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authorFlorian Fainelli <florian.fainelli@broadcom.com>2024-04-30 09:48:16 -0700
committerJakub Kicinski <kuba@kernel.org>2024-05-01 19:06:32 -0700
commit8a021a863a7dc9f4d3d00c5571b79e0961eeabc8 (patch)
treefc62a7d2446129388bcbe30ce400b809d20095ed /net/dsa
parentad3e1287c6f354b4ecf77aa67810731ea192c3fb (diff)
net: dsa: Remove adjust_link paths
Now that we no longer any drivers using PHYLIB's adjust_link callback, remove all paths that made use of adjust_link as well as the associated functions. Signed-off-by: Florian Fainelli <florian.fainelli@broadcom.com> Reviewed-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk> Link: https://lore.kernel.org/r/20240430164816.2400606-3-florian.fainelli@broadcom.com Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to 'net/dsa')
-rw-r--r--net/dsa/dsa.c3
-rw-r--r--net/dsa/port.c139
2 files changed, 12 insertions, 130 deletions
diff --git a/net/dsa/dsa.c b/net/dsa/dsa.c
index 2f347cd37316..12521a7d4048 100644
--- a/net/dsa/dsa.c
+++ b/net/dsa/dsa.c
@@ -1511,8 +1511,7 @@ static int dsa_switch_probe(struct dsa_switch *ds)
ds->ops->phylink_mac_config ||
ds->ops->phylink_mac_finish ||
ds->ops->phylink_mac_link_down ||
- ds->ops->phylink_mac_link_up ||
- ds->ops->adjust_link)
+ ds->ops->phylink_mac_link_up)
return -EINVAL;
}
diff --git a/net/dsa/port.c b/net/dsa/port.c
index c6febc3d96d9..9a249d4ac3a5 100644
--- a/net/dsa/port.c
+++ b/net/dsa/port.c
@@ -1535,25 +1535,6 @@ void dsa_port_set_tag_protocol(struct dsa_port *cpu_dp,
cpu_dp->tag_ops = tag_ops;
}
-static struct phy_device *dsa_port_get_phy_device(struct dsa_port *dp)
-{
- struct device_node *phy_dn;
- struct phy_device *phydev;
-
- phy_dn = of_parse_phandle(dp->dn, "phy-handle", 0);
- if (!phy_dn)
- return NULL;
-
- phydev = of_phy_find_device(phy_dn);
- if (!phydev) {
- of_node_put(phy_dn);
- return ERR_PTR(-EPROBE_DEFER);
- }
-
- of_node_put(phy_dn);
- return phydev;
-}
-
static struct phylink_pcs *
dsa_port_phylink_mac_select_pcs(struct phylink_config *config,
phy_interface_t interface)
@@ -1616,17 +1597,10 @@ static void dsa_port_phylink_mac_link_down(struct phylink_config *config,
phy_interface_t interface)
{
struct dsa_port *dp = dsa_phylink_to_port(config);
- struct phy_device *phydev = NULL;
struct dsa_switch *ds = dp->ds;
- if (dsa_port_is_user(dp))
- phydev = dp->user->phydev;
-
- if (!ds->ops->phylink_mac_link_down) {
- if (ds->ops->adjust_link && phydev)
- ds->ops->adjust_link(ds, dp->index, phydev);
+ if (!ds->ops->phylink_mac_link_down)
return;
- }
ds->ops->phylink_mac_link_down(ds, dp->index, mode, interface);
}
@@ -1641,11 +1615,8 @@ static void dsa_port_phylink_mac_link_up(struct phylink_config *config,
struct dsa_port *dp = dsa_phylink_to_port(config);
struct dsa_switch *ds = dp->ds;
- if (!ds->ops->phylink_mac_link_up) {
- if (ds->ops->adjust_link && phydev)
- ds->ops->adjust_link(ds, dp->index, phydev);
+ if (!ds->ops->phylink_mac_link_up)
return;
- }
ds->ops->phylink_mac_link_up(ds, dp->index, mode, interface, phydev,
speed, duplex, tx_pause, rx_pause);
@@ -1708,78 +1679,6 @@ void dsa_port_phylink_destroy(struct dsa_port *dp)
dp->pl = NULL;
}
-static int dsa_shared_port_setup_phy_of(struct dsa_port *dp, bool enable)
-{
- struct dsa_switch *ds = dp->ds;
- struct phy_device *phydev;
- int port = dp->index;
- int err = 0;
-
- phydev = dsa_port_get_phy_device(dp);
- if (!phydev)
- return 0;
-
- if (IS_ERR(phydev))
- return PTR_ERR(phydev);
-
- if (enable) {
- err = genphy_resume(phydev);
- if (err < 0)
- goto err_put_dev;
-
- err = genphy_read_status(phydev);
- if (err < 0)
- goto err_put_dev;
- } else {
- err = genphy_suspend(phydev);
- if (err < 0)
- goto err_put_dev;
- }
-
- if (ds->ops->adjust_link)
- ds->ops->adjust_link(ds, port, phydev);
-
- dev_dbg(ds->dev, "enabled port's phy: %s", phydev_name(phydev));
-
-err_put_dev:
- put_device(&phydev->mdio.dev);
- return err;
-}
-
-static int dsa_shared_port_fixed_link_register_of(struct dsa_port *dp)
-{
- struct device_node *dn = dp->dn;
- struct dsa_switch *ds = dp->ds;
- struct phy_device *phydev;
- int port = dp->index;
- phy_interface_t mode;
- int err;
-
- err = of_phy_register_fixed_link(dn);
- if (err) {
- dev_err(ds->dev,
- "failed to register the fixed PHY of port %d\n",
- port);
- return err;
- }
-
- phydev = of_phy_find_device(dn);
-
- err = of_get_phy_mode(dn, &mode);
- if (err)
- mode = PHY_INTERFACE_MODE_NA;
- phydev->interface = mode;
-
- genphy_read_status(phydev);
-
- if (ds->ops->adjust_link)
- ds->ops->adjust_link(ds, port, phydev);
-
- put_device(&phydev->mdio.dev);
-
- return 0;
-}
-
static int dsa_shared_port_phylink_register(struct dsa_port *dp)
{
struct dsa_switch *ds = dp->ds;
@@ -1983,44 +1882,28 @@ int dsa_shared_port_link_register_of(struct dsa_port *dp)
dsa_switches_apply_workarounds))
return -EINVAL;
- if (!ds->ops->adjust_link) {
- if (missing_link_description) {
- dev_warn(ds->dev,
- "Skipping phylink registration for %s port %d\n",
- dsa_port_is_cpu(dp) ? "CPU" : "DSA", dp->index);
- } else {
- dsa_shared_port_link_down(dp);
+ if (missing_link_description) {
+ dev_warn(ds->dev,
+ "Skipping phylink registration for %s port %d\n",
+ dsa_port_is_cpu(dp) ? "CPU" : "DSA", dp->index);
+ } else {
+ dsa_shared_port_link_down(dp);
- return dsa_shared_port_phylink_register(dp);
- }
- return 0;
+ return dsa_shared_port_phylink_register(dp);
}
- dev_warn(ds->dev,
- "Using legacy PHYLIB callbacks. Please migrate to PHYLINK!\n");
-
- if (of_phy_is_fixed_link(dp->dn))
- return dsa_shared_port_fixed_link_register_of(dp);
- else
- return dsa_shared_port_setup_phy_of(dp, true);
+ return 0;
}
void dsa_shared_port_link_unregister_of(struct dsa_port *dp)
{
- struct dsa_switch *ds = dp->ds;
-
- if (!ds->ops->adjust_link && dp->pl) {
+ if (dp->pl) {
rtnl_lock();
phylink_disconnect_phy(dp->pl);
rtnl_unlock();
dsa_port_phylink_destroy(dp);
return;
}
-
- if (of_phy_is_fixed_link(dp->dn))
- of_phy_deregister_fixed_link(dp->dn);
- else
- dsa_shared_port_setup_phy_of(dp, false);
}
int dsa_port_hsr_join(struct dsa_port *dp, struct net_device *hsr,