1 files changed, 16 insertions, 44 deletions

diff --git a/net/dsa/port.c b/net/dsa/port.c
index 25258b33e59e..082573ae6864 100644
--- a/net/dsa/port.c
+++ b/net/dsa/port.c
@@ -116,19 +116,15 @@ static bool dsa_port_can_configure_learning(struct dsa_port *dp)
 
 bool dsa_port_supports_hwtstamp(struct dsa_port *dp)
 {
+	struct kernel_hwtstamp_config config = {};
 	struct dsa_switch *ds = dp->ds;
-	struct ifreq ifr = {};
 	int err;
 
 	if (!ds->ops->port_hwtstamp_get || !ds->ops->port_hwtstamp_set)
 		return false;
 
-	/* "See through" shim implementations of the "get" method.
-	 * Since we can't cook up a complete ioctl request structure, this will
-	 * fail in copy_to_user() with -EFAULT, which hopefully is enough to
-	 * detect a valid implementation.
-	 */
-	err = ds->ops->port_hwtstamp_get(ds, dp->index, &ifr);
+	/* "See through" shim implementations of the "get" method. */
+	err = ds->ops->port_hwtstamp_get(ds, dp->index, &config);
 	return err != -EOPNOTSUPP;
 }
 
@@ -1575,44 +1571,32 @@ void dsa_port_set_tag_protocol(struct dsa_port *cpu_dp,
 	cpu_dp->tag_ops = tag_ops;
 }
 
-static struct phylink_pcs *
-dsa_port_phylink_mac_select_pcs(struct phylink_config *config,
-				phy_interface_t interface)
+/* dsa_supports_eee - indicate that EEE is supported
+ * @ds: pointer to &struct dsa_switch
+ * @port: port index
+ *
+ * A default implementation for the .support_eee() DSA operations member,
+ * which drivers can use to indicate that they support EEE on all of their
+ * user ports.
+ *
+ * Returns: true
+ */
+bool dsa_supports_eee(struct dsa_switch *ds, int port)
 {
-	struct dsa_port *dp = dsa_phylink_to_port(config);
-	struct phylink_pcs *pcs = ERR_PTR(-EOPNOTSUPP);
-	struct dsa_switch *ds = dp->ds;
-
-	if (ds->ops->phylink_mac_select_pcs)
-		pcs = ds->ops->phylink_mac_select_pcs(ds, dp->index, interface);
-
-	return pcs;
+	return true;
 }
+EXPORT_SYMBOL_GPL(dsa_supports_eee);
 
 static void dsa_port_phylink_mac_config(struct phylink_config *config,
 					unsigned int mode,
 					const struct phylink_link_state *state)
 {
-	struct dsa_port *dp = dsa_phylink_to_port(config);
-	struct dsa_switch *ds = dp->ds;
-
-	if (!ds->ops->phylink_mac_config)
-		return;
-
-	ds->ops->phylink_mac_config(ds, dp->index, mode, state);
 }
 
 static void dsa_port_phylink_mac_link_down(struct phylink_config *config,
 					   unsigned int mode,
 					   phy_interface_t interface)
 {
-	struct dsa_port *dp = dsa_phylink_to_port(config);
-	struct dsa_switch *ds = dp->ds;
-
-	if (!ds->ops->phylink_mac_link_down)
-		return;
-
-	ds->ops->phylink_mac_link_down(ds, dp->index, mode, interface);
 }
 
 static void dsa_port_phylink_mac_link_up(struct phylink_config *config,
@@ -1622,18 +1606,9 @@ static void dsa_port_phylink_mac_link_up(struct phylink_config *config,
 					 int speed, int duplex,
 					 bool tx_pause, bool rx_pause)
 {
-	struct dsa_port *dp = dsa_phylink_to_port(config);
-	struct dsa_switch *ds = dp->ds;
-
-	if (!ds->ops->phylink_mac_link_up)
-		return;
-
-	ds->ops->phylink_mac_link_up(ds, dp->index, mode, interface, phydev,
-				     speed, duplex, tx_pause, rx_pause);
 }
 
 static const struct phylink_mac_ops dsa_port_phylink_mac_ops = {
-	.mac_select_pcs = dsa_port_phylink_mac_select_pcs,
 	.mac_config = dsa_port_phylink_mac_config,
 	.mac_link_down = dsa_port_phylink_mac_link_down,
 	.mac_link_up = dsa_port_phylink_mac_link_up,
@@ -1871,9 +1846,6 @@ static void dsa_shared_port_link_down(struct dsa_port *dp)
 	if (ds->phylink_mac_ops && ds->phylink_mac_ops->mac_link_down)
 		ds->phylink_mac_ops->mac_link_down(&dp->pl_config, MLO_AN_FIXED,
 						   PHY_INTERFACE_MODE_NA);
-	else if (ds->ops->phylink_mac_link_down)
-		ds->ops->phylink_mac_link_down(ds, dp->index, MLO_AN_FIXED,
-					       PHY_INTERFACE_MODE_NA);
 }
 
 int dsa_shared_port_link_register_of(struct dsa_port *dp)