dwc2_hc_cleanup(9)

💅 dwc2_hc_cleanup(9) — like, the kernel API manual bestie ✨

okay so we're diving into the Kernel API Manual today and honestly? it's giving niche-but-important 🎀 this one's a little function with one job and it does it, periodt.

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✨ NAME ✨

dwc2_hc_cleanup — clears the transfer state for a host channel 🧹💖

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🌸 SYNOPSIS 🌸

void dwc2_hc_cleanup (struct dwc2_hsotg *hsotg , struct dwc2_host_chan
*chan );

like yes, that's the whole signature, no cap 🫶

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🦋 ARGUMENTS 🦋

• hsotg — the programming view of the DWC_otg controller ✨ this is the big-picture vibe of the whole controller.
• chan — identifies the host channel we're cleaning up 🎀 it's literally the one getting the glow-up reset.

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💜 DESCRIPTION 💜

so this function is normally called after a transfer is done and the host channel is being released 👑 like, the transfer finished, the channel's packing its bags, and dwc2_hc_cleanup makes sure the state is cleared out. main character energy for a cleanup function, honestly 🌈

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⭐ SEE ALSO ⭐

the kernel file lives at ./drivers/usb/dwc2/hcd.c 💅 and here's the whole squad — every single one, no skips, iykyk 🔥

• dwc2_enable_common_interrupts(9)
• dwc2_enable_host_interrupts(9)
• dwc2_disable_host_interrupts(9)
• dwc2_calc_frame_interval(9)
• dwc2_read_packet(9)
• dwc2_dump_channel_info(9)
• dwc2_hc_init(9)
• dwc2_hc_halt(9)
• dwc2_hc_set_even_odd_frame(9)
• dwc2_hc_write_packet(9)
• dwc2_hc_do_ping(9)
• dwc2_hc_start_transfer(9)
• dwc2_hc_start_transfer_ddma(9)
• dwc2_hc_continue_transfer(9)
• dwc2_hcd_start(9)
• dwc2_hcd_connect(9)
• dwc2_hcd_disconnect(9)
• dwc2_hcd_rem_wakeup(9)
• dwc2_hcd_stop(9)
• dwc2_core_init(9)
• dwc2_core_host_init(9)
• dwc2_assign_and_init_hc(9)
• dwc2_hcd_select_transactions(9)
• dwc2_queue_transaction(9)
• dwc2_hcd_queue_transactions(9)
• dwc2_port_suspend(9)
• dwc2_port_resume(9)
• dwc2_host_get_tt_info(9)
• dwc2_host_put_tt_info(9)
• dwc2_backup_host_registers(9)
• dwc2_restore_host_registers(9)
• dwc2_host_enter_hibernation(9)
• dwc2_host_enter_partial_power_down(9)
• dwc2_host_enter_clock_gating(9)
• dwc2_host_exit_clock_gating(9)

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lowkey a whole friend group of functions 💀 go read them too, bestie, they're all in ./drivers/usb/dwc2/hcd.c 🌸

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that's the page !! 💖 this one ships from the ./drivers/usb/dwc2 corner of the kernel, dated October 2026, and it's your girl dwc2_hc_cleanup(9) signing off 🎀✨ slay responsibly 🫶