标签：class bsp add rem ioremap oca reg nbsp str
1、ioremap_nocache
2、register_chrdev
register_chrdev_region
alloc_chrdev_region
cdev_init
cdev_add
class_create
device_create
3、
device_destroy
class_destroy
cdev_del
unregister_chrdev_region
标签：class bsp add rem ioremap oca reg nbsp str
原文地址：http://www.cnblogs.com/soul-stone/p/6375632.html
