netdev - [PATCH net-next v1 1/1] net: phy: microchip: document where the LAN88xx PHYs are used

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Message-Id: <20250515082051.2644450-1-o.rempel@pengutronix.de>
Date: Thu, 15 May 2025 10:20:51 +0200
From: Oleksij Rempel <o.rempel@...gutronix.de>
To: Andrew Lunn <andrew@...n.ch>,
	Heiner Kallweit <hkallweit1@...il.com>,
	Russell King <linux@...linux.org.uk>,
	"David S. Miller" <davem@...emloft.net>,
	Eric Dumazet <edumazet@...gle.com>,
	Jakub Kicinski <kuba@...nel.org>,
	Paolo Abeni <pabeni@...hat.com>
Cc: Oleksij Rempel <o.rempel@...gutronix.de>,
	kernel@...gutronix.de,
	linux-kernel@...r.kernel.org,
	netdev@...r.kernel.org
Subject: [PATCH net-next v1 1/1] net: phy: microchip: document where the LAN88xx PHYs are used

The driver uses the name LAN88xx for PHYs with phy_id = 0x0007c132. But
with this placeholder name no documentation can be found on the net.

Document the fact that these PHYs are build into the LAN7800 and LAN7850
USB/Ethernet controllers.

Signed-off-by: Oleksij Rempel <o.rempel@...gutronix.de>
---
 drivers/net/phy/microchip.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/net/phy/microchip.c b/drivers/net/phy/microchip.c
index 93de88c1c8fd..13570f628aa5 100644
--- a/drivers/net/phy/microchip.c
+++ b/drivers/net/phy/microchip.c
@@ -474,6 +474,8 @@ static struct phy_driver microchip_phy_driver[] = {
 	/* This mask (0xfffffff2) is to differentiate from
 	 * LAN8742 (phy_id 0x0007c130 and 0x0007c131)
 	 * and allows future phy_id revisions.
+	 * These PHYs are integrated in LAN7800 and LAN7850 USB/Ethernet
+	 * controllers.
 	 */
 	.phy_id_mask	= 0xfffffff2,
 	.name		= "Microchip LAN88xx",
-- 
2.39.5