of_dma_controller_free(9)

💖 of_dma_controller_free(9) — Kernel API Manual 💖

okay bestie, welcome to the glow-up of the of_dma_controller_free(9) page from the Kernel API Manual ✨ this one is short, sweet, and fully in its cleanup era.

✨ NAME ✨

of_dma_controller_free — Remove a DMA controller from DT DMA helpers list 💅

🦋 SYNOPSIS 🦋

void of_dma_controller_free (struct device_node *np );

🎀 ARGUMENTS 🎀

• np — device node of DMA controller 🫶

💅 DESCRIPTION 💅

Memory allocated by of_dma_controller_register is freed here. so yeah, bestie — of_dma_controller_register did the allocating, and this is the function where that memory gets freed. that's the whole vibe. periodt. 💖

🌈 SEE ALSO 🌈

Kernel file ./drivers/dma/of-dma.c is the source-file home, and the related function squad is:

• of_dma_find_controller(9) 🔍
• of_dma_router_xlate(9) 🧚
• of_dma_controller_register(9) 📝
• of_dma_router_register(9) 🎀
• of_dma_match_channel(9) 🧩
• of_dma_request_slave_channel(9) 📡
• of_dma_simple_xlate(9) ✨
• of_dma_xlate_by_chan_id(9) 🆔

mwah 💋 this little page comes from source/version ./drivers/dma, dated October 2026, and it’s literally the of_dma_controller_free(9) manual. bye bestie, go free that controller 🫶🌸