WD_TIMER_REGSZ
#define WD1_OFF (WD_TIMER_REGSZ * 1)
#define WD2_OFF (WD_TIMER_REGSZ * 2)
#define PLD_OFF (WD_TIMER_REGSZ * 3)
4 * WD_TIMER_REGSZ, DRIVER_NAME);
p->devs[i].regs = p->regs + (i * WD_TIMER_REGSZ);
of_iounmap(&op->resource[0], p->regs, 4 * WD_TIMER_REGSZ);
of_iounmap(&op->resource[0], p->regs, 4 * WD_TIMER_REGSZ);