[PATCH net-next v3 1/3] net: phylink: provide phylink_mac_implements_lpi()
From: Russell King (Oracle) <hidden>
Date: 2025-02-10 10:50:50
Also in:
linux-arm-kernel, linux-mediatek
Subsystem:
ethernet phy library, networking drivers, sff/sfp/sfp+ module support, the rest · Maintainers:
Andrew Lunn, Heiner Kallweit, "David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Russell King, Linus Torvalds
Provide a helper to determine whether the MAC operations structure implements the LPI operations, which will be used by both phylink and DSA. Signed-off-by: Russell King (Oracle) <redacted> --- drivers/net/phy/phylink.c | 3 +-- include/linux/phylink.h | 12 ++++++++++++ 2 files changed, 13 insertions(+), 2 deletions(-)
diff --git a/drivers/net/phy/phylink.c b/drivers/net/phy/phylink.c
index 214b62fba991..6fbb5fd5b400 100644
--- a/drivers/net/phy/phylink.c
+++ b/drivers/net/phy/phylink.c@@ -1957,8 +1957,7 @@ struct phylink *phylink_create(struct phylink_config *config, return ERR_PTR(-EINVAL); } - pl->mac_supports_eee_ops = mac_ops->mac_disable_tx_lpi && - mac_ops->mac_enable_tx_lpi; + pl->mac_supports_eee_ops = phylink_mac_implements_lpi(mac_ops); pl->mac_supports_eee = pl->mac_supports_eee_ops && pl->config->lpi_capabilities && !phy_interface_empty(pl->config->lpi_interfaces);
diff --git a/include/linux/phylink.h b/include/linux/phylink.h
index 898b00451bbf..0de78673172d 100644
--- a/include/linux/phylink.h
+++ b/include/linux/phylink.h@@ -737,6 +737,18 @@ static inline int phylink_get_link_timer_ns(phy_interface_t interface) } } +/** + * phylink_mac_implements_lpi() - determine if MAC implements LPI ops + * @ops: phylink_mac_ops structure + * + * Returns true if the phylink MAC operations structure indicates that the + * LPI operations have been implemented, false otherwise. + */ +static inline bool phylink_mac_implements_lpi(const struct phylink_mac_ops *ops) +{ + return ops && ops->mac_disable_tx_lpi && ops->mac_enable_tx_lpi; +} + void phylink_mii_c22_pcs_decode_state(struct phylink_link_state *state, unsigned int neg_mode, u16 bmsr, u16 lpa); void phylink_mii_c22_pcs_get_state(struct mdio_device *pcs,
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2.30.2