#include void * __io_virt_debug(unsigned long x, const char *file, int line) { if (x < PAGE_OFFSET) { printk("io mapaddr 0x%05lx not valid at %s:%d!\n", x, file, line); return __va(x); } return (void *)x; } unsigned long __io_phys_debug(unsigned long x, const char *file, int line) { if (x < PAGE_OFFSET) { printk("io mapaddr 0x%05lx not valid at %s:%d!\n", x, file, line); return x; } return __pa(x); }