drivers: net: davinci_mdio: use pinctrl PM helpers

This utilize the new pinctrl core PM helpers to transition
the driver to "default" and "sleep" states.

Signed-off-by: Mugunthan V N <[e-mail]>
Acked-by: David S. Miller <[e-mail]>
Signed-off-by: Linus Walleij <[e-mail]>

drivers/net/ethernet/ti/davinci_mdio.c

···
 #include <linux/davinci_emac.h>
 #include <linux/of.h>
 #include <linux/of_device.h>
+#include <linux/pinctrl/consumer.h>
 
 /*
  * This timeout definition is a worst-case ultra defensive measure against
···
 	data->bus->parent	= dev;
 	data->bus->priv		= data;
 
+	/* Select default pin state */
+	pinctrl_pm_select_default_state(&pdev->dev);
+
 	pm_runtime_enable(&pdev->dev);
 	pm_runtime_get_sync(&pdev->dev);
 	data->clk = clk_get(&pdev->dev, "fck");
···
 	data->suspended = true;
 	spin_unlock(&data->lock);
 
+	/* Select sleep pin state */
+	pinctrl_pm_select_sleep_state(dev);
+
 	return 0;
 }
 
···
 {
 	struct davinci_mdio_data *data = dev_get_drvdata(dev);
 	u32 ctrl;
+
+	/* Select default pin state */
+	pinctrl_pm_select_default_state(dev);
 
 	spin_lock(&data->lock);
 	pm_runtime_get_sync(data->dev);