linux-kernel - [net-next: PATCH v7 5/7] dsa: lan9303: Port 0 is xMII port

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Message-ID: <20230117205703.25960-6-jerry.ray@microchip.com>
Date:   Tue, 17 Jan 2023 14:57:01 -0600
From:   Jerry Ray <jerry.ray@...rochip.com>
To:     Andrew Lunn <andrew@...n.ch>,
        Florian Fainelli <f.fainelli@...il.com>,
        Vladimir Oltean <olteanv@...il.com>,
        "David S. Miller" <davem@...emloft.net>,
        Eric Dumazet <edumazet@...gle.com>,
        Jakub Kicinski <kuba@...nel.org>,
        "Paolo Abeni" <pabeni@...hat.com>,
        Russell King <linux@...linux.org.uk>, <jbe@...gutronix.de>,
        <netdev@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        Jerry Ray <jerry.ray@...rochip.com>
Subject: [net-next: PATCH v7 5/7] dsa: lan9303: Port 0 is xMII port

In preparing to move the adjust_link logic into the phylink_mac_link_up
api, change the macro used to check for the cpu port. In
phylink_mac_link_up, the phydev pointer passed in for the CPU port is
NULL, so we can't keep using phy_is_pseudo_fixed_link(phydev).

Signed-off-by: Jerry Ray <jerry.ray@...rochip.com>
---
 drivers/net/dsa/lan9303-core.c | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/drivers/net/dsa/lan9303-core.c b/drivers/net/dsa/lan9303-core.c
index a4decf42a002..a4cc76423d4b 100644
--- a/drivers/net/dsa/lan9303-core.c
+++ b/drivers/net/dsa/lan9303-core.c
@@ -15,6 +15,9 @@
 
 #include "lan9303.h"
 
+/* For the LAN9303 and LAN9354, only port 0 is an XMII port. */
+#define IS_PORT_XMII(port)	((port) == 0)
+
 #define LAN9303_NUM_PORTS 3
 
 /* 13.2 System Control and Status Registers
@@ -1066,7 +1069,11 @@ static void lan9303_adjust_link(struct dsa_switch *ds, int port,
 {
 	int ctl;
 
-	if (!phy_is_pseudo_fixed_link(phydev))
+	/* On this device, we are only interested in doing something here if
+	 * this is an xMII port. All other ports are 10/100 phys using MDIO
+	 * to control there link settings.
+	 */
+	if (!IS_PORT_XMII(port))
 		return;
 
 	ctl = lan9303_phy_read(ds, port, MII_BMCR);
-- 
2.17.1