iowrite64_lo_hi
#define cfg_write64(reg, item, val) iowrite64_lo_hi(val, cfg_pointer(reg, item))
iowrite64_lo_hi(address, reg + offset);
iowrite64_lo_hi(value, reg);
iowrite64_lo_hi(value, reg);
iowrite64_lo_hi(0, reg);
iowrite64_lo_hi(ns >> TICKS_NS_SHIFT, ®s->systime_lo);
iowrite64_lo_hi(mac, &chip->regs->ts_st);
iowrite64_lo_hi(1, &chip->regs->trgt_lo);
#define iowrite64 iowrite64_lo_hi
#ifndef iowrite64_lo_hi
#define iowrite64_lo_hi iowrite64_lo_hi