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-rw-r--r--drivers/net/phy/Makefile2
-rw-r--r--drivers/net/phy/marvell-88x2222.c2
-rw-r--r--drivers/net/phy/marvell.c2
-rw-r--r--drivers/net/phy/marvell10g.c2
-rw-r--r--drivers/net/phy/phy_device.c55
-rw-r--r--drivers/net/phy/phy_link_topology.c105
-rw-r--r--drivers/net/phy/phylink.c3
-rw-r--r--drivers/net/phy/qcom/at803x.c2
-rw-r--r--drivers/net/phy/qcom/qca807x.c2
-rw-r--r--drivers/net/phy/sfp-bus.c15
10 files changed, 4 insertions, 186 deletions
diff --git a/drivers/net/phy/Makefile b/drivers/net/phy/Makefile
index 1d8be374915f..202ed7f450da 100644
--- a/drivers/net/phy/Makefile
+++ b/drivers/net/phy/Makefile
@@ -2,7 +2,7 @@
# Makefile for Linux PHY drivers
libphy-y := phy.o phy-c45.o phy-core.o phy_device.o \
- linkmode.o phy_link_topology.o
+ linkmode.o
mdio-bus-y += mdio_bus.o mdio_device.o
ifdef CONFIG_MDIO_DEVICE
diff --git a/drivers/net/phy/marvell-88x2222.c b/drivers/net/phy/marvell-88x2222.c
index 0b777cdd7078..b88398e6872b 100644
--- a/drivers/net/phy/marvell-88x2222.c
+++ b/drivers/net/phy/marvell-88x2222.c
@@ -553,8 +553,6 @@ static const struct sfp_upstream_ops sfp_phy_ops = {
.link_down = mv2222_sfp_link_down,
.attach = phy_sfp_attach,
.detach = phy_sfp_detach,
- .connect_phy = phy_sfp_connect_phy,
- .disconnect_phy = phy_sfp_disconnect_phy,
};
static int mv2222_probe(struct phy_device *phydev)
diff --git a/drivers/net/phy/marvell.c b/drivers/net/phy/marvell.c
index 9964bf3dea2f..b89fbffa6a93 100644
--- a/drivers/net/phy/marvell.c
+++ b/drivers/net/phy/marvell.c
@@ -3613,8 +3613,6 @@ static const struct sfp_upstream_ops m88e1510_sfp_ops = {
.module_remove = m88e1510_sfp_remove,
.attach = phy_sfp_attach,
.detach = phy_sfp_detach,
- .connect_phy = phy_sfp_connect_phy,
- .disconnect_phy = phy_sfp_disconnect_phy,
};
static int m88e1510_probe(struct phy_device *phydev)
diff --git a/drivers/net/phy/marvell10g.c b/drivers/net/phy/marvell10g.c
index 6642eb642d4b..ad43e280930c 100644
--- a/drivers/net/phy/marvell10g.c
+++ b/drivers/net/phy/marvell10g.c
@@ -503,8 +503,6 @@ static int mv3310_sfp_insert(void *upstream, const struct sfp_eeprom_id *id)
static const struct sfp_upstream_ops mv3310_sfp_ops = {
.attach = phy_sfp_attach,
.detach = phy_sfp_detach,
- .connect_phy = phy_sfp_connect_phy,
- .disconnect_phy = phy_sfp_disconnect_phy,
.module_insert = mv3310_sfp_insert,
};
diff --git a/drivers/net/phy/phy_device.c b/drivers/net/phy/phy_device.c
index 616bd7ba46cb..6c6ec9475709 100644
--- a/drivers/net/phy/phy_device.c
+++ b/drivers/net/phy/phy_device.c
@@ -29,7 +29,6 @@
#include <linux/phy.h>
#include <linux/phylib_stubs.h>
#include <linux/phy_led_triggers.h>
-#include <linux/phy_link_topology.h>
#include <linux/pse-pd/pse.h>
#include <linux/property.h>
#include <linux/rtnetlink.h>
@@ -277,14 +276,6 @@ static void phy_mdio_device_remove(struct mdio_device *mdiodev)
static struct phy_driver genphy_driver;
-static struct phy_link_topology *phy_get_link_topology(struct phy_device *phydev)
-{
- if (phydev->attached_dev)
- return phydev->attached_dev->link_topo;
-
- return NULL;
-}
-
static LIST_HEAD(phy_fixup_list);
static DEFINE_MUTEX(phy_fixup_lock);
@@ -1379,46 +1370,6 @@ phy_standalone_show(struct device *dev, struct device_attribute *attr,
static DEVICE_ATTR_RO(phy_standalone);
/**
- * phy_sfp_connect_phy - Connect the SFP module's PHY to the upstream PHY
- * @upstream: pointer to the upstream phy device
- * @phy: pointer to the SFP module's phy device
- *
- * This helper allows keeping track of PHY devices on the link. It adds the
- * SFP module's phy to the phy namespace of the upstream phy
- */
-int phy_sfp_connect_phy(void *upstream, struct phy_device *phy)
-{
- struct phy_device *phydev = upstream;
- struct phy_link_topology *topo = phy_get_link_topology(phydev);
-
- if (topo)
- return phy_link_topo_add_phy(topo, phy, PHY_UPSTREAM_PHY, phydev);
-
- return 0;
-}
-EXPORT_SYMBOL(phy_sfp_connect_phy);
-
-/**
- * phy_sfp_disconnect_phy - Disconnect the SFP module's PHY from the upstream PHY
- * @upstream: pointer to the upstream phy device
- * @phy: pointer to the SFP module's phy device
- *
- * This helper allows keeping track of PHY devices on the link. It removes the
- * SFP module's phy to the phy namespace of the upstream phy. As the module phy
- * will be destroyed, re-inserting the same module will add a new phy with a
- * new index.
- */
-void phy_sfp_disconnect_phy(void *upstream, struct phy_device *phy)
-{
- struct phy_device *phydev = upstream;
- struct phy_link_topology *topo = phy_get_link_topology(phydev);
-
- if (topo)
- phy_link_topo_del_phy(topo, phy);
-}
-EXPORT_SYMBOL(phy_sfp_disconnect_phy);
-
-/**
* phy_sfp_attach - attach the SFP bus to the PHY upstream network device
* @upstream: pointer to the phy device
* @bus: sfp bus representing cage being attached
@@ -1560,11 +1511,6 @@ int phy_attach_direct(struct net_device *dev, struct phy_device *phydev,
if (phydev->sfp_bus_attached)
dev->sfp_bus = phydev->sfp_bus;
-
- err = phy_link_topo_add_phy(dev->link_topo, phydev,
- PHY_UPSTREAM_MAC, dev);
- if (err)
- goto error;
}
/* Some Ethernet drivers try to connect to a PHY device before
@@ -1992,7 +1938,6 @@ void phy_detach(struct phy_device *phydev)
if (dev) {
phydev->attached_dev->phydev = NULL;
phydev->attached_dev = NULL;
- phy_link_topo_del_phy(dev->link_topo, phydev);
}
phydev->phylink = NULL;
diff --git a/drivers/net/phy/phy_link_topology.c b/drivers/net/phy/phy_link_topology.c
deleted file mode 100644
index 985941c5c558..000000000000
--- a/drivers/net/phy/phy_link_topology.c
+++ /dev/null
@@ -1,105 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0+
-/*
- * Infrastructure to handle all PHY devices connected to a given netdev,
- * either directly or indirectly attached.
- *
- * Copyright (c) 2023 Maxime Chevallier<maxime.chevallier@bootlin.com>
- */
-
-#include <linux/phy_link_topology.h>
-#include <linux/netdevice.h>
-#include <linux/phy.h>
-#include <linux/rtnetlink.h>
-#include <linux/xarray.h>
-
-struct phy_link_topology *phy_link_topo_create(struct net_device *dev)
-{
- struct phy_link_topology *topo;
-
- topo = kzalloc(sizeof(*topo), GFP_KERNEL);
- if (!topo)
- return ERR_PTR(-ENOMEM);
-
- xa_init_flags(&topo->phys, XA_FLAGS_ALLOC1);
- topo->next_phy_index = 1;
-
- return topo;
-}
-
-void phy_link_topo_destroy(struct phy_link_topology *topo)
-{
- if (!topo)
- return;
-
- xa_destroy(&topo->phys);
- kfree(topo);
-}
-
-int phy_link_topo_add_phy(struct phy_link_topology *topo,
- struct phy_device *phy,
- enum phy_upstream upt, void *upstream)
-{
- struct phy_device_node *pdn;
- int ret;
-
- pdn = kzalloc(sizeof(*pdn), GFP_KERNEL);
- if (!pdn)
- return -ENOMEM;
-
- pdn->phy = phy;
- switch (upt) {
- case PHY_UPSTREAM_MAC:
- pdn->upstream.netdev = (struct net_device *)upstream;
- if (phy_on_sfp(phy))
- pdn->parent_sfp_bus = pdn->upstream.netdev->sfp_bus;
- break;
- case PHY_UPSTREAM_PHY:
- pdn->upstream.phydev = (struct phy_device *)upstream;
- if (phy_on_sfp(phy))
- pdn->parent_sfp_bus = pdn->upstream.phydev->sfp_bus;
- break;
- default:
- ret = -EINVAL;
- goto err;
- }
- pdn->upstream_type = upt;
-
- /* Attempt to re-use a previously allocated phy_index */
- if (phy->phyindex) {
- ret = xa_insert(&topo->phys, phy->phyindex, pdn, GFP_KERNEL);
-
- /* Errors could be either -ENOMEM or -EBUSY. If the phy has an
- * index, and there's another entry at the same index, this is
- * unexpected and we still error-out
- */
- if (ret)
- goto err;
- return 0;
- }
-
- ret = xa_alloc_cyclic(&topo->phys, &phy->phyindex, pdn, xa_limit_32b,
- &topo->next_phy_index, GFP_KERNEL);
- if (ret)
- goto err;
-
- return 0;
-
-err:
- kfree(pdn);
- return ret;
-}
-EXPORT_SYMBOL_GPL(phy_link_topo_add_phy);
-
-void phy_link_topo_del_phy(struct phy_link_topology *topo,
- struct phy_device *phy)
-{
- struct phy_device_node *pdn = xa_erase(&topo->phys, phy->phyindex);
-
- /* We delete the PHY from the topology, however we don't re-set the
- * phy->phyindex field. If the PHY isn't gone, we can re-assign it the
- * same index next time it's added back to the topology
- */
-
- kfree(pdn);
-}
-EXPORT_SYMBOL_GPL(phy_link_topo_del_phy);
diff --git a/drivers/net/phy/phylink.c b/drivers/net/phy/phylink.c
index b7e5c669dc8e..994471fad833 100644
--- a/drivers/net/phy/phylink.c
+++ b/drivers/net/phy/phylink.c
@@ -3411,8 +3411,7 @@ static int phylink_sfp_connect_phy(void *upstream, struct phy_device *phy)
return ret;
}
-static void phylink_sfp_disconnect_phy(void *upstream,
- struct phy_device *phydev)
+static void phylink_sfp_disconnect_phy(void *upstream)
{
phylink_disconnect_phy(upstream);
}
diff --git a/drivers/net/phy/qcom/at803x.c b/drivers/net/phy/qcom/at803x.c
index 105602581a03..c8f83e5f78ab 100644
--- a/drivers/net/phy/qcom/at803x.c
+++ b/drivers/net/phy/qcom/at803x.c
@@ -770,8 +770,6 @@ static const struct sfp_upstream_ops at8031_sfp_ops = {
.attach = phy_sfp_attach,
.detach = phy_sfp_detach,
.module_insert = at8031_sfp_insert,
- .connect_phy = phy_sfp_connect_phy,
- .disconnect_phy = phy_sfp_disconnect_phy,
};
static int at8031_parse_dt(struct phy_device *phydev)
diff --git a/drivers/net/phy/qcom/qca807x.c b/drivers/net/phy/qcom/qca807x.c
index 5eb0ab1cb70e..672c6929119a 100644
--- a/drivers/net/phy/qcom/qca807x.c
+++ b/drivers/net/phy/qcom/qca807x.c
@@ -699,8 +699,6 @@ static const struct sfp_upstream_ops qca807x_sfp_ops = {
.detach = phy_sfp_detach,
.module_insert = qca807x_sfp_insert,
.module_remove = qca807x_sfp_remove,
- .connect_phy = phy_sfp_connect_phy,
- .disconnect_phy = phy_sfp_disconnect_phy,
};
static int qca807x_probe(struct phy_device *phydev)
diff --git a/drivers/net/phy/sfp-bus.c b/drivers/net/phy/sfp-bus.c
index 37c85f1e6534..2f44fc51848f 100644
--- a/drivers/net/phy/sfp-bus.c
+++ b/drivers/net/phy/sfp-bus.c
@@ -487,7 +487,7 @@ static void sfp_unregister_bus(struct sfp_bus *bus)
bus->socket_ops->stop(bus->sfp);
bus->socket_ops->detach(bus->sfp);
if (bus->phydev && ops && ops->disconnect_phy)
- ops->disconnect_phy(bus->upstream, bus->phydev);
+ ops->disconnect_phy(bus->upstream);
}
bus->registered = false;
}
@@ -743,7 +743,7 @@ void sfp_remove_phy(struct sfp_bus *bus)
const struct sfp_upstream_ops *ops = sfp_get_upstream_ops(bus);
if (ops && ops->disconnect_phy)
- ops->disconnect_phy(bus->upstream, bus->phydev);
+ ops->disconnect_phy(bus->upstream);
bus->phydev = NULL;
}
EXPORT_SYMBOL_GPL(sfp_remove_phy);
@@ -860,14 +860,3 @@ void sfp_unregister_socket(struct sfp_bus *bus)
sfp_bus_put(bus);
}
EXPORT_SYMBOL_GPL(sfp_unregister_socket);
-
-const char *sfp_get_name(struct sfp_bus *bus)
-{
- ASSERT_RTNL();
-
- if (bus->sfp_dev)
- return dev_name(bus->sfp_dev);
-
- return NULL;
-}
-EXPORT_SYMBOL_GPL(sfp_get_name);