enetsw_writel
enetsw_writel(priv, 0, ENETSW_MDIOC_REG);
enetsw_writel(priv, reg, ENETSW_MDIOC_REG);
enetsw_writel(priv, 0, ENETSW_MDIOC_REG);
enetsw_writel(priv, reg, ENETSW_MDIOC_REG);
enetsw_writel(priv, 0x1ff, ENETSW_JMBCTL_PORT_REG);