net: sh_eth: Disable WoL if system can not suspend

[ Upstream commit 9c02ea544ac35a9def5827d30594406947ccd81a ]

The MAC can't facilitate WoL if the system can't go to sleep. Gate the
WoL support callbacks in ethtool at compile time using CONFIG_PM_SLEEP.

Signed-off-by: Niklas Söderlund <niklas.soderlund+renesas@ragnatech.se>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://patch.msgid.link/20250909085849.3808169-1-niklas.soderlund+renesas@ragnatech.se
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>

diff --git a/drivers/net/ethernet/renesas/sh_eth.c b/drivers/net/ethernet/renesas/sh_eth.c
index 5fc8027c92c7c95bd4e2bd586b996fe1ec1010b7..695fa3592c9a28a570351e1ccf64d821d339a7ef 100644 (file)
--- a/drivers/net/ethernet/renesas/sh_eth.c
+++ b/drivers/net/ethernet/renesas/sh_eth.c
@@ -2360,6 +2360,7 @@ static int sh_eth_set_ringparam(struct net_device *ndev,
        return 0;
 }
 
+#ifdef CONFIG_PM_SLEEP
 static void sh_eth_get_wol(struct net_device *ndev, struct ethtool_wolinfo *wol)
 {
        struct sh_eth_private *mdp = netdev_priv(ndev);
@@ -2386,6 +2387,7 @@ static int sh_eth_set_wol(struct net_device *ndev, struct ethtool_wolinfo *wol)
 
        return 0;
 }
+#endif
 
 static const struct ethtool_ops sh_eth_ethtool_ops = {
        .get_regs_len   = sh_eth_get_regs_len,
@@ -2401,8 +2403,10 @@ static const struct ethtool_ops sh_eth_ethtool_ops = {
        .set_ringparam  = sh_eth_set_ringparam,
        .get_link_ksettings = phy_ethtool_get_link_ksettings,
        .set_link_ksettings = phy_ethtool_set_link_ksettings,
+#ifdef CONFIG_PM_SLEEP
        .get_wol        = sh_eth_get_wol,
        .set_wol        = sh_eth_set_wol,
+#endif
 };
 
 /* network device open function */