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drivers: net: davinci_mdio: use pinctrl PM helpers

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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>
This commit is contained in:
Mugunthan V N 2013-06-06 23:45:15 +05:30 committed by Linus Walleij
parent 739683b48d
commit 5c0e3580cb
1 changed files with 10 additions and 0 deletions
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10
drivers/net/ethernet/ti/davinci_mdio.c
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@ -38,6 +38,7 @@
#include <linux/davinci_emac.h> #include <linux/davinci_emac.h>
#include <linux/of.h> #include <linux/of.h>
#include <linux/of_device.h> #include <linux/of_device.h>
#include <linux/pinctrl/consumer.h>
/* /*
* This timeout definition is a worst-case ultra defensive measure against * 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->parent = dev;
data->bus->priv = data; data->bus->priv = data;
/* Select default pin state */
pinctrl_pm_select_default_state(&pdev->dev);
pm_runtime_enable(&pdev->dev); pm_runtime_enable(&pdev->dev);
pm_runtime_get_sync(&pdev->dev); pm_runtime_get_sync(&pdev->dev);
data->clk = clk_get(&pdev->dev, "fck"); data->clk = clk_get(&pdev->dev, "fck");
@ -454,6 +458,9 @@ static int davinci_mdio_suspend(struct device *dev)
data->suspended = true; data->suspended = true;
spin_unlock(&data->lock); spin_unlock(&data->lock);
/* Select sleep pin state */
pinctrl_pm_select_sleep_state(dev);
return 0; return 0;
} }
@ -462,6 +469,9 @@ static int davinci_mdio_resume(struct device *dev)
struct davinci_mdio_data *data = dev_get_drvdata(dev); struct davinci_mdio_data *data = dev_get_drvdata(dev);
u32 ctrl; u32 ctrl;
/* Select default pin state */
pinctrl_pm_select_default_state(dev);
spin_lock(&data->lock); spin_lock(&data->lock);
pm_runtime_get_sync(data->dev); pm_runtime_get_sync(data->dev);