关于工作队列的详细API解释：http://blog.csdn.net/angle_birds/article/details/8448070

工作队列的使用：http://blog.csdn.net/zhenwenxian/article/details/17980231

下面是TP驱动中用到的工作队列：但是唤醒任务用的是queue_work函数

/** drivers/input/touchscreen/gt801_ts.c** Copyright (C) 2010 ROCKCHIP, Inc.** This software is licensed under the terms of the GNU General Public* License version 2, as published by the Free Software Foundation, and* may be