发布时间:2020-09-04 00:39:43
drivers/usb/core/usb.c//这个是USB子系统初始化subsys_initcall(usb_init);static int __init usb_init(void){ int retval; retval = usb_debugfs_init(); retval = bus_register(&usb_bus_type); retval = bus_register_notifier(&usb.........【阅读全文】