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From: Raju Rangoju <Raju.Rangoju@amd.com>
To: <netdev@vger.kernel.org>
Cc: <linux-kernel@vger.kernel.org>, <pabeni@redhat.com>,
	<kuba@kernel.org>, <edumazet@google.com>, <davem@davemloft.net>,
	<andrew+netdev@lunn.ch>, <horms@kernel.org>,
	<Shyam-sundar.S-k@amd.com>, Raju Rangoju <Raju.Rangoju@amd.com>,
	Maxime Chevallier <maxime.chevallier@bootlin.com>
Subject: [PATCH v3 net 3/3] amd-xgbe: reset PHY settings before starting PHY
Date: Fri, 6 Mar 2026 16:46:29 +0530	[thread overview]
Message-ID: <20260306111629.1515676-4-Raju.Rangoju@amd.com> (raw)
In-Reply-To: <20260306111629.1515676-1-Raju.Rangoju@amd.com>

commit f93505f35745 ("amd-xgbe: let the MAC manage PHY PM") moved
xgbe_phy_reset() from xgbe_open() to xgbe_start(), placing it after
phy_start(). As a result, the PHY settings were being reset after the
PHY had already started.

Reorder the calls so that the PHY settings are reset before
phy_start() is invoked.

Fixes: f93505f35745 ("amd-xgbe: let the MAC manage PHY PM")
Reviewed-by: Maxime Chevallier <maxime.chevallier@bootlin.com>
Signed-off-by: Raju Rangoju <Raju.Rangoju@amd.com>
---
 drivers/net/ethernet/amd/xgbe/xgbe-drv.c | 15 ++++++---------
 1 file changed, 6 insertions(+), 9 deletions(-)

diff --git a/drivers/net/ethernet/amd/xgbe/xgbe-drv.c b/drivers/net/ethernet/amd/xgbe/xgbe-drv.c
index 39da2f811858..23beea48ae26 100644
--- a/drivers/net/ethernet/amd/xgbe/xgbe-drv.c
+++ b/drivers/net/ethernet/amd/xgbe/xgbe-drv.c
@@ -1271,6 +1271,12 @@ static int xgbe_start(struct xgbe_prv_data *pdata)
 	if (ret)
 		goto err_napi;
 
+	/* Reset the phy settings */
+	ret = xgbe_phy_reset(pdata);
+	if (ret)
+		goto err_irqs;
+
+	/* Start the phy */
 	ret = phy_if->phy_start(pdata);
 	if (ret)
 		goto err_irqs;
@@ -1284,11 +1290,6 @@ static int xgbe_start(struct xgbe_prv_data *pdata)
 
 	udp_tunnel_nic_reset_ntf(netdev);
 
-	/* Reset the phy settings */
-	ret = xgbe_phy_reset(pdata);
-	if (ret)
-		goto err_txrx;
-
 	netif_tx_start_all_queues(netdev);
 
 	xgbe_start_timers(pdata);
@@ -1298,10 +1299,6 @@ static int xgbe_start(struct xgbe_prv_data *pdata)
 
 	return 0;
 
-err_txrx:
-	hw_if->disable_rx(pdata);
-	hw_if->disable_tx(pdata);
-
 err_irqs:
 	xgbe_free_irqs(pdata);
 
-- 
2.34.1


  parent reply	other threads:[~2026-03-06 11:18 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-03-06 11:16 [PATCH v3 net 0/3] amd-xgbe: RX adaptation and PHY handling fixes Raju Rangoju
2026-03-06 11:16 ` [PATCH v3 net 1/3] amd-xgbe: fix link status handling in xgbe_rx_adaptation Raju Rangoju
2026-03-06 11:16 ` [PATCH v3 net 2/3] amd-xgbe: prevent CRC errors during RX adaptation with AN disabled Raju Rangoju
2026-03-10 11:06   ` Paolo Abeni
2026-03-06 11:16 ` Raju Rangoju [this message]
2026-03-10 11:20 ` [PATCH v3 net 0/3] amd-xgbe: RX adaptation and PHY handling fixes patchwork-bot+netdevbpf

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