1 // SPDX-License-Identifier: GPL-2.0 2 /* 3 * S/390 common I/O debugfs interface 4 * 5 * Copyright IBM Corp. 2021 6 * Author(s): Vineeth Vijayan <vneethv@linux.ibm.com> 7 */ 8 9 #include <linux/debugfs.h> 10 #include "cio_debug.h" 11 12 struct dentry *cio_debugfs_dir; 13 14 /* Create the debugfs directory for CIO under the arch_debugfs_dir 15 * i.e /sys/kernel/debug/s390/cio 16 */ 17 static int __init cio_debugfs_init(void) 18 { 19 cio_debugfs_dir = debugfs_create_dir("cio", arch_debugfs_dir); 20 21 return 0; 22 } 23 subsys_initcall(cio_debugfs_init); 24