spi_unoptimize_message(9)

🎀 NAME 🎀

okay so welcome to the Kernel API Manual page for spi_unoptimize_message(9) — the cleanup bestie that releases any resources allocated by spi_optimize_message(). It’s giving “you had your optimized moment, now let it go” energy. 💅

✨ SYNOPSIS ✨

void spi_unoptimize_message (struct spi_message *msg );

🫶 ARGUMENTS 🫶

• msg — the message to unoptimize. That’s the whole vibe: hand over the message and let it get unoptimized. 💖

🌸 DESCRIPTION 🌸

Calls to this function must be balanced with calls to spi_optimize_message. fr fr, it’s a matching set — optimize one way, unoptimize the other, no lonely calls. periodt. 💫

😴 CONTEXT 😴

can sleep. literally, this one can sleep 😴.

👑 SEE ALSO 👑

the whole SPI cinematic universe is here, bestie:

• Kernel file ./drivers/spi/spi.c
• __spi_register_driver(9)
• spi_alloc_device(9)
• spi_add_device(9)
• spi_new_device(9)
• spi_unregister_device(9)
• spi_register_board_info(9)
• spi_res_alloc(9)
• spi_res_free(9)
• spi_res_add(9)
• spi_res_release(9)
• spi_finalize_current_transfer(9)
• __spi_pump_messages(9)
• spi_pump_messages(9)
• spi_take_timestamp_pre(9)
• spi_take_timestamp_post(9)
• spi_set_thread_rt(9)
• spi_get_next_queued_message(9)
• spi_finalize_current_message(9)
• spi_queued_transfer(9)
• spi_flush_queue(9)
• of_register_spi_devices(9)
• spi_new_ancillary_device(9)
• devm_spi_new_ancillary_device(9)
• acpi_spi_count_resources(9)
• acpi_spi_device_alloc(9)
• spi_target_abort(9)
• __spi_alloc_controller(9)
• __devm_spi_alloc_controller(9)
• spi_get_gpio_descs(9)
• spi_register_controller(9)
• devm_spi_register_controller(9)
• spi_unregister_controller(9)
• spi_replace_transfers(9)
• spi_split_transfers_maxsize(9)
• spi_split_transfers_maxwords(9)
• spi_set_cs_timing(9)
• spi_setup(9)
• spi_optimize_message(9)
• devm_spi_optimize_message(9)
• spi_async(9)
• spi_sync(9)
• spi_sync_locked(9)
• spi_bus_lock(9)
• spi_bus_unlock(9)
• spi_write_then_read(9)

mwah 💋 this page is from ./drivers/spi and dated October 2026 — that’s the source/version and date, bestie. 🫶✨