netdev - [PATCH net-next 1/8] net: dpaa2-mac: allow lynx PCS to manage mdiodev lifetime

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Message-Id: <E1q56xm-00BsuT-8I@rmk-PC.armlinux.org.uk>
Date: Fri, 02 Jun 2023 16:45:14 +0100
From: "Russell King (Oracle)" <rmk+kernel@...linux.org.uk>
To: Andrew Lunn <andrew@...n.ch>,
	Heiner Kallweit <hkallweit1@...il.com>
Cc: "David S. Miller" <davem@...emloft.net>,
	Eric Dumazet <edumazet@...gle.com>,
	Ioana Ciornei <ioana.ciornei@....com>,
	Jakub Kicinski <kuba@...nel.org>,
	Madalin Bucur <madalin.bucur@....com>,
	netdev@...r.kernel.org,
	Paolo Abeni <pabeni@...hat.com>,
	Sean Anderson <sean.anderson@...o.com>
Subject: [PATCH net-next 1/8] net: dpaa2-mac: allow lynx PCS to manage mdiodev
 lifetime

Put the mdiodev after lynx_pcs_create() so that the Lynx PCS driver
can manage the lifetime of the mdiodev its using.

Signed-off-by: Russell King (Oracle) <rmk+kernel@...linux.org.uk>
---
 drivers/net/ethernet/freescale/dpaa2/dpaa2-mac.c | 5 +----
 1 file changed, 1 insertion(+), 4 deletions(-)

diff --git a/drivers/net/ethernet/freescale/dpaa2/dpaa2-mac.c b/drivers/net/ethernet/freescale/dpaa2/dpaa2-mac.c
index cb70855e2b9a..c0f7dd3b4ac1 100644
--- a/drivers/net/ethernet/freescale/dpaa2/dpaa2-mac.c
+++ b/drivers/net/ethernet/freescale/dpaa2/dpaa2-mac.c
@@ -271,9 +271,9 @@ static int dpaa2_pcs_create(struct dpaa2_mac *mac,
 	}
 
 	mac->pcs = lynx_pcs_create(mdiodev);
+	mdio_device_put(mdiodev);
 	if (!mac->pcs) {
 		netdev_err(mac->net_dev, "lynx_pcs_create() failed\n");
-		mdio_device_free(mdiodev);
 		return -ENOMEM;
 	}
 
@@ -285,10 +285,7 @@ static void dpaa2_pcs_destroy(struct dpaa2_mac *mac)
 	struct phylink_pcs *phylink_pcs = mac->pcs;
 
 	if (phylink_pcs) {
-		struct mdio_device *mdio = lynx_get_mdio_device(phylink_pcs);
-
 		lynx_pcs_destroy(phylink_pcs);
-		mdio_device_free(mdio);
 		mac->pcs = NULL;
 	}
 }
-- 
2.30.2