net: dsa: qca8k: use "dev" consistently within qca8k_mdio_register()

Accessed either through priv->dev or ds->dev, it is the same device
structure. Keep a single variable which holds a reference to it, and use
it consistently.

Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com>
Reviewed-by: Alvin Šipraga <alsi@bang-olufsen.dk>
Reviewed-by: Florian Fainelli <florian.fainelli@broadcom.com>
Reviewed-by: Christian Marangi <ansuelsmth@gmail.com>
Reviewed-by: Luiz Angelo Daros de Luca <luizluca@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/drivers/net/dsa/qca/qca8k-8xxx.c b/drivers/net/dsa/qca/qca8k-8xxx.c
index f12bdb30796fa8c08551cbe7f987024d70353416..c51f40960961f2b10a2f4191e4b8f5a50af9fc86 100644 (file)
--- a/drivers/net/dsa/qca/qca8k-8xxx.c
+++ b/drivers/net/dsa/qca/qca8k-8xxx.c
@@ -947,15 +947,16 @@ static int
 qca8k_mdio_register(struct qca8k_priv *priv)
 {
        struct dsa_switch *ds = priv->ds;
+       struct device *dev = ds->dev;
        struct device_node *mdio;
        struct mii_bus *bus;
        int err = 0;
 
-       mdio = of_get_child_by_name(priv->dev->of_node, "mdio");
+       mdio = of_get_child_by_name(dev->of_node, "mdio");
        if (mdio && !of_device_is_available(mdio))
                goto out;
 
-       bus = devm_mdiobus_alloc(ds->dev);
+       bus = devm_mdiobus_alloc(dev);
        if (!bus) {
                err = -ENOMEM;
                goto out_put_node;
@@ -965,7 +966,7 @@ qca8k_mdio_register(struct qca8k_priv *priv)
        bus->priv = (void *)priv;
        snprintf(bus->id, MII_BUS_ID_SIZE, "qca8k-%d.%d",
                 ds->dst->index, ds->index);
-       bus->parent = ds->dev;
+       bus->parent = dev;
 
        if (mdio) {
                /* Check if the device tree declares the port:phy mapping */
@@ -983,7 +984,7 @@ qca8k_mdio_register(struct qca8k_priv *priv)
                bus->write = qca8k_legacy_mdio_write;
        }
 
-       err = devm_of_mdiobus_register(priv->dev, bus, mdio);
+       err = devm_of_mdiobus_register(dev, bus, mdio);
 
 out_put_node:
        of_node_put(mdio);