tb_port_reset(9)

tb_port_reset(9) 💥

okay bestie, welcome to this Kernel API Manual page — it's literally all about resetting one port, and we're keeping every detail. no cap 🫶

🌸 NAME 🌸

tb_port_reset — reset the port. periodt.

✨ SYNOPSIS ✨

int tb_port_reset (struct tb_port *port );

🎀 ARGUMENTS 🎀

• port — the port to reset, bestie. that's the one.

🦋 DESCRIPTION 🦋

okay so tb_port_reset resets port. for USB4 ports, this issues a USB4 port reset. for legacy ports, the link controller port is reset. that's the whole vibe — focused, iconic, no extra side quests 💅

🔥 RETURN 🔥

0 on success, negative errno otherwise. fr fr.

👑 SEE ALSO 👑

• Kernel file: ./drivers/thunderbolt/switch.c
• 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_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_lane_bonding_disable(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)

mwah 💋 cute sign-off from ./drivers/thunderbolt — October 2026 — tb_port_reset(9). 🧚