mhi_unprepar...r_power_down(9)

💅 mhi_unprepare_after_power_down — Kernel API Manual, section 9 ✨

okay so bestie, welcome to section 9 of the Kernel API Manual, the corner where the mhi_unprepare_after_power_down(9) girlies live 🎀 (yes the header truncates it to mhi_unprepar...r_power_down(9), no we don't know why, it's giving abbreviating-the-bestie energy 💀). Let's get into it.

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🌸 NAME 🌸

mhi_unprepare_after_power_down — literally frees any allocated memory after power down 🫶 that's the whole vibe check, that's the job.

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✨ SYNOPSIS ✨

void mhi_unprepare_after_power_down (struct mhi_controller *mhi_cntrl );

she returns void, she takes one pointer, she's lowkey unbothered 👑

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🦋 ARGUMENTS 🦋

• mhi_cntrl — the MHI controller 💜 that's it, that's the argument, that's the whole squad member.

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🔥 SEE ALSO 🔥

bestie the SEE ALSO list is long, and we are not skipping a single one of her friends, periodt. every name below appears exactly as the page says it, with that (9) tag on the end 💅

also she points you back at the kernel file ./include/linux/mhi.h, so go say hi 👋

🎀 the enums (the alphabet mafia of this page)

• enum mhi_callback(9), enum mhi_flags(9), enum mhi_device_type(9), enum mhi_ch_type(9)
• enum mhi_ee_type(9), enum mhi_state(9), enum mhi_ch_ee_mask(9), enum mhi_er_data_type(9)
• enum mhi_db_brst_mode(9)

🧚 the structs (the main characters)

• struct mhi_buf(9), struct image_info(9), struct mhi_link_info(9)
• struct mhi_channel_config(9), struct mhi_event_config(9), struct mhi_controller_config(9)
• struct mhi_controller(9), struct mhi_device(9), struct mhi_result(9), struct mhi_driver(9)

💖 controller lifecycle (the get-up-and-go girls)

• mhi_alloc_controller(9), mhi_free_controller(9)
• mhi_register_controller(9), mhi_unregister_controller(9)

🌈 driver registration (the paperwork squad)

• __mhi_driver_register(9), mhi_driver_unregister(9)

⭐ state + notify + desc counts

• mhi_set_mhi_state(9), mhi_notify(9), mhi_get_free_desc_count(9)

🌸 power up / power down (her direct coworkers 🫶)

• mhi_prepare_for_power_up(9), mhi_async_power_up(9), mhi_sync_power_up(9)
• mhi_power_down(9), mhi_power_down_keep_dev(9)
• mhi_pm_suspend(9), mhi_pm_resume(9), mhi_pm_resume_force(9)

🍓 rddm + exec env + soc reset

• mhi_download_rddm_image(9), mhi_force_rddm_mode(9)
• mhi_get_exec_env(9), mhi_get_mhi_state(9), mhi_soc_reset(9)

🧚 device get/put + transfer + queue (the data girlies)

• mhi_device_get_sync(9), mhi_device_put(9)
• mhi_prepare_for_transfer(9), mhi_unprepare_from_transfer(9)
• mhi_queue_buf(9), mhi_queue_skb(9), mhi_queue_is_full(9)
• mhi_get_channel_doorbell_offset(9)

💀 okay so that's 49 cross-references, count them if you dare, she's thorough and we respect it. not one dropped, not one renamed, no cap.

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and that's the page!! 🦋 go forth and free your memory responsibly bestie 💖

sign-off time ✨ — this icon was living in ./include/linux and dated October 2026, mwah 💋 🎀