net: ethernet: ave: Preserve wol state in suspend/resume sequence

Since the wol state forces to be initialized after reset, the state should
be preserved in suspend/resume sequence.

Signed-off-by: Kunihiko Hayashi <hayashi.kunihiko@socionext.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 10 insertions, 0 deletions

diff --git a/drivers/net/ethernet/socionext/sni_ave.c b/drivers/net/ethernet/socionext/sni_ave.c
index 96b80309e36d..1f9ef68d91ee 100644
--- a/drivers/net/ethernet/socionext/sni_ave.c
+++ b/drivers/net/ethernet/socionext/sni_ave.c
@@ -261,6 +261,7 @@ struct ave_private {
         struct regmap           *regmap;
         unsigned int            pinmode_mask;
         unsigned int            pinmode_val;
+        u32                     wolopts;
 
         /* stats */
         struct ave_stats        stats_rx;
@@ -1741,6 +1742,7 @@ static int ave_remove(struct platform_device *pdev)
 #ifdef CONFIG_PM_SLEEP
 static int ave_suspend(struct device *dev)
 {
+        struct ethtool_wolinfo wol = { .cmd = ETHTOOL_GWOL };
         struct net_device *ndev = dev_get_drvdata(dev);
         struct ave_private *priv = netdev_priv(ndev);
         int ret = 0;
@@ -1750,17 +1752,25 @@ static int ave_suspend(struct device *dev)
                 netif_device_detach(ndev);
         }
 
+        ave_ethtool_get_wol(ndev, &wol);
+        priv->wolopts = wol.wolopts;
+
         return ret;
 }
 
 static int ave_resume(struct device *dev)
 {
+        struct ethtool_wolinfo wol = { .cmd = ETHTOOL_GWOL };
         struct net_device *ndev = dev_get_drvdata(dev);
         struct ave_private *priv = netdev_priv(ndev);
         int ret = 0;
 
         ave_global_reset(ndev);
 
+        ave_ethtool_get_wol(ndev, &wol);
+        wol.wolopts = priv->wolopts;
+        ave_ethtool_set_wol(ndev, &wol);
+
         if (ndev->phydev) {
                 ret = phy_resume(ndev->phydev);
                 if (ret)