linux设备模型

linux设备模型http://www.cnblogs.com/wwang/archive/2010/12/21/1912380.html

                        http://www.wowotech.net/device_model/dm_sysfs.html

sysfs：https://www.ibm.com/developerworks/cn/linux/l-cn-sysfs/

             http://unicornx.gitcafe.io/2016/01/09/20160109-lk-dev-model/