msgdma_free_chan_resources(9)

💖 msgdma_free_chan_resources(9) — from the Kernel API Manual ✨

okay so bestie, welcome to the glow-up era of this page from the Kernel API Manual 🎀 no cap, this one's short and sweet, so let's get into it.

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🌸 NAME 🌸

msgdma_free_chan_resources — literally just frees your channel resources 💅 that's it, that's the whole vibe.

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✨ SYNOPSIS ✨

void msgdma_free_chan_resources (struct dma_chan *dchan);

it returns nothing (void), it takes one pointer, it's giving "clean up after yourself" main character energy 🫶

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🦋 ARGUMENTS 🦋

• dchan — the DMA channel pointer 👑 that's your channel bestie right there, the one whose resources are getting freed.

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🌈 SEE ALSO 🌈

the whole friend group 🫶 the kernel file lives at ./drivers/dma/altera-msgdma.c struct, and here's everyone else you should fr fr go read:

• msgdma_extended_desc(9)
• struct msgdma_sw_desc(9)
• msgdma_get_descriptor(9)
• msgdma_free_descriptor(9)
• msgdma_free_desc_list(9)
• msgdma_desc_config(9)
• msgdma_desc_config_eod(9)
• msgdma_tx_submit(9)
• msgdma_prep_memcpy(9)
• msgdma_prep_slave_sg(9)
• msgdma_copy_desc_to_fifo(9)
• msgdma_start_transfer(9)
• msgdma_issue_pending(9)
• msgdma_chan_desc_cleanup(9)
• msgdma_complete_descriptor(9)
• msgdma_free_descriptors(9)
• msgdma_alloc_chan_resources(9)
• msgdma_tasklet(9)
• msgdma_irq_handler(9)
• msgdma_dev_remove(9)
• msgdma_probe(9)
• msgdma_remove(9)

like, that's the entire group chat 😭 and msgdma_alloc_chan_resources(9) is literally the mirror image of this one — you allocate, you free, it's a whole cycle 🔥

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lowkey a heads-up from your girl: this page is only about freeing resources on that struct dma_chan *dchan. everything else? go check the homies above 💜

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mwah 💋 that's a wrap — this page came from ./drivers/dma, dated October 2026, and it's the msgdma_free_chan_resources(9) page you just read. slay, go free those resources responsibly bestie 🌸⭐💖