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