+#ifdef CONFIG_INTC_MAPPING_DEBUG
+static int intc_irq_xlate_debug(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_desc_int *desc = intc_irq_xlate[i].desc;
+
+ if (!desc)
+ continue;
+
+ seq_printf(m, "%5d ", i);
+ seq_printf(m, "0x%05x ", intc_irq_xlate[i].enum_id);
+ seq_printf(m, "%-15s\n", desc->chip.name);
+ }
+
+ return 0;
+}
+
+static int intc_irq_xlate_open(struct inode *inode, struct file *file)
+{
+ return single_open(file, intc_irq_xlate_debug, inode->i_private);
+}
+
+static const struct file_operations intc_irq_xlate_fops = {
+ .open = intc_irq_xlate_open,
+ .read = seq_read,
+ .llseek = seq_lseek,
+ .release = single_release,
+};
+
+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);
+#endif
+