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authorDavid S. Miller <davem@davemloft.net>2020-03-12 21:29:30 -0700
committerDavid S. Miller <davem@davemloft.net>2020-03-12 22:34:48 -0700
commit1d343579312311aa9875b34d5a921f5e2ec69f0a (patch)
tree64b636b5557d92f5266187f035dac34862db86d5 /net/dsa
parenta8eceea84a3a3504e42f6495cf462027c5d19cb0 (diff)
parent0d81a3f29c0afb18ba2b1275dcccf21e0dd4da38 (diff)
downloadlinux-1d343579312311aa9875b34d5a921f5e2ec69f0a.tar.bz2
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Minor overlapping changes, nothing serious. Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/dsa')
-rw-r--r--net/dsa/dsa_priv.h2
-rw-r--r--net/dsa/port.c44
-rw-r--r--net/dsa/slave.c8
3 files changed, 39 insertions, 15 deletions
diff --git a/net/dsa/dsa_priv.h b/net/dsa/dsa_priv.h
index a7662e7a691d..760e6ea3178a 100644
--- a/net/dsa/dsa_priv.h
+++ b/net/dsa/dsa_priv.h
@@ -117,7 +117,9 @@ static inline struct net_device *dsa_master_find_slave(struct net_device *dev,
/* port.c */
int dsa_port_set_state(struct dsa_port *dp, u8 state,
struct switchdev_trans *trans);
+int dsa_port_enable_rt(struct dsa_port *dp, struct phy_device *phy);
int dsa_port_enable(struct dsa_port *dp, struct phy_device *phy);
+void dsa_port_disable_rt(struct dsa_port *dp);
void dsa_port_disable(struct dsa_port *dp);
int dsa_port_bridge_join(struct dsa_port *dp, struct net_device *br);
void dsa_port_bridge_leave(struct dsa_port *dp, struct net_device *br);
diff --git a/net/dsa/port.c b/net/dsa/port.c
index d4450a454249..e6875d8f944d 100644
--- a/net/dsa/port.c
+++ b/net/dsa/port.c
@@ -63,7 +63,7 @@ static void dsa_port_set_state_now(struct dsa_port *dp, u8 state)
pr_err("DSA: failed to set STP state %u (%d)\n", state, err);
}
-int dsa_port_enable(struct dsa_port *dp, struct phy_device *phy)
+int dsa_port_enable_rt(struct dsa_port *dp, struct phy_device *phy)
{
struct dsa_switch *ds = dp->ds;
int port = dp->index;
@@ -78,14 +78,31 @@ int dsa_port_enable(struct dsa_port *dp, struct phy_device *phy)
if (!dp->bridge_dev)
dsa_port_set_state_now(dp, BR_STATE_FORWARDING);
+ if (dp->pl)
+ phylink_start(dp->pl);
+
return 0;
}
-void dsa_port_disable(struct dsa_port *dp)
+int dsa_port_enable(struct dsa_port *dp, struct phy_device *phy)
+{
+ int err;
+
+ rtnl_lock();
+ err = dsa_port_enable_rt(dp, phy);
+ rtnl_unlock();
+
+ return err;
+}
+
+void dsa_port_disable_rt(struct dsa_port *dp)
{
struct dsa_switch *ds = dp->ds;
int port = dp->index;
+ if (dp->pl)
+ phylink_stop(dp->pl);
+
if (!dp->bridge_dev)
dsa_port_set_state_now(dp, BR_STATE_DISABLED);
@@ -93,6 +110,13 @@ void dsa_port_disable(struct dsa_port *dp)
ds->ops->port_disable(ds, port);
}
+void dsa_port_disable(struct dsa_port *dp)
+{
+ rtnl_lock();
+ dsa_port_disable_rt(dp);
+ rtnl_unlock();
+}
+
int dsa_port_bridge_join(struct dsa_port *dp, struct net_device *br)
{
struct dsa_notifier_bridge_info info = {
@@ -617,10 +641,6 @@ static int dsa_port_phylink_register(struct dsa_port *dp)
goto err_phy_connect;
}
- rtnl_lock();
- phylink_start(dp->pl);
- rtnl_unlock();
-
return 0;
err_phy_connect:
@@ -631,9 +651,14 @@ err_phy_connect:
int dsa_port_link_register_of(struct dsa_port *dp)
{
struct dsa_switch *ds = dp->ds;
+ struct device_node *phy_np;
- if (!ds->ops->adjust_link)
- return dsa_port_phylink_register(dp);
+ if (!ds->ops->adjust_link) {
+ phy_np = of_parse_phandle(dp->dn, "phy-handle", 0);
+ if (of_phy_is_fixed_link(dp->dn) || phy_np)
+ return dsa_port_phylink_register(dp);
+ return 0;
+ }
dev_warn(ds->dev,
"Using legacy PHYLIB callbacks. Please migrate to PHYLINK!\n");
@@ -648,11 +673,12 @@ void dsa_port_link_unregister_of(struct dsa_port *dp)
{
struct dsa_switch *ds = dp->ds;
- if (!ds->ops->adjust_link) {
+ if (!ds->ops->adjust_link && dp->pl) {
rtnl_lock();
phylink_disconnect_phy(dp->pl);
rtnl_unlock();
phylink_destroy(dp->pl);
+ dp->pl = NULL;
return;
}
diff --git a/net/dsa/slave.c b/net/dsa/slave.c
index fca9bfa8437e..c5beb3031a72 100644
--- a/net/dsa/slave.c
+++ b/net/dsa/slave.c
@@ -88,12 +88,10 @@ static int dsa_slave_open(struct net_device *dev)
goto clear_allmulti;
}
- err = dsa_port_enable(dp, dev->phydev);
+ err = dsa_port_enable_rt(dp, dev->phydev);
if (err)
goto clear_promisc;
- phylink_start(dp->pl);
-
return 0;
clear_promisc:
@@ -114,9 +112,7 @@ static int dsa_slave_close(struct net_device *dev)
struct net_device *master = dsa_slave_to_master(dev);
struct dsa_port *dp = dsa_slave_to_port(dev);
- phylink_stop(dp->pl);
-
- dsa_port_disable(dp);
+ dsa_port_disable_rt(dp);
dev_mc_unsync(master, dev);
dev_uc_unsync(master, dev);