linux-kernel - [PATCH net-next v2 11/11] [DO NOT MERGE] net: pcs: lynx: Remove non-device functionality

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Date:   Thu,  3 Nov 2022 17:06:50 -0400
From:   Sean Anderson <sean.anderson@...o.com>
To:     Heiner Kallweit <hkallweit1@...il.com>,
        Russell King <linux@...linux.org.uk>, netdev@...r.kernel.org
Cc:     Vladimir Oltean <olteanv@...il.com>,
        Eric Dumazet <edumazet@...gle.com>,
        Paolo Abeni <pabeni@...hat.com>,
        Jakub Kicinski <kuba@...nel.org>, linux-kernel@...r.kernel.org,
        Andrew Lunn <andrew@...n.ch>,
        Ioana Ciornei <ioana.ciornei@....com>,
        Madalin Bucur <madalin.bucur@....com>,
        "David S . Miller" <davem@...emloft.net>,
        Sean Anderson <sean.anderson@...o.com>
Subject: [PATCH net-next v2 11/11] [DO NOT MERGE] net: pcs: lynx: Remove non-device functionality

As all former consumers of non-device lynx PCSs have been removed, we
can now remove the remaining functions retained for backwards-
compatibility.

Signed-off-by: Sean Anderson <sean.anderson@...o.com>
---

(no changes since v1)

 drivers/net/pcs/pcs-lynx.c | 51 +++++---------------------------------
 include/linux/pcs-lynx.h   |  5 ----
 2 files changed, 6 insertions(+), 50 deletions(-)

diff --git a/drivers/net/pcs/pcs-lynx.c b/drivers/net/pcs/pcs-lynx.c
index 3ea402049ef1..df9e8ad3f728 100644
--- a/drivers/net/pcs/pcs-lynx.c
+++ b/drivers/net/pcs/pcs-lynx.c
@@ -38,15 +38,6 @@ 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)
@@ -322,57 +313,28 @@ static const struct phylink_pcs_ops lynx_pcs_phylink_ops = {
 	.pcs_link_up = lynx_pcs_link_up,
 };
 
-struct phylink_pcs *lynx_pcs_create(struct mdio_device *mdio)
+static int lynx_pcs_probe(struct mdio_device *mdio)
 {
+	struct device *dev = &mdio->dev;
 	struct lynx_pcs *lynx;
+	int ret;
 
 	lynx = kzalloc(sizeof(*lynx), GFP_KERNEL);
 	if (!lynx)
-		return NULL;
+		return -ENOMEM;
 
 	lynx->mdio = mdio;
+	lynx->pcs.dev = dev;
 	lynx->pcs.ops = &lynx_pcs_phylink_ops;
 	lynx->pcs.poll = true;
 
-	return lynx_to_phylink_pcs(lynx);
-}
-EXPORT_SYMBOL_GPL(lynx_pcs_create);
-
-static int lynx_pcs_probe(struct mdio_device *mdio)
-{
-	struct device *dev = &mdio->dev;
-	struct phylink_pcs *pcs;
-	int ret;
-
-	pcs = lynx_pcs_create(mdio);
-	if (!pcs)
-		return -ENOMEM;
-
-	dev_set_drvdata(dev, pcs);
-	pcs->dev = dev;
-	ret = pcs_register(pcs);
+	ret = devm_pcs_register(dev, &lynx->pcs);
 	if (ret)
 		return dev_err_probe(dev, ret, "could not register PCS\n");
 	dev_info(dev, "probed\n");
 	return 0;
 }
 
-void lynx_pcs_destroy(struct phylink_pcs *pcs)
-{
-	struct lynx_pcs *lynx = phylink_pcs_to_lynx(pcs);
-
-	kfree(lynx);
-}
-EXPORT_SYMBOL(lynx_pcs_destroy);
-
-static void lynx_pcs_remove(struct mdio_device *mdio)
-{
-	struct phylink_pcs *pcs = dev_get_drvdata(&mdio->dev);
-
-	pcs_unregister(pcs);
-	lynx_pcs_destroy(pcs);
-}
-
 static const struct of_device_id lynx_pcs_of_match[] = {
 	{ .compatible = "fsl,lynx-pcs" },
 	{ },
@@ -381,7 +343,6 @@ MODULE_DEVICE_TABLE(of, lynx_pcs_of_match);
 
 static struct mdio_driver lynx_pcs_driver = {
 	.probe = lynx_pcs_probe,
-	.remove = lynx_pcs_remove,
 	.mdiodrv.driver = {
 		.name = "lynx-pcs",
 		.of_match_table = of_match_ptr(lynx_pcs_of_match),
diff --git a/include/linux/pcs-lynx.h b/include/linux/pcs-lynx.h
index ef073b28fae9..f8fe134c63e5 100644
--- a/include/linux/pcs-lynx.h
+++ b/include/linux/pcs-lynx.h
@@ -10,12 +10,7 @@ struct device;
 struct mii_bus;
 struct phylink_pcs;
 
-struct mdio_device *lynx_get_mdio_device(struct phylink_pcs *pcs);
-
-struct phylink_pcs *lynx_pcs_create(struct mdio_device *mdio);
 struct phylink_pcs *lynx_pcs_create_on_bus(struct device *dev,
 					   struct mii_bus *bus, int addr);
 
-void lynx_pcs_destroy(struct phylink_pcs *pcs);
-
 #endif /* __LINUX_PCS_LYNX_H */
-- 
2.35.1.1320.gc452695387.dirty