ioremap
hw.hw_addr = ioremap(mmio_start, mmio_len);
BASE = (unsigned long) ioremap(addr, sz);
ns->base = ioremap(addr, (1UL << 12));
ioaddr = (unsigned long) ioremap(rtreg_base, rtreg_len);
tp->regs = (unsigned long) ioremap(tg3reg_base, tg3reg_len);
b = ioremap();
void *ioremap();
a = ioremap();