drivers: net: cpsw: 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/cpsw.c b/drivers/net/ethernet/ti/cpsw.c
index 21a5b29..807b0e8 100644 (file)
--- a/drivers/net/ethernet/ti/cpsw.c
+++ b/drivers/net/ethernet/ti/cpsw.c
@@ -35,6 +35,7 @@
 #include <linux/if_vlan.h>
 
 #include <linux/platform_data/cpsw.h>
+#include <linux/pinctrl/consumer.h>
 
 #include "cpsw_ale.h"
 #include "cpts.h"
@@ -1689,6 +1690,9 @@ static int cpsw_probe(struct platform_device *pdev)
         */
        pm_runtime_enable(&pdev->dev);
 
+       /* Select default pin state */
+       pinctrl_pm_select_default_state(&pdev->dev);
+
        if (cpsw_probe_dt(&priv->data, pdev)) {
                pr_err("cpsw: platform data missing\n");
                ret = -ENODEV;
@@ -1978,6 +1982,9 @@ static int cpsw_suspend(struct device *dev)
                cpsw_ndo_stop(ndev);
        pm_runtime_put_sync(&pdev->dev);
 
+       /* Select sleep pin state */
+       pinctrl_pm_select_sleep_state(&pdev->dev);
+
        return 0;
 }
 
@@ -1987,6 +1994,10 @@ static int cpsw_resume(struct device *dev)
        struct net_device       *ndev = platform_get_drvdata(pdev);
 
        pm_runtime_get_sync(&pdev->dev);
+
+       /* Select default pin state */
+       pinctrl_pm_select_default_state(&pdev->dev);
+
        if (netif_running(ndev))
                cpsw_ndo_open(ndev);
        return 0;