spi_finaliz...ent_transfer(9)

💅 spi_finalize_current_transfer — NAME

okay so bestie, this is spi_finalize_current_transfer — and what it does is report completion of a transfer. that's the whole vibe. it's from the Kernel API Manual, which is like the group chat where all the kernel functions live. 🎀

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✨ SYNOPSIS ✨

void spi_finalize_current_transfer (struct spi_controller *ctlr );

literally that's it. one function, one argument, zero drama. 🦋

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🫶 ARGUMENTS 🫶

• ctlr — the controller reporting completion. yes queen, this is the one telling everyone "we're done here". 👑

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🌸 DESCRIPTION 🌸

So here's the tea, bestie: this one gets called by SPI drivers that are using the core transfer_one_message implementation, and what it does is notify that implementation that the current interrupt driven transfer has finished, and that the next one may be scheduled. 🎀

it's giving "i'm done, next please" energy. the way that it keeps the whole queue moving is honestly iconic. ✨

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🔥 SEE ALSO 🔥

Kernel file ./drivers/spi/spi.c, and like… a lot of friends. no cap, here's the full squad:

• __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_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), spi_unoptimize_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)

iykyk 💅

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okay that's the whole page, bestie — this one lives in ./drivers/spi and the manual's dated October 2026. go forth and finalize those transfers, mwah 🫶💖