atc_dostart(9)

okay so bestie, this is the Kernel API Manual page for atc_dostart — section 9 — and it's giving "short but iconic" ✨💅

🌸 NAME 🌸

atc_dostart — starts the DMA engine for real 💖

like, no cap, "for real" is literally in the description. periodt.

✨ SYNOPSIS ✨

void atc_dostart (struct at_dma_chan *atchan );

it's void, so don't go looking for a return value, bestie 🙈

🎀 ARGUMENTS 🎀

• atchan — the channel we want to start 🦋 that's the whole argument list, and we love a minimalist king 👑

🔥 SEE ALSO 🔥

the kernel file ./drivers/dma/at_hdmac.c is the main character here, and then the whole squad shows up:

• struct atdma_sg(9)
• struct at_desc(9)
• enum atc_status(9)
• struct at_dma_chan(9)
• struct at_dma(9)
• atc_chan_is_enabled(9)
• atc_chan_is_paused(9)
• atc_chan_is_cyclic(9)
• set_lli_eol(9)
• struct at_dma_platform_data(9)
• struct at_dma_slave(9)
• atc_calc_bytes_left(9)
• atc_get_llis_residue(9)
• atc_get_residue(9)
• atc_handle_error(9)
• atc_prep_dma_interleaved(9)
• atc_prep_dma_memcpy(9)
• atc_prep_dma_memset(9)
• atc_prep_slave_sg(9)
• atc_prep_dma_cyclic(9)
• atc_tx_status(9)
• atc_alloc_chan_resources(9)
• atc_free_chan_resources(9)
• at_dma_off(9)

and that's the whole page, bestie 🫶 sourced from ./drivers/dma, dated October 2026 — slay and goodbye 💜