linux-kernel - [PATCH] net: phy: Add sysfs attribute for PHY c45 identifiers.

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Date:   Mon, 12 Jun 2023 22:04:26 +0800
From:   Jianhui Zhao <zhaojh329@...il.com>
To:     zhaojh329@...il.com
Cc:     andrew@...n.ch, davem@...emloft.net, edumazet@...gle.com,
        hkallweit1@...il.com, kuba@...nel.org,
        linux-kernel@...r.kernel.org, linux@...linux.org.uk,
        netdev@...r.kernel.org, pabeni@...hat.com
Subject: [PATCH] net: phy: Add sysfs attribute for PHY c45 identifiers.

diff --git a/drivers/net/phy/phy_device.c b/drivers/net/phy/phy_device.c
index 17d0d0555a79..81a4bc043ee2 100644
--- a/drivers/net/phy/phy_device.c
+++ b/drivers/net/phy/phy_device.c
@@ -541,8 +541,10 @@ static int phy_bus_match(struct device *dev, struct device_driver *drv)
 
 			if ((phydrv->phy_id & phydrv->phy_id_mask) ==
 			    (phydev->c45_ids.device_ids[i] &
-			     phydrv->phy_id_mask))
+			     phydrv->phy_id_mask)) {
+				phydev->phy_id = phydev->c45_ids.device_ids[i];
 				return 1;
+			}
 		}
 		return 0;
 	} else {

How about modifying it like this?