MVPP2_GMAC_CTRL_0_REG
val = readl(port->base + MVPP2_GMAC_CTRL_0_REG);
writel(val, port->base + MVPP2_GMAC_CTRL_0_REG);
val = readl(port->base + MVPP2_GMAC_CTRL_0_REG);
writel(val, port->base + MVPP2_GMAC_CTRL_0_REG);
val = readl(port->base + MVPP2_GMAC_CTRL_0_REG);
writel(val, port->base + MVPP2_GMAC_CTRL_0_REG);
old_ctrl0 = ctrl0 = readl(port->base + MVPP2_GMAC_CTRL_0_REG);
writel(ctrl0, port->base + MVPP2_GMAC_CTRL_0_REG);