linux-kernel - [PATCH 5.10 39/96] net: phy: micrel: Fix link detection on ksz87xx switch"

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Date:   Mon, 16 Aug 2021 15:01:49 +0200
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org, Ben Hutchings <ben.hutchings@...d.be>,
        "David S. Miller" <davem@...emloft.net>,
        Sasha Levin <sashal@...nel.org>
Subject: [PATCH 5.10 39/96] net: phy: micrel: Fix link detection on ksz87xx switch"

From: Ben Hutchings <ben.hutchings@...d.be>

[ Upstream commit 2383cb9497d113360137a2be308b390faa80632d ]

Commit a5e63c7d38d5 "net: phy: micrel: Fix detection of ksz87xx
switch" broke link detection on the external ports of the KSZ8795.

The previously unused phy_driver structure for these devices specifies
config_aneg and read_status functions that appear to be designed for a
fixed link and do not work with the embedded PHYs in the KSZ8795.

Delete the use of these functions in favour of the generic PHY
implementations which were used previously.

Fixes: a5e63c7d38d5 ("net: phy: micrel: Fix detection of ksz87xx switch")
Signed-off-by: Ben Hutchings <ben.hutchings@...d.be>
Signed-off-by: David S. Miller <davem@...emloft.net>
Signed-off-by: Sasha Levin <sashal@...nel.org>
---
 drivers/net/phy/micrel.c | 2 --
 1 file changed, 2 deletions(-)

diff --git a/drivers/net/phy/micrel.c b/drivers/net/phy/micrel.c
index 9a566c5b36a6..69b20a466c61 100644
--- a/drivers/net/phy/micrel.c
+++ b/drivers/net/phy/micrel.c
@@ -1374,8 +1374,6 @@ static struct phy_driver ksphy_driver[] = {
 	.name		= "Micrel KSZ87XX Switch",
 	/* PHY_BASIC_FEATURES */
 	.config_init	= kszphy_config_init,
-	.config_aneg	= ksz8873mll_config_aneg,
-	.read_status	= ksz8873mll_read_status,
 	.match_phy_device = ksz8795_match_phy_device,
 	.suspend	= genphy_suspend,
 	.resume		= genphy_resume,
-- 
2.30.2