自己学习的重要网址

linuxe kernel 学习笔记

http://www.cnblogs.com/wang_yb/p/3504539.html

蜗牛科技

linux kernel

http://www.wowotech.net/sort/linux_kenrel 

linuxe kernel 统一设备树

http://www.wowotech.net/sort/device_model



IOCTL:

http://www.cnblogs.com/geneil/archive/2011/12/04/2275372.html



linxue 高端内存

http://wdqfirst.blog.163.com/blog/static/113347411201182222252954/

viural bus:

https://lwn.net/Articles/326540/

I2C:

http://blog.youkuaiyun.com/hanmengaidudu/article/list/5