acpm_do_xfer(9)

💅 NAME 💅

okay so this is acpm_do_xfer(9) from the Kernel API Manual, and it is literally the “do one transfer” page. no cap. ✨

acpm_do_xfer — do one transfer. 💅

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✨ SYNOPSIS ✨

bestie, the signature is right here:

int acpm_do_xfer (struct acpm_handle *handle , const struct acpm_xfer
       *xfer );

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🫶 ARGUMENTS 🫶

two whole arguments, and they are iconic:

• handle — pointer to the acpm handle. 🫶
• xfer — transfer to initiate and wait for response. ✨

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🌈 RETURN 🌈

• 0 on success, -errno otherwise. periodt. 💅

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🦋 SEE ALSO 🦋

Kernel file: ./drivers/firmware/samsung/exynos-acpm.c — the whole little lore hub. 🌸

the linked-up fam:

• struct acpm_shmem(9)
• struct acpm_chan_shmem(9)
• struct acpm_queue(9)
• struct acpm_rx_data(9)
• struct acpm_chan(9)
• struct acpm_info(9)
• struct acpm_match_data(9)
• acpm_get_saved_rx(9)
• acpm_get_rx(9)
• acpm_dequeue_by_polling(9)
• acpm_wait_for_queue_slots(9)
• acpm_prepare_xfer(9)
• acpm_wait_for_message_response(9)
• acpm_set_xfer(9)
• acpm_chan_shmem_get_params(9)
• acpm_achan_alloc_cmds(9)
• acpm_free_mbox_chans(9)
• acpm_channels_init(9)
• acpm_handle_put(9)
• devm_acpm_release(9)
• acpm_get_by_node(9)
• devm_acpm_get_by_node(9)
• devm_acpm_get_by_phandle(9)

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🌸 tiny sign-off: this page lives in the ./drivers/firmware/samsung source/version corner, dated October 2026, and it is the acpm_do_xfer(9) page. bye bestie, go do exactly one transfer 💅🫶