SKIP_BYTES_CONF
reg = readl_relaxed(cdns_ctrl->reg + SKIP_BYTES_CONF);
writel_relaxed(reg, cdns_ctrl->reg + SKIP_BYTES_CONF);
reg = readl_relaxed(cdns_ctrl->reg + SKIP_BYTES_CONF);
writel_relaxed(reg, cdns_ctrl->reg + SKIP_BYTES_CONF);