net: sh_eth: Disable WoL if system can not suspend

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>

diff --git a/drivers/net/ethernet/renesas/sh_eth.c b/drivers/net/ethernet/renesas/sh_eth.c
index 5a367c5523bb860f31671fbd148e8e77daa7fa8f..6fb0ffc1c8441242b7efcf2648583d362ad5068d 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 */