ytphy_utp_read_lpa(9)

💖 ytphy_utp_read_lpa(9) 💖

okay bestie, welcome to ytphy_utp_read_lpa(9) from the Kernel API Manual. This one is short and sweet: it reads LPA, then sets up lp_advertising for utp. No cap.

🌸 NAME 🌸

ytphy_utp_read_lpa — read LPA then setup lp_advertising for utp.

✨ SYNOPSIS ✨

int ytphy_utp_read_lpa (struct phy_device *phydev );

🎀 ARGUMENTS 🎀

• phydev — a pointer to a struct phy_device.

⚠️ NOTE ⚠️

The caller must have taken the MDIO bus lock. That part is not optional, bestie.

It returns 0 or a negative errno code.

🌈 SEE ALSO 🌈

Kernel file ./drivers/net/phy/motorcomm.c — plus this whole crew:

• ytphy_read_ext(9), ytphy_read_ext_with_lock(9), ytphy_write_ext(9), ytphy_write_ext_with_lock(9), ytphy_modify_ext(9), ytphy_modify_ext_with_lock(9)
• ytphy_get_wol(9), ytphy_set_wol(9), yt8521_read_page(9), yt8521_write_page(9), struct ytphy_cfg_reg_map(9), struct ytphy_ldo_vol_map(9)
• yt8521_probe(9), yt8521_adjust_status(9), yt8521_read_status_paged(9), yt8521_read_status(9), yt8521_modify_bmcr_paged(9), yt8521_modify_utp_fiber_bmcr(9)
• yt8521_soft_reset(9), yt8521_suspend(9), yt8521_resume(9), yt8521_config_init(9), yt8531_link_change_notify(9), yt8521_prepare_fiber_features(9)
• yt8521_fiber_setup_forced(9), ytphy_check_and_restart_aneg(9), yt8521_fiber_config_aneg(9), ytphy_setup_master_slave(9), ytphy_utp_config_advert(9), ytphy_utp_config_aneg(9)
• yt8521_config_aneg_paged(9), yt8521_config_aneg(9), yt8521_aneg_done_paged(9), yt8521_aneg_done(9), ytphy_utp_read_abilities(9), yt8521_get_features_paged(9)
• yt8521_get_features(9), yt8821_get_features(9), yt8821_get_rate_matching(9), yt8821_aneg_done(9), yt8821_serdes_init(9), yt8821_utp_init(9)
• yt8821_auto_sleep_config(9), yt8821_soft_reset(9), yt8821_config_init(9), yt8821_adjust_status(9), yt8821_update_interface(9), yt8821_read_status(9)
• yt8821_modify_utp_fiber_bmcr(9), yt8821_suspend(9), yt8821_resume(9)

xoxo, source/version ./drivers/net/phy — dated October 2026 — ytphy_utp_read_lpa(9) out 💅