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Message-Id: <20240703132801.623218-1-o.rempel@pengutronix.de>
Date: Wed,  3 Jul 2024 15:28:00 +0200
From: Oleksij Rempel <o.rempel@...gutronix.de>
To: "David S. Miller" <davem@...emloft.net>,
	Andrew Lunn <andrew@...n.ch>,
	Eric Dumazet <edumazet@...gle.com>,
	Florian Fainelli <f.fainelli@...il.com>,
	Jakub Kicinski <kuba@...nel.org>,
	Paolo Abeni <pabeni@...hat.com>,
	Woojung Huh <woojung.huh@...rochip.com>,
	Arun Ramadoss <arun.ramadoss@...rochip.com>,
	Heiner Kallweit <hkallweit1@...il.com>,
	Russell King <linux@...linux.org.uk>,
	Yuiko Oshino <yuiko.oshino@...rochip.com>
Cc: Oleksij Rempel <o.rempel@...gutronix.de>,
	kernel@...gutronix.de,
	linux-kernel@...r.kernel.org,
	netdev@...r.kernel.org,
	UNGLinuxDriver@...rochip.com
Subject: [PATCH net v1 1/2] net: phy: microchip: lan87xx: reinit PHY after cable test

Reinit PHY after cable test, otherwise link can't be established on
tested port. This issue is reproducible on LAN9372 switches with
integrated 100BaseT1 PHYs.

Fixes: 788050256c411 ("net: phy: microchip_t1: add cable test support for lan87xx phy")
Signed-off-by: Oleksij Rempel <o.rempel@...gutronix.de>
---
 drivers/net/phy/microchip_t1.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/net/phy/microchip_t1.c b/drivers/net/phy/microchip_t1.c
index a838b61cd844b..a35528497a576 100644
--- a/drivers/net/phy/microchip_t1.c
+++ b/drivers/net/phy/microchip_t1.c
@@ -748,7 +748,7 @@ static int lan87xx_cable_test_report(struct phy_device *phydev)
 	ethnl_cable_test_result(phydev, ETHTOOL_A_CABLE_PAIR_A,
 				lan87xx_cable_test_report_trans(detect));
 
-	return 0;
+	return phy_init_hw(phydev);
 }
 
 static int lan87xx_cable_test_get_status(struct phy_device *phydev,
-- 
2.39.2


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