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-rw-r--r--net/dsa/slave.c12
1 files changed, 12 insertions, 0 deletions
diff --git a/net/dsa/slave.c b/net/dsa/slave.c
index ba8bf90dc0cc..fa2634043751 100644
--- a/net/dsa/slave.c
+++ b/net/dsa/slave.c
@@ -1671,6 +1671,15 @@ static int dsa_slave_phy_setup(struct net_device *slave_dev)
return ret;
}
+static struct lock_class_key dsa_slave_netdev_xmit_lock_key;
+static void dsa_slave_set_lockdep_class_one(struct net_device *dev,
+ struct netdev_queue *txq,
+ void *_unused)
+{
+ lockdep_set_class(&txq->_xmit_lock,
+ &dsa_slave_netdev_xmit_lock_key);
+}
+
int dsa_slave_suspend(struct net_device *slave_dev)
{
struct dsa_port *dp = dsa_slave_to_port(slave_dev);
@@ -1754,6 +1763,9 @@ int dsa_slave_create(struct dsa_port *port)
slave_dev->max_mtu = ETH_MAX_MTU;
SET_NETDEV_DEVTYPE(slave_dev, &dsa_type);
+ netdev_for_each_tx_queue(slave_dev, dsa_slave_set_lockdep_class_one,
+ NULL);
+
SET_NETDEV_DEV(slave_dev, port->ds->dev);
slave_dev->dev.of_node = port->dn;
slave_dev->vlan_features = master->vlan_features;