Commit fe7324b9 authored by Luiz Angelo Daros de Luca's avatar Luiz Angelo Daros de Luca Committed by David S. Miller
Browse files

net: dsa: OF-ware slave_mii_bus 



If found, register the DSA internally allocated slave_mii_bus with an OF
"mdio" child object. It can save some drivers from creating their
custom internal MDIO bus.

Signed-off-by: default avatarLuiz Angelo Daros de Luca <luizluca@gmail.com>
Reviewed-by: default avatarAndrew Lunn <andrew@lunn.ch>
Reviewed-by: default avatarFlorian Fainelli <f.fainelli@gmail.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 32c53420

net/dsa/dsa2.c

+6 −1
Original line number Diff line number Diff line
@@ -13,6 +13,7 @@ 
#include <linux/slab.h>

#include <linux/rtnetlink.h>

#include <linux/of.h>

#include <linux/of_mdio.h>

#include <linux/of_net.h>

#include <net/devlink.h>

#include <net/sch_generic.h>
@@ -852,6 +853,7 @@ static int dsa_switch_setup_tag_protocol(struct dsa_switch *ds) 
static int dsa_switch_setup(struct dsa_switch *ds)

{

	struct dsa_devlink_priv *dl_priv;

	struct device_node *dn;

	struct dsa_port *dp;

	int err;
@@ -907,7 +909,10 @@ static int dsa_switch_setup(struct dsa_switch *ds) 


		dsa_slave_mii_bus_init(ds);



		err = mdiobus_register(ds->slave_mii_bus);

		dn = of_get_child_by_name(ds->dev->of_node, "mdio");



		err = of_mdiobus_register(ds->slave_mii_bus, dn);

		of_node_put(dn);

		if (err < 0)

			goto free_slave_mii_bus;

	}