1 // SPDX-License-Identifier: GPL-2.0
2 /*
3  * Standalone xHCI debug capability driver
4  *
5  * Copyright (C) 2016 Intel Corporation
6  *
7  * Author: Lu Baolu <baolu.lu@linux.intel.com>
8  *
9  * This program is free software; you can redistribute it and/or modify
10  * it under the terms of the GNU General Public License version 2 as
11  * published by the Free Software Foundation.
12  */
13 
14 #ifndef __LINUX_XHCI_DBGP_H
15 #define __LINUX_XHCI_DBGP_H
16 
17 #ifdef CONFIG_EARLY_PRINTK_USB_XDBC
18 int __init early_xdbc_parse_parameter(char *s, int keep_early);
19 int __init early_xdbc_setup_hardware(void);
20 void __init early_xdbc_register_console(void);
21 #else
early_xdbc_setup_hardware(void)22 static inline int __init early_xdbc_setup_hardware(void)
23 {
24 	return -ENODEV;
25 }
early_xdbc_register_console(void)26 static inline void __init early_xdbc_register_console(void)
27 {
28 }
29 #endif /* CONFIG_EARLY_PRINTK_USB_XDBC */
30 #endif /* __LINUX_XHCI_DBGP_H */
31