DC_WR_CH_CONF
reg = readl(dc->base + DC_WR_CH_CONF);
writel(reg, dc->base + DC_WR_CH_CONF);
reg = readl(dc->base + DC_WR_CH_CONF);
writel(reg, dc->base + DC_WR_CH_CONF);
val = readl(dc->base + DC_WR_CH_CONF);
writel(val, dc->base + DC_WR_CH_CONF);
priv->channels[1].base + DC_WR_CH_CONF);
priv->channels[5].base + DC_WR_CH_CONF);