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Date: Thu, 6 Jun 2013 23:45:15 +0530
From: Mugunthan V N <mugunthanvnm@...com>
To: <netdev@...r.kernel.org>
CC: <davem@...emloft.net>, <linus.walleij@...aro.org>,
<broonie@...nel.org>, <linux-arm-kernel@...ts.infradead.org>,
<linux-omap@...r.kernel.org>, Mugunthan V N <mugunthanvnm@...com>
Subject: [PATCH 2/2] 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@...com>
---
drivers/net/ethernet/ti/davinci_mdio.c | 10 ++++++++++
1 file changed, 10 insertions(+)
diff --git a/drivers/net/ethernet/ti/davinci_mdio.c b/drivers/net/ethernet/ti/davinci_mdio.c
index 12aec17..5e361f4 100644
--- 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);
--
1.7.9.5
--
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