12be6bb0cSPaul Mundt /*
22be6bb0cSPaul Mundt * Support for virtual IRQ subgroups debugfs mapping.
32be6bb0cSPaul Mundt *
42be6bb0cSPaul Mundt * Copyright (C) 2010 Paul Mundt
52be6bb0cSPaul Mundt *
62be6bb0cSPaul Mundt * Modelled after arch/powerpc/kernel/irq.c.
72be6bb0cSPaul Mundt *
82be6bb0cSPaul Mundt * This file is subject to the terms and conditions of the GNU General Public
92be6bb0cSPaul Mundt * License. See the file "COPYING" in the main directory of this archive
102be6bb0cSPaul Mundt * for more details.
112be6bb0cSPaul Mundt */
122be6bb0cSPaul Mundt #include <linux/seq_file.h>
132be6bb0cSPaul Mundt #include <linux/fs.h>
142be6bb0cSPaul Mundt #include <linux/init.h>
152be6bb0cSPaul Mundt #include <linux/irq.h>
162be6bb0cSPaul Mundt #include <linux/debugfs.h>
172be6bb0cSPaul Mundt #include "internals.h"
182be6bb0cSPaul Mundt
intc_irq_xlate_show(struct seq_file * m,void * priv)19*5c5dc5f8SQinglang Miao static int intc_irq_xlate_show(struct seq_file *m, void *priv)
202be6bb0cSPaul Mundt {
212be6bb0cSPaul Mundt int i;
222be6bb0cSPaul Mundt
232be6bb0cSPaul Mundt seq_printf(m, "%-5s %-7s %-15s\n", "irq", "enum", "chip name");
242be6bb0cSPaul Mundt
252be6bb0cSPaul Mundt for (i = 1; i < nr_irqs; i++) {
262be6bb0cSPaul Mundt struct intc_map_entry *entry = intc_irq_xlate_get(i);
272be6bb0cSPaul Mundt struct intc_desc_int *desc = entry->desc;
282be6bb0cSPaul Mundt
292be6bb0cSPaul Mundt if (!desc)
302be6bb0cSPaul Mundt continue;
312be6bb0cSPaul Mundt
322be6bb0cSPaul Mundt seq_printf(m, "%5d ", i);
332be6bb0cSPaul Mundt seq_printf(m, "0x%05x ", entry->enum_id);
342be6bb0cSPaul Mundt seq_printf(m, "%-15s\n", desc->chip.name);
352be6bb0cSPaul Mundt }
362be6bb0cSPaul Mundt
372be6bb0cSPaul Mundt return 0;
382be6bb0cSPaul Mundt }
392be6bb0cSPaul Mundt
40*5c5dc5f8SQinglang Miao DEFINE_SHOW_ATTRIBUTE(intc_irq_xlate);
412be6bb0cSPaul Mundt
intc_irq_xlate_init(void)422be6bb0cSPaul Mundt static int __init intc_irq_xlate_init(void)
432be6bb0cSPaul Mundt {
442be6bb0cSPaul Mundt /*
452be6bb0cSPaul Mundt * XXX.. use arch_debugfs_dir here when all of the intc users are
462be6bb0cSPaul Mundt * converted.
472be6bb0cSPaul Mundt */
482be6bb0cSPaul Mundt if (debugfs_create_file("intc_irq_xlate", S_IRUGO, NULL, NULL,
492be6bb0cSPaul Mundt &intc_irq_xlate_fops) == NULL)
502be6bb0cSPaul Mundt return -ENOMEM;
512be6bb0cSPaul Mundt
522be6bb0cSPaul Mundt return 0;
532be6bb0cSPaul Mundt }
542be6bb0cSPaul Mundt fs_initcall(intc_irq_xlate_init);
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