linux-kernel - [PATCH net-next v2 10/15] net: ftgmac100: Simplify legacy MDIO setup

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Message-ID: <20260116-ftgmac-cleanup-v2-10-81f41f01f2a8@aspeedtech.com>
Date: Fri, 16 Jan 2026 10:09:21 +0800
From: Jacky Chou <jacky_chou@...eedtech.com>
To: Andrew Lunn <andrew+netdev@...n.ch>, "David S. Miller"
	<davem@...emloft.net>, Eric Dumazet <edumazet@...gle.com>, Jakub Kicinski
	<kuba@...nel.org>, Paolo Abeni <pabeni@...hat.com>
CC: <netdev@...r.kernel.org>, <linux-kernel@...r.kernel.org>, Andrew Lunn
	<andrew@...n.ch>, Jacky Chou <jacky_chou@...eedtech.com>, Simon Horman
	<horms@...nel.org>
Subject: [PATCH net-next v2 10/15] net: ftgmac100: Simplify legacy MDIO
 setup

From: Andrew Lunn <andrew@...n.ch>

There are old device trees which place the PHY nodes directly in the
MAC nodes, rather than within an MDIO container node.

The probe logic indicates that the use of NCSI and the legacy
placement of PHYs is mutually exclusive. Hence priv->use_ncsi cannot
be true, so there is no reason to set it false.

Signed-off-by: Andrew Lunn <andrew@...n.ch>
Reviewed-by: Simon Horman <horms@...nel.org>
Signed-off-by: Jacky Chou <jacky_chou@...eedtech.com>
---
 drivers/net/ethernet/faraday/ftgmac100.c | 2 --
 1 file changed, 2 deletions(-)

diff --git a/drivers/net/ethernet/faraday/ftgmac100.c b/drivers/net/ethernet/faraday/ftgmac100.c
index 931fdf3d07d1..f5e69abb1fcf 100644
--- a/drivers/net/ethernet/faraday/ftgmac100.c
+++ b/drivers/net/ethernet/faraday/ftgmac100.c
@@ -1994,8 +1994,6 @@ static int ftgmac100_probe(struct platform_device *pdev)
 		 * child node. Automatically scan the MDIO bus for available
 		 * PHYs.
 		 */
-		priv->use_ncsi = false;
-
 		err = ftgmac100_mii_probe(netdev);
 		if (err) {
 			dev_err(priv->dev, "MII probe failed!\n");

-- 
2.34.1