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
10#ifndef __LINUX_XHCI_DBGP_H
11#define __LINUX_XHCI_DBGP_H
12
13#ifdef CONFIG_EARLY_PRINTK_USB_XDBC
14int __init early_xdbc_parse_parameter(char *s, int keep_early);
15int __init early_xdbc_setup_hardware(void);
16void __init early_xdbc_register_console(void);
17#else
18static inline int __init early_xdbc_setup_hardware(void)
19{
20 return -ENODEV;
21}
22static inline void __init early_xdbc_register_console(void)
23{
24}
25#endif /* CONFIG_EARLY_PRINTK_USB_XDBC */
26#endif /* __LINUX_XHCI_DBGP_H */
27

source code of linux/include/linux/usb/xhci-dbgp.h