Merge branch 'r8169-fixes'

Chunhao Lin says:

====================
r8169: fix 3 runtime pm related issues.

v2:
use "struct device *d = &tp->pci_dev->dev" instead of "struct pci_dev *pdev = tp->pci_dev"

v1:
This series of patches fix 3 runtime pm related issues that are listed below.
====================

Signed-off-by: David S. Miller <davem@davemloft.net>

drivers/net/ethernet/realtek/r8169.c

@@ -1749,13 +1749,21 @@ static u32 __rtl8169_get_wol(struct rtl8169_private *tp)
 static void rtl8169_get_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
 {
 	struct rtl8169_private *tp = netdev_priv(dev);
+	struct device *d = &tp->pci_dev->dev;
+
+	pm_runtime_get_noresume(d);
 
 	rtl_lock_work(tp);
 
 	wol->supported = WAKE_ANY;
-	wol->wolopts = __rtl8169_get_wol(tp);
+	if (pm_runtime_active(d))
+		wol->wolopts = __rtl8169_get_wol(tp);
+	else
+		wol->wolopts = tp->saved_wolopts;
 
 	rtl_unlock_work(tp);
+
+	pm_runtime_put_noidle(d);
 }
 
 static void __rtl8169_set_wol(struct rtl8169_private *tp, u32 wolopts)
@@ -1845,6 +1853,9 @@ static void __rtl8169_set_wol(struct rtl8169_private *tp, u32 wolopts)
 static int rtl8169_set_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
 {
 	struct rtl8169_private *tp = netdev_priv(dev);
+	struct device *d = &tp->pci_dev->dev;
+
+	pm_runtime_get_noresume(d);
 
 	rtl_lock_work(tp);
 
@@ -1852,12 +1863,17 @@ static int rtl8169_set_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
 		tp->features |= RTL_FEATURE_WOL;
 	else
 		tp->features &= ~RTL_FEATURE_WOL;
-	__rtl8169_set_wol(tp, wol->wolopts);
+	if (pm_runtime_active(d))
+		__rtl8169_set_wol(tp, wol->wolopts);
+	else
+		tp->saved_wolopts = wol->wolopts;
 
 	rtl_unlock_work(tp);
 
 	device_set_wakeup_enable(&tp->pci_dev->dev, wol->wolopts);
 
+	pm_runtime_put_noidle(d);
+
 	return 0;
 }
 
@@ -2292,11 +2308,17 @@ static void rtl8169_get_ethtool_stats(struct net_device *dev,
 				      struct ethtool_stats *stats, u64 *data)
 {
 	struct rtl8169_private *tp = netdev_priv(dev);
+	struct device *d = &tp->pci_dev->dev;
 	struct rtl8169_counters *counters = tp->counters;
 
 	ASSERT_RTNL();
 
-	rtl8169_update_counters(dev);
+	pm_runtime_get_noresume(d);
+
+	if (pm_runtime_active(d))
+		rtl8169_update_counters(dev);
+
+	pm_runtime_put_noidle(d);
 
 	data[0] = le64_to_cpu(counters->tx_packets);
 	data[1] = le64_to_cpu(counters->rx_packets);
@@ -4458,6 +4480,7 @@ static void rtl_rar_set(struct rtl8169_private *tp, u8 *addr)
 static int rtl_set_mac_address(struct net_device *dev, void *p)
 {
 	struct rtl8169_private *tp = netdev_priv(dev);
+	struct device *d = &tp->pci_dev->dev;
 	struct sockaddr *addr = p;
 
 	if (!is_valid_ether_addr(addr->sa_data))
@@ -4465,7 +4488,12 @@ static int rtl_set_mac_address(struct net_device *dev, void *p)
 
 	memcpy(dev->dev_addr, addr->sa_data, dev->addr_len);
 
-	rtl_rar_set(tp, dev->dev_addr);
+	pm_runtime_get_noresume(d);
+
+	if (pm_runtime_active(d))
+		rtl_rar_set(tp, dev->dev_addr);
+
+	pm_runtime_put_noidle(d);
 
 	return 0;
 }
@@ -7868,6 +7896,7 @@ static int rtl8169_runtime_resume(struct device *device)
 	struct pci_dev *pdev = to_pci_dev(device);
 	struct net_device *dev = pci_get_drvdata(pdev);
 	struct rtl8169_private *tp = netdev_priv(dev);
+	rtl_rar_set(tp, dev->dev_addr);
 
 	if (!tp->TxDescArray)
 		return 0;