答:首先,你的函数参数有点问题,应该是ioremap(unsigned long phys_addr, unsigned long size, unsigned long flags) ,或者ioremap(unsigned long phys_addr, unsigned long size); 比如
答:首先,函数参数点问题,应该ioremap(unsigned long phys_addr, unsigned long size, unsigned long flags) ,或者ioremap(unsigned long phys_addr, unsigned long size); 比: ioremap(0