ep93xx_dma_issue_pending(9)

💅 ep93xx_dma_issue_pending(9) — like, the Kernel API Manual page, bestie 🎀

okay so this is a page straight out of the Kernel API Manual, and it's about one tiny little function that does a very slay job. it's giving "short but iconic" ✨ let's get into it.

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🌸 NAME 🌸

ep93xx_dma_issue_pending — bestie, this is the one that pushes your pending transactions to the hardware. literally its whole thing. no cap 💖

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✨ SYNOPSIS ✨

void ep93xx_dma_issue_pending (struct dma_chan *chan );

that's it. that's the whole call. flawless, no notes 🫶

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🦋 ARGUMENTS 🦋

• chan — the channel 👑 that's it, that's the description. she's a channel, she's the main character, we move.

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💜 DESCRIPTION 💜

so, when this function gets called? all the pending transactions get pushed to the hardware and then they get executed. periodt. 🎀🔥

like, nothing left waiting, nothing left hanging — everything that was queued up goes straight to the hardware and actually runs. the way that this function just delivers 😭💅

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🍓 SEE ALSO 🍓

the kernel file lives at ./drivers/dma/ep93xx_dma.c, and here's the whole friend group — go say hi 🫶🌈

• struct ep93xx_dma_desc(9)
• struct ep93xx_dma_chan(9)
• struct ep93xx_dma_engine(9)
• ep93xx_dma_set_active(9)
• ep93xx_dma_advance_active(9)
• ep93xx_dma_advance_work(9)
• ep93xx_dma_tx_submit(9)
• ep93xx_dma_alloc_chan_resources(9)
• ep93xx_dma_free_chan_resources(9)
• ep93xx_dma_prep_dma_memcpy(9)
• ep93xx_dma_prep_slave_sg(9)
• ep93xx_dma_prep_dma_cyclic(9)
• ep93xx_dma_synchronize(9)
• ep93xx_dma_terminate_all(9)
• ep93xx_dma_tx_status(9)

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okay that's the page!! 💖 mwah, love u, go push some pending transactions — and if u ever forget where this came from: ./drivers/dma, October 2026, ep93xx_dma_issue_pending(9) 🧚‍♀️⭐ slay and goodbye 🎀