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phylink: convert to fwnode
Convert phylink to fwnode, switching phylink_create() from taking a device_node to taking a fwnode_handle. This will allow other firmware systems to take advantage of sfp/phylink support. Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk> Reviewed-by: Florian Fainelli <f.fainelli@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Russell King
David S. Miller
parent
c19bb00070
commit
8fa7b9b6af
2 changed files with 55 additions and 39 deletions
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@ -142,59 +142,64 @@ static int phylink_validate(struct phylink *pl, unsigned long *supported,
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return phylink_is_empty_linkmode(supported) ? -EINVAL : 0;
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}
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static int phylink_parse_fixedlink(struct phylink *pl, struct device_node *np)
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static int phylink_parse_fixedlink(struct phylink *pl,
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struct fwnode_handle *fwnode)
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{
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struct device_node *fixed_node;
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struct fwnode_handle *fixed_node;
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const struct phy_setting *s;
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struct gpio_desc *desc;
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const __be32 *fixed_prop;
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u32 speed;
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int ret, len;
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int ret;
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fixed_node = of_get_child_by_name(np, "fixed-link");
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fixed_node = fwnode_get_named_child_node(fwnode, "fixed-link");
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if (fixed_node) {
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ret = of_property_read_u32(fixed_node, "speed", &speed);
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ret = fwnode_property_read_u32(fixed_node, "speed", &speed);
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pl->link_config.speed = speed;
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pl->link_config.duplex = DUPLEX_HALF;
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if (of_property_read_bool(fixed_node, "full-duplex"))
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if (fwnode_property_read_bool(fixed_node, "full-duplex"))
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pl->link_config.duplex = DUPLEX_FULL;
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/* We treat the "pause" and "asym-pause" terminology as
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* defining the link partner's ability. */
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if (of_property_read_bool(fixed_node, "pause"))
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if (fwnode_property_read_bool(fixed_node, "pause"))
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pl->link_config.pause |= MLO_PAUSE_SYM;
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if (of_property_read_bool(fixed_node, "asym-pause"))
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if (fwnode_property_read_bool(fixed_node, "asym-pause"))
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pl->link_config.pause |= MLO_PAUSE_ASYM;
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if (ret == 0) {
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desc = fwnode_get_named_gpiod(&fixed_node->fwnode,
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"link-gpios", 0,
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GPIOD_IN, "?");
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desc = fwnode_get_named_gpiod(fixed_node, "link-gpios",
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0, GPIOD_IN, "?");
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if (!IS_ERR(desc))
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pl->link_gpio = desc;
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else if (desc == ERR_PTR(-EPROBE_DEFER))
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ret = -EPROBE_DEFER;
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}
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of_node_put(fixed_node);
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fwnode_handle_put(fixed_node);
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if (ret)
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return ret;
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} else {
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fixed_prop = of_get_property(np, "fixed-link", &len);
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if (!fixed_prop) {
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u32 prop[5];
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ret = fwnode_property_read_u32_array(fwnode, "fixed-link",
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NULL, 0);
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if (ret != ARRAY_SIZE(prop)) {
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netdev_err(pl->netdev, "broken fixed-link?\n");
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return -EINVAL;
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}
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if (len == 5 * sizeof(*fixed_prop)) {
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pl->link_config.duplex = be32_to_cpu(fixed_prop[1]) ?
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ret = fwnode_property_read_u32_array(fwnode, "fixed-link",
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prop, ARRAY_SIZE(prop));
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if (!ret) {
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pl->link_config.duplex = prop[1] ?
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DUPLEX_FULL : DUPLEX_HALF;
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pl->link_config.speed = be32_to_cpu(fixed_prop[2]);
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if (be32_to_cpu(fixed_prop[3]))
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pl->link_config.speed = prop[2];
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if (prop[3])
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pl->link_config.pause |= MLO_PAUSE_SYM;
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if (be32_to_cpu(fixed_prop[4]))
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if (prop[4])
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pl->link_config.pause |= MLO_PAUSE_ASYM;
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}
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}
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@ -230,17 +235,17 @@ static int phylink_parse_fixedlink(struct phylink *pl, struct device_node *np)
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return 0;
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}
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static int phylink_parse_mode(struct phylink *pl, struct device_node *np)
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static int phylink_parse_mode(struct phylink *pl, struct fwnode_handle *fwnode)
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{
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struct device_node *dn;
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struct fwnode_handle *dn;
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const char *managed;
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dn = of_get_child_by_name(np, "fixed-link");
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if (dn || of_find_property(np, "fixed-link", NULL))
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dn = fwnode_get_named_child_node(fwnode, "fixed-link");
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if (dn || fwnode_property_present(fwnode, "fixed-link"))
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pl->link_an_mode = MLO_AN_FIXED;
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of_node_put(dn);
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fwnode_handle_put(dn);
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if (of_property_read_string(np, "managed", &managed) == 0 &&
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if (fwnode_property_read_string(fwnode, "managed", &managed) == 0 &&
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strcmp(managed, "in-band-status") == 0) {
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if (pl->link_an_mode == MLO_AN_FIXED) {
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netdev_err(pl->netdev,
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@ -491,16 +496,24 @@ static void phylink_run_resolve(struct phylink *pl)
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static const struct sfp_upstream_ops sfp_phylink_ops;
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static int phylink_register_sfp(struct phylink *pl, struct device_node *np)
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static int phylink_register_sfp(struct phylink *pl,
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struct fwnode_handle *fwnode)
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{
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struct device_node *sfp_np;
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struct fwnode_reference_args ref;
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int ret;
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sfp_np = of_parse_phandle(np, "sfp", 0);
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if (!sfp_np)
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return 0;
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ret = fwnode_property_get_reference_args(fwnode, "sfp", NULL,
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0, 0, &ref);
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if (ret < 0) {
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if (ret == -ENOENT)
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return 0;
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pl->sfp_bus = sfp_register_upstream(of_fwnode_handle(sfp_np),
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pl->netdev, pl,
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netdev_err(pl->netdev, "unable to parse \"sfp\" node: %d\n",
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ret);
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return ret;
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}
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pl->sfp_bus = sfp_register_upstream(ref.fwnode, pl->netdev, pl,
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&sfp_phylink_ops);
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if (!pl->sfp_bus)
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return -ENOMEM;
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@ -511,7 +524,8 @@ static int phylink_register_sfp(struct phylink *pl, struct device_node *np)
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/**
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* phylink_create() - create a phylink instance
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* @ndev: a pointer to the &struct net_device
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* @np: a pointer to a &struct device_node describing the network interface
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* @fwnode: a pointer to a &struct fwnode_handle describing the network
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* interface
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* @iface: the desired link mode defined by &typedef phy_interface_t
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* @ops: a pointer to a &struct phylink_mac_ops for the MAC.
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*
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@ -521,7 +535,8 @@ static int phylink_register_sfp(struct phylink *pl, struct device_node *np)
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* Returns a pointer to a &struct phylink, or an error-pointer value. Users
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* must use IS_ERR() to check for errors from this function.
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*/
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struct phylink *phylink_create(struct net_device *ndev, struct device_node *np,
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struct phylink *phylink_create(struct net_device *ndev,
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struct fwnode_handle *fwnode,
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phy_interface_t iface,
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const struct phylink_mac_ops *ops)
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{
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@ -549,21 +564,21 @@ struct phylink *phylink_create(struct net_device *ndev, struct device_node *np,
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linkmode_copy(pl->link_config.advertising, pl->supported);
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phylink_validate(pl, pl->supported, &pl->link_config);
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ret = phylink_parse_mode(pl, np);
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ret = phylink_parse_mode(pl, fwnode);
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if (ret < 0) {
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kfree(pl);
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return ERR_PTR(ret);
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}
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if (pl->link_an_mode == MLO_AN_FIXED) {
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ret = phylink_parse_fixedlink(pl, np);
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ret = phylink_parse_fixedlink(pl, fwnode);
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if (ret < 0) {
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kfree(pl);
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return ERR_PTR(ret);
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}
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}
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ret = phylink_register_sfp(pl, np);
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ret = phylink_register_sfp(pl, fwnode);
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if (ret < 0) {
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kfree(pl);
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return ERR_PTR(ret);
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@ -7,6 +7,7 @@
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struct device_node;
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struct ethtool_cmd;
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struct fwnode_handle;
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struct net_device;
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enum {
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@ -182,7 +183,7 @@ void mac_link_up(struct net_device *ndev, unsigned int mode,
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struct phy_device *phy);
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#endif
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struct phylink *phylink_create(struct net_device *, struct device_node *,
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struct phylink *phylink_create(struct net_device *, struct fwnode_handle *,
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phy_interface_t iface, const struct phylink_mac_ops *ops);
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void phylink_destroy(struct phylink *);
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