/ * **************************** *********************************************************** * error: dereferencing pointer to - incomplete of the type * Description: * debug display driver, print of_node message the error; * * 2019-5-31 Baoan District, Shenzhen Zeng Jianfeng *********************************** ****************************************** * / a, reference documents 1 . resolve the compilation error: dereferencing pointer to incomplete type approach HTTPS: // www.cnblogs.com/qunxuan/p/4080730.html Second, the solution to a problem:. printk ( " % S: of_node-> name:% S \ n-, of_node-> FULL_NAME:% S \ n- ", __Func__ in, master_dev-> of_node-> name, master_dev-> of_node-> FULL_NAME); 2 the header file:. #Include <linux / of.h>