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>

diff --git a/drivers/net/ethernet/socionext/sni_ave.c b/drivers/net/ethernet/socionext/sni_ave.c
index 96b8030..1f9ef68 100644 (file)
--- 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)