TIMER_CNTVAL_LO_REG
return ~readl(cs->base + TIMER_CNTVAL_LO_REG(1, offset));
u32 old = readl(ce->base + TIMER_CNTVAL_LO_REG(1, offset));
while ((old - readl(ce->base + TIMER_CNTVAL_LO_REG(1, offset))) <