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>

1 files changed, 20 insertions, 4 deletions

diff --git a/drivers/net/pcs/pcs-lynx.c b/drivers/net/pcs/pcs-lynx.c
index af36cd647bf5..7ff7f86ad430 100644
--- a/drivers/net/pcs/pcs-lynx.c
+++ b/drivers/net/pcs/pcs-lynx.c
@@ -22,6 +22,11 @@
 #define IF_MODE_SPEED_MSK		GENMASK(3, 2)
 #define IF_MODE_HALF_DUPLEX		BIT(4)
 
+struct lynx_pcs {
+	struct phylink_pcs pcs;
+	struct mdio_device *mdio;
+};
+
 enum sgmii_speed {
 	SGMII_SPEED_10		= 0,
 	SGMII_SPEED_100		= 1,
@@ -30,6 +35,15 @@ enum sgmii_speed {
 };
 
 #define phylink_pcs_to_lynx(pl_pcs) container_of((pl_pcs), struct lynx_pcs, pcs)
+#define lynx_to_phylink_pcs(lynx) (&(lynx)->pcs)
+
+struct mdio_device *lynx_get_mdio_device(struct phylink_pcs *pcs)
+{
+	struct lynx_pcs *lynx = phylink_pcs_to_lynx(pcs);
+
+	return lynx->mdio;
+}
+EXPORT_SYMBOL(lynx_get_mdio_device);
 
 static void lynx_pcs_get_state_usxgmii(struct mdio_device *pcs,
 				       struct phylink_link_state *state)
@@ -329,7 +343,7 @@ static const struct phylink_pcs_ops lynx_pcs_phylink_ops = {
 	.pcs_link_up = lynx_pcs_link_up,
 };
 
-struct lynx_pcs *lynx_pcs_create(struct mdio_device *mdio)
+struct phylink_pcs *lynx_pcs_create(struct mdio_device *mdio)
 {
 	struct lynx_pcs *lynx_pcs;
 
@@ -341,13 +355,15 @@ struct lynx_pcs *lynx_pcs_create(struct mdio_device *mdio)
 	lynx_pcs->pcs.ops = &lynx_pcs_phylink_ops;
 	lynx_pcs->pcs.poll = true;
 
-	return lynx_pcs;
+	return lynx_to_phylink_pcs(lynx_pcs);
 }
 EXPORT_SYMBOL(lynx_pcs_create);
 
-void lynx_pcs_destroy(struct lynx_pcs *pcs)
+void lynx_pcs_destroy(struct phylink_pcs *pcs)
 {
-	kfree(pcs);
+	struct lynx_pcs *lynx = phylink_pcs_to_lynx(pcs);
+
+	kfree(lynx);
 }
 EXPORT_SYMBOL(lynx_pcs_destroy);