ICU_IITSR
iitsr = readl_relaxed(priv->base + ICU_IITSR);
iitsr = readl_relaxed(priv->base + ICU_IITSR);
writel_relaxed(iitsr, priv->base + ICU_IITSR);
cache->iitsr = readl_relaxed(base + ICU_IITSR);
writel_relaxed(cache->iitsr, base + ICU_IITSR);