162306a36Sopenharmony_ci/* 262306a36Sopenharmony_ci * Support for virtual IRQ subgroups debugfs mapping. 362306a36Sopenharmony_ci * 462306a36Sopenharmony_ci * Copyright (C) 2010 Paul Mundt 562306a36Sopenharmony_ci * 662306a36Sopenharmony_ci * Modelled after arch/powerpc/kernel/irq.c. 762306a36Sopenharmony_ci * 862306a36Sopenharmony_ci * This file is subject to the terms and conditions of the GNU General Public 962306a36Sopenharmony_ci * License. See the file "COPYING" in the main directory of this archive 1062306a36Sopenharmony_ci * for more details. 1162306a36Sopenharmony_ci */ 1262306a36Sopenharmony_ci#include <linux/seq_file.h> 1362306a36Sopenharmony_ci#include <linux/fs.h> 1462306a36Sopenharmony_ci#include <linux/init.h> 1562306a36Sopenharmony_ci#include <linux/irq.h> 1662306a36Sopenharmony_ci#include <linux/debugfs.h> 1762306a36Sopenharmony_ci#include "internals.h" 1862306a36Sopenharmony_ci 1962306a36Sopenharmony_cistatic int intc_irq_xlate_show(struct seq_file *m, void *priv) 2062306a36Sopenharmony_ci{ 2162306a36Sopenharmony_ci int i; 2262306a36Sopenharmony_ci 2362306a36Sopenharmony_ci seq_printf(m, "%-5s %-7s %-15s\n", "irq", "enum", "chip name"); 2462306a36Sopenharmony_ci 2562306a36Sopenharmony_ci for (i = 1; i < nr_irqs; i++) { 2662306a36Sopenharmony_ci struct intc_map_entry *entry = intc_irq_xlate_get(i); 2762306a36Sopenharmony_ci struct intc_desc_int *desc = entry->desc; 2862306a36Sopenharmony_ci 2962306a36Sopenharmony_ci if (!desc) 3062306a36Sopenharmony_ci continue; 3162306a36Sopenharmony_ci 3262306a36Sopenharmony_ci seq_printf(m, "%5d ", i); 3362306a36Sopenharmony_ci seq_printf(m, "0x%05x ", entry->enum_id); 3462306a36Sopenharmony_ci seq_printf(m, "%-15s\n", desc->chip.name); 3562306a36Sopenharmony_ci } 3662306a36Sopenharmony_ci 3762306a36Sopenharmony_ci return 0; 3862306a36Sopenharmony_ci} 3962306a36Sopenharmony_ci 4062306a36Sopenharmony_ciDEFINE_SHOW_ATTRIBUTE(intc_irq_xlate); 4162306a36Sopenharmony_ci 4262306a36Sopenharmony_cistatic int __init intc_irq_xlate_init(void) 4362306a36Sopenharmony_ci{ 4462306a36Sopenharmony_ci /* 4562306a36Sopenharmony_ci * XXX.. use arch_debugfs_dir here when all of the intc users are 4662306a36Sopenharmony_ci * converted. 4762306a36Sopenharmony_ci */ 4862306a36Sopenharmony_ci if (debugfs_create_file("intc_irq_xlate", S_IRUGO, NULL, NULL, 4962306a36Sopenharmony_ci &intc_irq_xlate_fops) == NULL) 5062306a36Sopenharmony_ci return -ENOMEM; 5162306a36Sopenharmony_ci 5262306a36Sopenharmony_ci return 0; 5362306a36Sopenharmony_ci} 5462306a36Sopenharmony_cifs_initcall(intc_irq_xlate_init); 55