_irqs; i++) { struct intc_map_entry *entry = intc_irq_xlate_get(i); struct intc_desc_int *desc = entry->desc; if (!desc) continue; seq_printf(m, "%5d ", i); seq_printf(m, "0x%05x ", entry->enum_id); seq_printf(m, "%-15s\n", desc->chip.name); } return 0; } DEFINE_SHOW_ATTRIBUTE(intc_irq_xlate); static int __init intc_irq_xlate_init(void) { /* * XXX.. use arch_debugfs_dir here when all of the intc users are * converted. */ if (debugfs_create_file("intc_irq_xlate", S_IRUGO, NULL, NULL, &intc_irq_xlate_fops) == NULL) return -ENOMEM; return 0; } fs_initcall(intc_irq_xlate_init);