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authorJakub Kicinski <kuba@kernel.org>2021-01-14 18:34:50 -0800
committerJakub Kicinski <kuba@kernel.org>2021-01-14 18:34:50 -0800
commit1d9f03c0a15fa01aa14fb295cbc1236403fceb0b (patch)
tree2161a4e17f383a14e1e235e2deed7142733aca9b /net/dsa
parente4abfd88c78105069eef627e04ef9413746bab7b (diff)
parent146620506274bd24d52fb1c589110a30eed8240b (diff)
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to 'net/dsa')
-rw-r--r--net/dsa/dsa2.c4
-rw-r--r--net/dsa/master.c10
2 files changed, 14 insertions, 0 deletions
diff --git a/net/dsa/dsa2.c b/net/dsa/dsa2.c
index fd343466df27..6f65ea0eef9f 100644
--- a/net/dsa/dsa2.c
+++ b/net/dsa/dsa2.c
@@ -412,9 +412,13 @@ static int dsa_port_devlink_setup(struct dsa_port *dp)
static void dsa_port_teardown(struct dsa_port *dp)
{
+ struct devlink_port *dlp = &dp->devlink_port;
+
if (!dp->setup)
return;
+ devlink_port_type_clear(dlp);
+
switch (dp->type) {
case DSA_PORT_TYPE_UNUSED:
break;
diff --git a/net/dsa/master.c b/net/dsa/master.c
index 5a0f6fec4271..cb3a5cf99b25 100644
--- a/net/dsa/master.c
+++ b/net/dsa/master.c
@@ -309,8 +309,18 @@ static struct lock_class_key dsa_master_addr_list_lock_key;
int dsa_master_setup(struct net_device *dev, struct dsa_port *cpu_dp)
{
int mtu = ETH_DATA_LEN + cpu_dp->tag_ops->overhead;
+ struct dsa_switch *ds = cpu_dp->ds;
+ struct device_link *consumer_link;
int ret;
+ /* The DSA master must use SET_NETDEV_DEV for this to work. */
+ consumer_link = device_link_add(ds->dev, dev->dev.parent,
+ DL_FLAG_AUTOREMOVE_CONSUMER);
+ if (!consumer_link)
+ netdev_err(dev,
+ "Failed to create a device link to DSA switch %s\n",
+ dev_name(ds->dev));
+
rtnl_lock();
ret = dev_set_mtu(dev, mtu);
rtnl_unlock();