dwc2_host_en...l_power_down(9)

💖 dwc2_host_enter_partial_power_down(9) — Kernel API Manual 💖

okay so bestie, welcome to the Kernel API Manual ✨ we're looking at dwc2_host_enter_partial_power_down today and honestly? it's giving "quiet luxury" — the whole point is literally to go low-power. iykyk 💅

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🌸 NAME 🌸

dwc2_host_enter_partial_power_down — puts the controller into partial power down. that's it, that's the vibe 🎀

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✨ SYNOPSIS ✨

int dwc2_host_enter_partial_power_down (struct dwc2_hsotg *hsotg );

like, it returns an int and takes exactly one arg. no drama 🦋

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🫶 ARGUMENTS 🫶

• hsotg — the programming view of the DWC_otg controller 👑 this is the main character right here

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💀 RETURN 💀

returns non-zero if it failed to enter host partial power down 😭 so like… zero = slay, non-zero = not slay. keep an eye on that fr fr

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🧚 DESCRIPTION 🧚

so this function is for entering Host mode partial power down ✨ that's the whole assignment and it ate. no cap, no extra lore, that's just what it does 💜

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🔥 SEE ALSO 🔥

kernel file ./drivers/usb/dwc2/hcd.c — and honestly the whole friend group showed up for this one, look at this roster 🫶

• 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_cleanup(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_clock_gating(9)
• dwc2_host_exit_clock_gating(9)

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and that's the whole page bestie, go take a nap — the controller sure is 😴

source: ./drivers/usb/dwc2 · dated October 2026 · page dwc2_host_en...l_power_down(9) — mwah, ily, see u in the next manpage 💋🎀