net: dsa: microchip: move get_strings to ksz_common

ksz8795 and ksz9477 uses the same algorithm for copying the ethtool
strings. Hence moved to ksz_common to remove the redundant code.
Signed-off-by: Arun Ramadoss <arun.ramadoss@microchip.com>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Reviewed-by: Vladimir Oltean <olteanv@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

drivers/net/dsa/microchip/ksz8795.c

@@ -923,18 +923,6 @@ static u32 ksz8_sw_get_phy_flags(struct dsa_switch *ds, int port)
 	return 0;
 }
 
-static void ksz8_get_strings(struct dsa_switch *ds, int port,
-			     u32 stringset, uint8_t *buf)
-{
-	struct ksz_device *dev = ds->priv;
-	int i;
-
-	for (i = 0; i < dev->info->mib_cnt; i++) {
-		memcpy(buf + i * ETH_GSTRING_LEN,
-		       dev->info->mib_names[i].string, ETH_GSTRING_LEN);
-	}
-}
-
 static void ksz8_cfg_port_member(struct ksz_device *dev, int port, u8 member)
 {
 	u8 data;
@@ -1424,7 +1412,7 @@ static const struct dsa_switch_ops ksz8_switch_ops = {
 	.phylink_get_caps	= ksz8_get_caps,
 	.phylink_mac_link_down	= ksz_mac_link_down,
 	.port_enable		= ksz_enable_port,
-	.get_strings		= ksz8_get_strings,
+	.get_strings		= ksz_get_strings,
 	.get_ethtool_stats	= ksz_get_ethtool_stats,
 	.get_sset_count		= ksz_sset_count,
 	.port_bridge_join	= ksz_port_bridge_join,

drivers/net/dsa/microchip/ksz9477.c

@@ -358,21 +358,6 @@ static int ksz9477_phy_write16(struct dsa_switch *ds, int addr, int reg,
 	return 0;
 }
 
-static void ksz9477_get_strings(struct dsa_switch *ds, int port,
-				u32 stringset, uint8_t *buf)
-{
-	struct ksz_device *dev = ds->priv;
-	int i;
-
-	if (stringset != ETH_SS_STATS)
-		return;
-
-	for (i = 0; i < dev->info->mib_cnt; i++) {
-		memcpy(buf + i * ETH_GSTRING_LEN,
-		       dev->info->mib_names[i].string, ETH_GSTRING_LEN);
-	}
-}
-
 static void ksz9477_cfg_port_member(struct ksz_device *dev, int port,
 				    u8 member)
 {
@@ -1341,7 +1326,7 @@ static const struct dsa_switch_ops ksz9477_switch_ops = {
 	.phy_write		= ksz9477_phy_write16,
 	.phylink_mac_link_down	= ksz_mac_link_down,
 	.port_enable		= ksz_enable_port,
-	.get_strings		= ksz9477_get_strings,
+	.get_strings		= ksz_get_strings,
 	.get_ethtool_stats	= ksz_get_ethtool_stats,
 	.get_sset_count		= ksz_sset_count,
 	.port_bridge_join	= ksz_port_bridge_join,

drivers/net/dsa/microchip/ksz_common.c

@@ -418,6 +418,22 @@ void ksz_get_stats64(struct dsa_switch *ds, int port,
 }
 EXPORT_SYMBOL_GPL(ksz_get_stats64);
 
+void ksz_get_strings(struct dsa_switch *ds, int port,
+		     u32 stringset, uint8_t *buf)
+{
+	struct ksz_device *dev = ds->priv;
+	int i;
+
+	if (stringset != ETH_SS_STATS)
+		return;
+
+	for (i = 0; i < dev->info->mib_cnt; i++) {
+		memcpy(buf + i * ETH_GSTRING_LEN,
+		       dev->info->mib_names[i].string, ETH_GSTRING_LEN);
+	}
+}
+EXPORT_SYMBOL_GPL(ksz_get_strings);
+
 void ksz_update_port_member(struct ksz_device *dev, int port)
 {
 	struct ksz_port *p = &dev->ports[port];

drivers/net/dsa/microchip/ksz_common.h

@@ -225,6 +225,8 @@ int ksz_port_mdb_del(struct dsa_switch *ds, int port,
 		     const struct switchdev_obj_port_mdb *mdb,
 		     struct dsa_db db);
 int ksz_enable_port(struct dsa_switch *ds, int port, struct phy_device *phy);
+void ksz_get_strings(struct dsa_switch *ds, int port,
+		     u32 stringset, uint8_t *buf);
 
 /* Common register access functions */