tb_switch_la...ding_disable(9)

👑 tb_switch_lane_bonding_disable — the Kernel API Manual bestie edition ✨

okay so this is a page straight out of the Kernel API Manual, and it's all about tb_switch_lane_bonding_disable 💅 like, the whole manual, but this one function is our main character today.

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✨ NAME ✨

tb_switch_lane_bonding_disable — literally just Disable lane bonding 🎀 that's it, that's the vibe.

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🌸 SYNOPSIS 🌸

int tb_switch_lane_bonding_disable (struct tb_switch *sw );

no cap, that's the whole signature 🫶

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🦋 ARGUMENTS 🦋

• sw — the Switch whose lane bonding you're about to disable 💫 like, this is the device we're un-bonding, bestie.

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💖 DESCRIPTION 💖

So what does it do? It disables lane bonding between sw and its parent 🌈 that's the whole job.

And here's the slay part: you can call this even if the lanes were not bonded originally 🙈 no vibe check needed first, it just handles it. iconic behaviour honestly.

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⭐ RETURN ⭐

• 0 on success 🎉 periodt.
• a negative errno otherwise 😭 (so like, check it, bestie).

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🔥 SEE ALSO 🔥

The kernel file we're living in: ./drivers/thunderbolt/switch.c — and yes, the whole friend group is invited 🫶

• tb_switch_nvm_read(9)
• tb_port_state(9)
• tb_wait_for_port(9)
• tb_port_add_nfc_credits(9)
• tb_port_clear_counter(9)
• tb_port_unlock(9)
• tb_port_enable(9)
• tb_port_disable(9)
• tb_port_reset(9)
• tb_port_alloc_in_hopid(9)
• tb_port_alloc_out_hopid(9)
• tb_port_release_in_hopid(9)
• tb_port_release_out_hopid(9)
• tb_next_port_on_path(9)
• tb_port_get_link_speed(9)
• tb_port_get_link_generation(9)
• tb_port_get_link_width(9)
• tb_port_width_supported(9)
• tb_port_set_link_width(9)
• tb_port_set_lane_bonding(9)
• tb_port_lane_bonding_enable(9)
• tb_port_lane_bonding_disable(9)
• tb_port_wait_for_link_width(9)
• tb_port_update_credits(9)
• tb_port_is_enabled(9)
• tb_usb3_port_is_enabled(9)
• tb_usb3_port_enable(9)
• tb_pci_port_is_enabled(9)
• tb_pci_port_enable(9)
• tb_dp_port_hpd_is_active(9)
• tb_dp_port_hpd_clear(9)
• tb_dp_port_set_hops(9)
• tb_dp_port_is_enabled(9)
• tb_dp_port_enable(9)
• tb_switch_reset(9)
• tb_switch_wait_for_bit(9)
• tb_switch_alloc(9)
• tb_switch_alloc_safe_mode(9)
• tb_switch_configure(9)
• tb_switch_configuration_valid(9)
• tb_switch_lane_bonding_enable(9)
• tb_switch_set_link_width(9)
• tb_switch_configure_link(9)
• tb_switch_unconfigure_link(9)
• tb_switch_add(9)
• tb_switch_remove(9)
• tb_sw_set_unplugged(9)
• tb_switch_resume(9)
• tb_switch_suspend(9)
• tb_switch_query_dp_resource(9)
• tb_switch_alloc_dp_resource(9)
• tb_switch_dealloc_dp_resource(9)
• tb_switch_find_by_link_depth(9)
• tb_switch_find_by_uuid(9)
• tb_switch_find_by_route(9)
• tb_switch_find_port(9)
• tb_switch_pcie_l1_enable(9)
• tb_switch_xhci_connect(9)
• tb_switch_xhci_disconnect(9)

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and that's the page, bestie 💜 this lil beauty lives in ./drivers/thunderbolt, dated October 2026, and it's filed under tb_switch_la...ding_disable(9) — go off, lane bonding, you're disabled now 💅✨