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Bikkina" , netdev@vger.kernel.org, Pankaj Bansal , linux-kernel@vger.kernel.org, Calvin Johnson , Heiner Kallweit , Diana Madalina Craciun , linux-acpi@vger.kernel.org, Makarand Pawagi , Varun Sethi , Marcin Wojtas , "David S. Miller" , linux-arm-kernel@lists.infradead.org, Laurentiu Tudor Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org Define phylink_fwnode_phy_connect() to connect phy specified by a fwnode to a phylink instance. Signed-off-by: Calvin Johnson --- Changes in v3: remove NULL return check as it is invalid remove unused phylink_device_phy_connect() Changes in v2: replace of_ and acpi_ code with generic fwnode to get phy-handle. drivers/net/phy/phylink.c | 48 +++++++++++++++++++++++++++++++++++++++ include/linux/phylink.h | 3 +++ 2 files changed, 51 insertions(+) diff --git a/drivers/net/phy/phylink.c b/drivers/net/phy/phylink.c index 0f23bec431c1..560d1069426c 100644 --- a/drivers/net/phy/phylink.c +++ b/drivers/net/phy/phylink.c @@ -961,6 +961,54 @@ int phylink_connect_phy(struct phylink *pl, struct phy_device *phy) } EXPORT_SYMBOL_GPL(phylink_connect_phy); +/** + * phylink_fwnode_phy_connect() - connect the PHY specified in the fwnode. + * @pl: a pointer to a &struct phylink returned from phylink_create() + * @fwnode: a pointer to a &struct fwnode_handle. + * @flags: PHY-specific flags to communicate to the PHY device driver + * + * Connect the phy specified @fwnode to the phylink instance specified + * by @pl. Actions specified in phylink_connect_phy() will be + * performed. + * + * Returns 0 on success or a negative errno. + */ +int phylink_fwnode_phy_connect(struct phylink *pl, + struct fwnode_handle *fwnode, + u32 flags) +{ + struct fwnode_handle *phy_fwnode; + struct phy_device *phy_dev; + int ret = 0; + + /* Fixed links and 802.3z are handled without needing a PHY */ + if (pl->cfg_link_an_mode == MLO_AN_FIXED || + (pl->cfg_link_an_mode == MLO_AN_INBAND && + phy_interface_mode_is_8023z(pl->link_interface))) + return 0; + + phy_fwnode = fwnode_get_phy_node(fwnode); + if ((IS_ERR(phy_fwnode)) && pl->cfg_link_an_mode == MLO_AN_PHY) + return -ENODEV; + + phy_dev = fwnode_phy_find_device(phy_fwnode); + fwnode_handle_put(phy_fwnode); + if (!phy_dev) + return -ENODEV; + + ret = phy_attach_direct(pl->netdev, phy_dev, flags, + pl->link_interface); + if (ret) + return ret; + + ret = phylink_bringup_phy(pl, phy_dev, pl->link_config.interface); + if (ret) + phy_detach(phy_dev); + + return ret; +} +EXPORT_SYMBOL_GPL(phylink_fwnode_phy_connect); + /** * phylink_of_phy_connect() - connect the PHY specified in the DT mode. * @pl: a pointer to a &struct phylink returned from phylink_create() diff --git a/include/linux/phylink.h b/include/linux/phylink.h index cc5b452a184e..107fb0afc3bb 100644 --- a/include/linux/phylink.h +++ b/include/linux/phylink.h @@ -367,6 +367,9 @@ void phylink_add_pcs(struct phylink *, const struct phylink_pcs_ops *ops); void phylink_destroy(struct phylink *); int phylink_connect_phy(struct phylink *, struct phy_device *); +int phylink_fwnode_phy_connect(struct phylink *pl, + struct fwnode_handle *fwnode, + u32 flags); int phylink_of_phy_connect(struct phylink *, struct device_node *, u32 flags); void phylink_disconnect_phy(struct phylink *); -- 2.17.1 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel