yt8821_utp_init(9)

💖 yt8821_utp_init(9) — the Kernel API Manual glow-up

okay so bestie, welcome to yt8821_utp_init, a real function from the Kernel API Manual, section 9 🎀 yes, section 9, the ~kernel~ section, we love her. this is the page where we meet the utp init, and honestly? she's giving quiet main character energy ✨

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✨ NAME ✨

yt8821_utp_init — utp init 💅

like, literally that's the whole name. "utp init". short, sweet, unbothered, does not elaborate. icon behavior honestly 🌸

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🌈 SYNOPSIS 🌈

int yt8821_utp_init (struct phy_device *phydev );

that's it, that's the vibe. she takes one argument, she returns an int, she's neat like that 🦋

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🫶 ARGUMENTS 🫶

• phydev — a pointer to a struct phy_device 👑 that's the whole thing. one pointer, one purpose. no cap.

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⭐ RETURN ⭐

returns 0 or a negative errno code 💀 so basically: zero = slay, negative = something went sideways, and the errno tells you what. no guessing games, fr fr.

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💜 SEE ALSO 💜

okay this is the part where the page introduces you to the entire extended family 😭 and there are a LOT of them, so buckle up bestie. also worth mentioning: this all lives in the Kernel file ./drivers/net/phy/motorcomm.c 🍓

• 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)
• ytphy_utp_read_lpa(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_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)

like... the whole friend group showed up 😭💖 every single one of them, in order, no one left behind, periodt.

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🧚 quick reminder bestie: those are all (9) pages, so they're all sitting in the same kernel-API section as this one. iykyk 💅

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and that's the page!! mwah 🫶 source path is ./drivers/net/phy, version stamp says October 2026, and yes the footer still reads yt8821_utp_init(9) because she's consistent like that ⭐ bye bestie, go read the other fifty 💜