From: David Wu <david.wu@rock-chips.com>
Date: Mon, 1 Aug 2016 08:38:28 +0000 (+0800)
Subject: ethernet: rockchip: add pd_gmac support for rk3399
X-Git-Tag: firefly_0821_release~1680
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=a96cdb46d92064c6f1f04f0b0d022cca9ca7e0e9;p=firefly-linux-kernel-4.4.55.git

ethernet: rockchip: add pd_gmac support for rk3399

Change-Id: I990e02f585ae9b2ecf99a7e996cd23041ca19a2b
Signed-off-by: David Wu <david.wu@rock-chips.com>
---

diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac-rk.c b/drivers/net/ethernet/stmicro/stmmac/dwmac-rk.c
index 4957618c3b80..16416870910d 100644
--- a/drivers/net/ethernet/stmicro/stmmac/dwmac-rk.c
+++ b/drivers/net/ethernet/stmicro/stmmac/dwmac-rk.c
@@ -30,6 +30,7 @@
 #include <linux/delay.h>
 #include <linux/mfd/syscon.h>
 #include <linux/regmap.h>
+#include <linux/pm_runtime.h>
 
 #include "stmmac_platform.h"
 
@@ -883,6 +884,9 @@ static int rk_gmac_init(struct platform_device *pdev, void *priv)
 	if (ret)
 		return ret;
 
+	pm_runtime_enable(&pdev->dev);
+	pm_runtime_get_sync(&pdev->dev);
+
 	return 0;
 }
 
@@ -890,6 +894,9 @@ static void rk_gmac_exit(struct platform_device *pdev, void *priv)
 {
 	struct rk_priv_data *gmac = priv;
 
+	pm_runtime_put_sync(&pdev->dev);
+	pm_runtime_disable(&pdev->dev);
+
 	phy_power_on(gmac, false);
 	gmac_clk_enable(gmac, false);
 }