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 <mugunthanvnm@ti.com>
Acked-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>

diff --git a/drivers/net/ethernet/ti/davinci_mdio.c b/drivers/net/ethernet/ti/davinci_mdio.c
index 12aec173564ca6fdc6b6e15ab8a8dcc0c293c9a4..5e361f411ea4f1d83e1e2fbda852f0491cd40eca 100644 (file)
--- a/drivers/net/ethernet/ti/davinci_mdio.c
+++ b/drivers/net/ethernet/ti/davinci_mdio.c
@@ -38,6 +38,7 @@
 #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
@@ -347,6 +348,9 @@ static int davinci_mdio_probe(struct platform_device *pdev)
        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");
@@ -454,6 +458,9 @@ static int davinci_mdio_suspend(struct device *dev)
        data->suspended = true;
        spin_unlock(&data->lock);
 
+       /* Select sleep pin state */
+       pinctrl_pm_select_sleep_state(dev);
+
        return 0;
 }
 
@@ -462,6 +469,9 @@ static int davinci_mdio_resume(struct device *dev)
        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);