net: dsa: Provide a slave MII bus if needed
Mimic what net/dsa/dsa.c does and provide a slave MII bus by default which will be created if the driver implements a phy_read method. Reviewed-by: Andrew Lunn <andrew@lunn.ch> Reviewed-by: Vivien Didelot <vivien.didelot@savoirfairelinux.com> Signed-off-by: Florian Fainelli <f.fainelli@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
parent
6e830d8f0d
commit
1eb59443e7
|
@ -312,6 +312,18 @@ static int dsa_ds_apply(struct dsa_switch_tree *dst, struct dsa_switch *ds)
|
|||
if (err < 0)
|
||||
return err;
|
||||
|
||||
if (!ds->slave_mii_bus && ds->drv->phy_read) {
|
||||
ds->slave_mii_bus = devm_mdiobus_alloc(ds->dev);
|
||||
if (!ds->slave_mii_bus)
|
||||
return -ENOMEM;
|
||||
|
||||
dsa_slave_mii_bus_init(ds);
|
||||
|
||||
err = mdiobus_register(ds->slave_mii_bus);
|
||||
if (err < 0)
|
||||
return err;
|
||||
}
|
||||
|
||||
for (index = 0; index < DSA_MAX_PORTS; index++) {
|
||||
port = ds->ports[index].dn;
|
||||
if (!port)
|
||||
|
@ -361,6 +373,9 @@ static void dsa_ds_unapply(struct dsa_switch_tree *dst, struct dsa_switch *ds)
|
|||
|
||||
dsa_user_port_unapply(port, index, ds);
|
||||
}
|
||||
|
||||
if (ds->slave_mii_bus && ds->drv->phy_read)
|
||||
mdiobus_unregister(ds->slave_mii_bus);
|
||||
}
|
||||
|
||||
static int dsa_dst_apply(struct dsa_switch_tree *dst)
|
||||
|
|
Loading…
Reference in a new issue