sc1200_set_dmamode(9)

okay so bestie, welcome to the sc1200_set_dmamode page from the Kernel API Manual 🎀✨ this one is short, iconic, and all about DMA timing setup 💅

💖 NAME 💖

sc1200_set_dmamode — DMA timing setup ⚡

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🌸 SYNOPSIS 🌸

void sc1200_set_dmamode (struct ata_port *ap , struct ata_device *adev
       );

it returns void, so no return value to obsess over — she just does the timing setup vibe and dips 🫶

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🦋 ARGUMENTS 🦋

• ap — ATA interface ✨ the ATA interface in question, periodt
• adev — Device being configured 🎀 the device getting its config moment

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🔥 DESCRIPTION 🔥

The page says it straight: we cannot mix MWDMA and UDMA without reloading timings each switch master to slave 😭 like, that is the whole rule, no cap.

so yeah — MWDMA + UDMA mixing? not without reloading timings every single time you switch master to slave. it’s giving “short description, main character energy” 💀✨

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🌈 SEE ALSO 🌈

• Kernel file ./drivers/ata/pata_sc1200.c 👑
• sc1200_clock(9) ⭐
• sc1200_set_piomode(9) 🦋
• sc1200_qc_issue(9) 💜
• sc1200_qc_defer(9) 🌸
• sc1200_init_one(9) 🎀

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mwah 💋 that’s the whole page, bestie — source/version ./drivers/ata, dated October 2026, and the page is sc1200_set_dmamode(9) 🫶✨