net: phy: lynx: refactor Lynx PCS module to use generic phylink_pcs

Remove references to lynx_pcs structures so drivers like the Felix DSA
can reference alternate PCS drivers.

Signed-off-by: Colin Foster <colin.foster@in-advantage.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/drivers/net/dsa/ocelot/seville_vsc9953.c b/drivers/net/dsa/ocelot/seville_vsc9953.c
index e110550..d34d0f7 100644
--- a/drivers/net/dsa/ocelot/seville_vsc9953.c
+++ b/drivers/net/dsa/ocelot/seville_vsc9953.c
@@ -1012,7 +1012,7 @@ static int vsc9953_mdio_bus_alloc(struct ocelot *ocelot)
 	int rc;
 
 	felix->pcs = devm_kcalloc(dev, felix->info->num_ports,
-				  sizeof(struct phy_device *),
+				  sizeof(struct phylink_pcs *),
 				  GFP_KERNEL);
 	if (!felix->pcs) {
 		dev_err(dev, "failed to allocate array for PCS PHYs\n");
@@ -1039,9 +1039,9 @@ static int vsc9953_mdio_bus_alloc(struct ocelot *ocelot)
 
 	for (port = 0; port < felix->info->num_ports; port++) {
 		struct ocelot_port *ocelot_port = ocelot->ports[port];
-		int addr = port + 4;
+		struct phylink_pcs *phylink_pcs;
 		struct mdio_device *pcs;
-		struct lynx_pcs *lynx;
+		int addr = port + 4;
 
 		if (dsa_is_unused_port(felix->ds, port))
 			continue;
@@ -1053,13 +1053,13 @@ static int vsc9953_mdio_bus_alloc(struct ocelot *ocelot)
 		if (IS_ERR(pcs))
 			continue;
 
-		lynx = lynx_pcs_create(pcs);
-		if (!lynx) {
+		phylink_pcs = lynx_pcs_create(pcs);
+		if (!phylink_pcs) {
 			mdio_device_free(pcs);
 			continue;
 		}
 
-		felix->pcs[port] = lynx;
+		felix->pcs[port] = phylink_pcs;
 
 		dev_info(dev, "Found PCS at internal MDIO address %d\n", addr);
 	}
@@ -1073,13 +1073,15 @@ static void vsc9953_mdio_bus_free(struct ocelot *ocelot)
 	int port;
 
 	for (port = 0; port < ocelot->num_phys_ports; port++) {
-		struct lynx_pcs *pcs = felix->pcs[port];
+		struct phylink_pcs *phylink_pcs = felix->pcs[port];
+		struct mdio_device *mdio_device;
 
-		if (!pcs)
+		if (!phylink_pcs)
 			continue;
 
-		mdio_device_free(pcs->mdio);
-		lynx_pcs_destroy(pcs);
+		mdio_device = lynx_get_mdio_device(phylink_pcs);
+		mdio_device_free(mdio_device);
+		lynx_pcs_destroy(phylink_pcs);
 	}
 	mdiobus_unregister(felix->imdio);
 }