TPDM_DSB_CR
val = readl_relaxed(drvdata->base + TPDM_DSB_CR);
writel_relaxed(val, drvdata->base + TPDM_DSB_CR);
val = readl_relaxed(drvdata->base + TPDM_DSB_CR);
writel_relaxed(val, drvdata->base + TPDM_DSB_CR);