Linux下usb.c源代码分析 在Linux系统中有一个名为“The USB Core”子系统，它有特殊的API支持USB设备和控制器。-usb.c Linux source code analysis of the Linux system is called "The U.S. B Core "system, it has a special API support for USB devices and controllers.

linux usb hub及其核心模块不错的资料-usb hub core