内核编译后不能用usb键盘和鼠标，usb无线网卡正常

[yangzhengbao]

chenghao@chenghao-Lenovo-Product:~$ lsusb
Bus 003 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 007 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 006 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 002 Device 003: ID 0ac8:c42d Z-Star Microelectronics Corp.
Bus 002 Device 002: ID 0bda:8172 Realtek Semiconductor Corp. RTL8191SU 802.11n WLAN Adapter
Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 005 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 004 Device 003: ID 04d9:1133 Holtek Semiconductor, Inc.
Bus 004 Device 002: ID 17ef:602d Lenovo
Bus 004 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub

能看到桌面，usb键盘鼠标都不能用，等一会，usb无线网卡也能顺利连接上无线路由。

[潇湘书笛]

需要把usb-hid驱动选上，这样键盘就可以用了