http://blog.csdn.net/m_o_bz/article/details/40574713
http://blog.csdn.net/xiafeng1113/article/details/44998179
http://www.wowotech.net/linux_kenrel/irq-domain.html
http://www.wowotech.net/linux_kenrel/gic_driver.html
原文：http://www.cnblogs.com/steadfast/p/7586672.html