转载地址: https://blog.csdn.net/newtonnl/article/details/39697889驱动中pr_debug定义在kernel/include/linux/printk.h/* If you are writing a driver, please usedev_dbg instead */#if defined(CONFIG_DYNAMIC_DEBUG)/* dynamic_pr_debug() uses pr_fmt()internally so we don't nee...【阅读全文】