xdma_channel_init(9)

🎀 xdma_channel_init(9) 🎀

okay so bestie, welcome to the Kernel API Manual ✨ this one's a little function with a big job and honestly? she's kind of iconic for it 💅

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✨ NAME ✨

xdma_channel_init — literally what it says on the tin: she's here to initialize DMA channel registers 💖

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🦋 SYNOPSIS 🦋

int xdma_channel_init (struct xdma_chan *chan );

that's the whole vibe check 💫 returns an int, takes one pointer, no cap 🙈

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🌸 ARGUMENTS 🌸

• chan — DMA channel pointer 🫶 the main character of this whole situation, fr fr

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👑 SEE ALSO 👑

girl, buckle up, because the friend group is large 🌈

The kernel file ./drivers/dma/xilinx/xdma.c and, in no particular order:

• struct xdma_desc_block(9)
• struct xdma_chan(9)
• struct xdma_desc(9)
• struct xdma_device(9)
• xdma_link_sg_desc_blocks(9)
• xdma_link_cyclic_desc_blocks(9)
• xdma_free_desc(9)
• xdma_alloc_desc(9)
• xdma_xfer_start(9)
• xdma_xfer_stop(9)
• xdma_alloc_channels(9)
• xdma_issue_pending(9)
• xdma_terminate_all(9)
• xdma_synchronize(9)
• xdma_fill_descs(9)
• xdma_prep_device_sg(9)
• xdma_prep_dma_cyclic(9)
• xdma_prep_interleaved_dma(9)
• xdma_device_config(9)
• xdma_free_chan_resources(9)
• xdma_alloc_chan_resources(9)
• xdma_channel_isr(9)
• xdma_irq_fini(9)
• xdma_set_vector_reg(9)
• xdma_irq_init(9)
• xdma_disable_user_irq(9)
• xdma_enable_user_irq(9)
• xdma_get_user_irq(9)
• xdma_remove(9)
• xdma_probe(9)

like I said. the entire group chat. 🫶

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ngl bestie this page keeps it short — init the registers, hand it a struct xdma_chan *, and go be a main character elsewhere 🧚

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and that's the tea ☕ this little transmission came from ./drivers/dma/xilinx, in the Kernel API Manual (version vibes, October 2026 edition 🌸) — mwah, stay slay, read your docs 💜✨🎀