linux-kernel - [PATCH net-next v4 2/6] net: ravb: Keep the reverse order of operations in ravb

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Date: Wed, 14 Feb 2024 15:57:56 +0200
From: Claudiu <claudiu.beznea@...on.dev>
To: s.shtylyov@....ru,
	davem@...emloft.net,
	edumazet@...gle.com,
	kuba@...nel.org,
	pabeni@...hat.com,
	biju.das.jz@...renesas.com
Cc: netdev@...r.kernel.org,
	linux-renesas-soc@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	claudiu.beznea@...on.dev,
	Claudiu Beznea <claudiu.beznea.uj@...renesas.com>
Subject: [PATCH net-next v4 2/6] net: ravb: Keep the reverse order of operations in ravb_close()

From: Claudiu Beznea <claudiu.beznea.uj@...renesas.com>

Keep the reverse order of operations in ravb_close() when compared with
ravb_open(). This is the recommended configuration sequence.

Signed-off-by: Claudiu Beznea <claudiu.beznea.uj@...renesas.com>
Reviewed-by: Sergey Shtylyov <s.shtylyov@....ru>
---

Changes in v4:
- none

Changes in v3:
- none

Changes in v2:
- none

Changes since [2]:
- none

Changes in v3 of [2]:
- fixed typos in patch description
- collected tags

Changes in v2 of [2]:
- none; this patch is new

[2] https://lore.kernel.org/all/20240105082339.1468817-1-claudiu.beznea.uj@bp.renesas.com/

 drivers/net/ethernet/renesas/ravb_main.c | 16 ++++++++--------
 1 file changed, 8 insertions(+), 8 deletions(-)

diff --git a/drivers/net/ethernet/renesas/ravb_main.c b/drivers/net/ethernet/renesas/ravb_main.c
index a1bf54de0e4c..c81cbd81826e 100644
--- a/drivers/net/ethernet/renesas/ravb_main.c
+++ b/drivers/net/ethernet/renesas/ravb_main.c
@@ -2321,6 +2321,14 @@ static int ravb_close(struct net_device *ndev)
 	ravb_write(ndev, 0, RIC2);
 	ravb_write(ndev, 0, TIC);
 
+	/* PHY disconnect */
+	if (ndev->phydev) {
+		phy_stop(ndev->phydev);
+		phy_disconnect(ndev->phydev);
+		if (of_phy_is_fixed_link(np))
+			of_phy_deregister_fixed_link(np);
+	}
+
 	/* Stop PTP Clock driver */
 	if (info->gptp || info->ccc_gac)
 		ravb_ptp_stop(ndev);
@@ -2339,14 +2347,6 @@ static int ravb_close(struct net_device *ndev)
 		}
 	}
 
-	/* PHY disconnect */
-	if (ndev->phydev) {
-		phy_stop(ndev->phydev);
-		phy_disconnect(ndev->phydev);
-		if (of_phy_is_fixed_link(np))
-			of_phy_deregister_fixed_link(np);
-	}
-
 	cancel_work_sync(&priv->work);
 
 	if (info->nc_queues)
-- 
2.39.2