MDIO_CMD_REG
writel(cmd, priv->membase + MDIO_CMD_REG);
writel(cmd, priv->membase + MDIO_CMD_REG);
writel(cmd, priv->membase + MDIO_CMD_REG);
writel(cmd, priv->membase + MDIO_CMD_REG);
writel(cmd, priv->membase + MDIO_CMD_REG);
return readl_poll_timeout(priv->membase + MDIO_CMD_REG, busy,
writel(cmd, priv->membase + MDIO_CMD_REG);