netdev - [net-next PATCH v3 6/6] net: dsa: qca8k: unify bus id naming with legacy and OF mdio bus

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Date:   Sat, 16 Apr 2022 01:30:17 +0200
From:   Ansuel Smith <ansuelsmth@...il.com>
To:     Andrew Lunn <andrew@...n.ch>,
        Vivien Didelot <vivien.didelot@...il.com>,
        Florian Fainelli <f.fainelli@...il.com>,
        Vladimir Oltean <olteanv@...il.com>,
        "David S. Miller" <davem@...emloft.net>,
        Jakub Kicinski <kuba@...nel.org>,
        Paolo Abeni <pabeni@...hat.com>,
        Ansuel Smith <ansuelsmth@...il.com>, netdev@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: [net-next PATCH v3 6/6] net: dsa: qca8k: unify bus id naming with legacy and OF mdio bus

Add support for multiple switch with OF mdio bus declaration.
Unify the bus id naming and use the same logic for both legacy and OF
mdio bus.

Signed-off-by: Ansuel Smith <ansuelsmth@...il.com>
---
 drivers/net/dsa/qca8k.c | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/drivers/net/dsa/qca8k.c b/drivers/net/dsa/qca8k.c
index 4fb1486795c4..2727d3169c25 100644
--- a/drivers/net/dsa/qca8k.c
+++ b/drivers/net/dsa/qca8k.c
@@ -1323,6 +1323,8 @@ qca8k_mdio_register(struct qca8k_priv *priv)
 		return -ENOMEM;
 
 	bus->priv = (void *)priv;
+	snprintf(bus->id, MII_BUS_ID_SIZE, "qca8k-%d.%d",
+		 ds->dst->index, ds->index);
 	bus->parent = ds->dev;
 	bus->phy_mask = ~ds->phys_mii_mask;
 	ds->slave_mii_bus = bus;
@@ -1330,7 +1332,6 @@ qca8k_mdio_register(struct qca8k_priv *priv)
 	/* Check if the devicetree declare the port:phy mapping */
 	mdio = of_get_child_by_name(priv->dev->of_node, "mdio");
 	if (of_device_is_available(mdio)) {
-		snprintf(bus->id, MII_BUS_ID_SIZE, "qca8k-%d", ds->index);
 		bus->name = "qca8k slave mii";
 		bus->read = qca8k_internal_mdio_read;
 		bus->write = qca8k_internal_mdio_write;
@@ -1340,8 +1341,6 @@ qca8k_mdio_register(struct qca8k_priv *priv)
 	/* If a mapping can't be found the legacy mapping is used,
 	 * using the qca8k_port_to_phy function
 	 */
-	snprintf(bus->id, MII_BUS_ID_SIZE, "qca8k-%d.%d",
-		 ds->dst->index, ds->index);
 	bus->name = "qca8k-legacy slave mii";
 	bus->read = qca8k_legacy_mdio_read;
 	bus->write = qca8k_legacy_mdio_write;
-- 
2.34.1