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net-next: dsa: make the set_addr() operation optional 

Only 1 of the 3 drivers currently has a set_addr() operation. Make the
set_addr() callback optional to reduce the amount of empty stubs inside
the drivers.

Signed-off-by: John Crispin <john@phrozen.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
John Crispin 2016-09-19 15:28:01 +02:00 committed by David S. Miller
parent 06f8ec9041
commit 092183df0f
2 changed files with 10 additions and 6 deletions
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8
net/dsa/dsa.c
View File

@ -378,9 +378,11 @@ static int dsa_switch_setup_one(struct dsa_switch *ds, struct device *parent)
if (ret < 0)
goto out;
ret = ops->set_addr(ds, dst->master_netdev->dev_addr);
if (ret < 0)
goto out;
if (ops->set_addr) {
ret = ops->set_addr(ds, dst->master_netdev->dev_addr);
if (ret < 0)
goto out;
}
if (!ds->slave_mii_bus && ops->phy_read) {
ds->slave_mii_bus = devm_mdiobus_alloc(parent);

8
net/dsa/dsa2.c
View File

@ -304,9 +304,11 @@ static int dsa_ds_apply(struct dsa_switch_tree *dst, struct dsa_switch *ds)
if (err < 0)
return err;
err = ds->ops->set_addr(ds, dst->master_netdev->dev_addr);
if (err < 0)
return err;
if (ds->ops->set_addr) {
err = ds->ops->set_addr(ds, dst->master_netdev->dev_addr);
if (err < 0)
return err;
}
if (!ds->slave_mii_bus && ds->ops->phy_read) {
ds->slave_mii_bus = devm_mdiobus_alloc(ds->dev);