Messages in this thread Patch in this message | | | From | Michael Sit Wei Hong <> | Subject | [PATCH net v3 1/3] net: phylink: add phylink_expects_phy() method | Date | Fri, 24 Mar 2023 16:16:54 +0800 |
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Provide phylink_expects_phy() to allow MAC drivers to check if it is expecting a PHY to attach to. Since fixed-linked setups do not need to attach to a PHY.
Provides a boolean value as to if the MAC should expect a PHY. returns true if a PHY is expected.
Signed-off-by: Michael Sit Wei Hong <michael.wei.hong.sit@intel.com> --- drivers/net/phy/phylink.c | 13 +++++++++++++ include/linux/phylink.h | 1 + 2 files changed, 14 insertions(+)
diff --git a/drivers/net/phy/phylink.c b/drivers/net/phy/phylink.c index 1a2f074685fa..5c2bd1370993 100644 --- a/drivers/net/phy/phylink.c +++ b/drivers/net/phy/phylink.c @@ -1586,6 +1586,19 @@ void phylink_destroy(struct phylink *pl) } EXPORT_SYMBOL_GPL(phylink_destroy); +/** + * phylink_expects_phy() - Determine if phylink expects a phy to be attached + * @pl: a pointer to a &struct phylink returned from phylink_create() + * + * Fixed-link mode does not need a PHY, returns a boolean value to check if + * phylink will be expecting a PHY to attach. + */ +bool phylink_expects_phy(struct phylink *pl) +{ + return pl->cfg_link_an_mode != MLO_AN_FIXED; +} +EXPORT_SYMBOL_GPL(phylink_expects_phy); + static void phylink_phy_change(struct phy_device *phydev, bool up) { struct phylink *pl = phydev->phylink; diff --git a/include/linux/phylink.h b/include/linux/phylink.h index c492c26202b5..637698ed5cb6 100644 --- a/include/linux/phylink.h +++ b/include/linux/phylink.h @@ -574,6 +574,7 @@ struct phylink *phylink_create(struct phylink_config *, struct fwnode_handle *, phy_interface_t iface, const struct phylink_mac_ops *mac_ops); void phylink_destroy(struct phylink *); +bool phylink_expects_phy(struct phylink *pl); int phylink_connect_phy(struct phylink *, struct phy_device *); int phylink_of_phy_connect(struct phylink *, struct device_node *, u32 flags); -- 2.34.1
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