diff options
Diffstat (limited to 'drivers/net/dsa/qca/qca8k-8xxx.c')
| -rw-r--r-- | drivers/net/dsa/qca/qca8k-8xxx.c | 74 |
1 files changed, 42 insertions, 32 deletions
diff --git a/drivers/net/dsa/qca/qca8k-8xxx.c b/drivers/net/dsa/qca/qca8k-8xxx.c index 4ce68e655a..6f2a7aee7e 100644 --- a/drivers/net/dsa/qca/qca8k-8xxx.c +++ b/drivers/net/dsa/qca/qca8k-8xxx.c @@ -323,14 +323,14 @@ static int qca8k_read_eth(struct qca8k_priv *priv, u32 reg, u32 *val, int len) mutex_lock(&mgmt_eth_data->mutex); - /* Check mgmt_master if is operational */ - if (!priv->mgmt_master) { + /* Check if the mgmt_conduit if is operational */ + if (!priv->mgmt_conduit) { kfree_skb(skb); mutex_unlock(&mgmt_eth_data->mutex); return -EINVAL; } - skb->dev = priv->mgmt_master; + skb->dev = priv->mgmt_conduit; reinit_completion(&mgmt_eth_data->rw_done); @@ -375,14 +375,14 @@ static int qca8k_write_eth(struct qca8k_priv *priv, u32 reg, u32 *val, int len) mutex_lock(&mgmt_eth_data->mutex); - /* Check mgmt_master if is operational */ - if (!priv->mgmt_master) { + /* Check if the mgmt_conduit if is operational */ + if (!priv->mgmt_conduit) { kfree_skb(skb); mutex_unlock(&mgmt_eth_data->mutex); return -EINVAL; } - skb->dev = priv->mgmt_master; + skb->dev = priv->mgmt_conduit; reinit_completion(&mgmt_eth_data->rw_done); @@ -508,7 +508,7 @@ qca8k_bulk_read(void *ctx, const void *reg_buf, size_t reg_len, struct qca8k_priv *priv = ctx; u32 reg = *(u16 *)reg_buf; - if (priv->mgmt_master && + if (priv->mgmt_conduit && !qca8k_read_eth(priv, reg, val_buf, val_len)) return 0; @@ -531,7 +531,7 @@ qca8k_bulk_gather_write(void *ctx, const void *reg_buf, size_t reg_len, u32 reg = *(u16 *)reg_buf; u32 *val = (u32 *)val_buf; - if (priv->mgmt_master && + if (priv->mgmt_conduit && !qca8k_write_eth(priv, reg, val, val_len)) return 0; @@ -626,7 +626,7 @@ qca8k_phy_eth_command(struct qca8k_priv *priv, bool read, int phy, struct sk_buff *write_skb, *clear_skb, *read_skb; struct qca8k_mgmt_eth_data *mgmt_eth_data; u32 write_val, clear_val = 0, val; - struct net_device *mgmt_master; + struct net_device *mgmt_conduit; int ret, ret1; bool ack; @@ -683,18 +683,18 @@ qca8k_phy_eth_command(struct qca8k_priv *priv, bool read, int phy, */ mutex_lock(&mgmt_eth_data->mutex); - /* Check if mgmt_master is operational */ - mgmt_master = priv->mgmt_master; - if (!mgmt_master) { + /* Check if mgmt_conduit is operational */ + mgmt_conduit = priv->mgmt_conduit; + if (!mgmt_conduit) { mutex_unlock(&mgmt_eth_data->mutex); mutex_unlock(&priv->bus->mdio_lock); ret = -EINVAL; - goto err_mgmt_master; + goto err_mgmt_conduit; } - read_skb->dev = mgmt_master; - clear_skb->dev = mgmt_master; - write_skb->dev = mgmt_master; + read_skb->dev = mgmt_conduit; + clear_skb->dev = mgmt_conduit; + write_skb->dev = mgmt_conduit; reinit_completion(&mgmt_eth_data->rw_done); @@ -780,7 +780,7 @@ exit: return ret; /* Error handling before lock */ -err_mgmt_master: +err_mgmt_conduit: kfree_skb(read_skb); err_read_skb: kfree_skb(clear_skb); @@ -949,34 +949,45 @@ qca8k_mdio_register(struct qca8k_priv *priv) struct dsa_switch *ds = priv->ds; struct device_node *mdio; struct mii_bus *bus; + int err; + + mdio = of_get_child_by_name(priv->dev->of_node, "mdio"); bus = devm_mdiobus_alloc(ds->dev); - if (!bus) - return -ENOMEM; + if (!bus) { + err = -ENOMEM; + goto out_put_node; + } bus->priv = (void *)priv; snprintf(bus->id, MII_BUS_ID_SIZE, "qca8k-%d.%d", ds->dst->index, ds->index); bus->parent = ds->dev; bus->phy_mask = ~ds->phys_mii_mask; - ds->slave_mii_bus = bus; + ds->user_mii_bus = bus; /* Check if the devicetree declare the port:phy mapping */ - mdio = of_get_child_by_name(priv->dev->of_node, "mdio"); if (of_device_is_available(mdio)) { - bus->name = "qca8k slave mii"; + bus->name = "qca8k user mii"; bus->read = qca8k_internal_mdio_read; bus->write = qca8k_internal_mdio_write; - return devm_of_mdiobus_register(priv->dev, bus, mdio); + err = devm_of_mdiobus_register(priv->dev, bus, mdio); + goto out_put_node; } /* If a mapping can't be found the legacy mapping is used, * using the qca8k_port_to_phy function */ - bus->name = "qca8k-legacy slave mii"; + bus->name = "qca8k-legacy user mii"; bus->read = qca8k_legacy_mdio_read; bus->write = qca8k_legacy_mdio_write; - return devm_mdiobus_register(priv->dev, bus); + + err = devm_mdiobus_register(priv->dev, bus); + +out_put_node: + of_node_put(mdio); + + return err; } static int @@ -1728,10 +1739,10 @@ qca8k_get_tag_protocol(struct dsa_switch *ds, int port, } static void -qca8k_master_change(struct dsa_switch *ds, const struct net_device *master, - bool operational) +qca8k_conduit_change(struct dsa_switch *ds, const struct net_device *conduit, + bool operational) { - struct dsa_port *dp = master->dsa_ptr; + struct dsa_port *dp = conduit->dsa_ptr; struct qca8k_priv *priv = ds->priv; /* Ethernet MIB/MDIO is only supported for CPU port 0 */ @@ -1741,7 +1752,7 @@ qca8k_master_change(struct dsa_switch *ds, const struct net_device *master, mutex_lock(&priv->mgmt_eth_data.mutex); mutex_lock(&priv->mib_eth_data.mutex); - priv->mgmt_master = operational ? (struct net_device *)master : NULL; + priv->mgmt_conduit = operational ? (struct net_device *)conduit : NULL; mutex_unlock(&priv->mib_eth_data.mutex); mutex_unlock(&priv->mgmt_eth_data.mutex); @@ -2016,7 +2027,7 @@ static const struct dsa_switch_ops qca8k_switch_ops = { .get_phy_flags = qca8k_get_phy_flags, .port_lag_join = qca8k_port_lag_join, .port_lag_leave = qca8k_port_lag_leave, - .master_state_change = qca8k_master_change, + .conduit_state_change = qca8k_conduit_change, .connect_tag_protocol = qca8k_connect_tag_protocol, }; @@ -2038,12 +2049,11 @@ qca8k_sw_probe(struct mdio_device *mdiodev) priv->info = of_device_get_match_data(priv->dev); priv->reset_gpio = devm_gpiod_get_optional(priv->dev, "reset", - GPIOD_ASIS); + GPIOD_OUT_HIGH); if (IS_ERR(priv->reset_gpio)) return PTR_ERR(priv->reset_gpio); if (priv->reset_gpio) { - gpiod_set_value_cansleep(priv->reset_gpio, 1); /* The active low duration must be greater than 10 ms * and checkpatch.pl wants 20 ms. */ |