sch_set_dmamode(9)

💖 NAME 💖

okay bestie, this is sch_set_dmamode(9) from the Kernel API Manual 💅 and it's here to Initialize host controller PATA DMA timings ✨

✨ SYNOPSIS ✨

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

🎀 ARGUMENTS 🎀

• ap — the port whose timings we are configuring 🫶
• adev — the ATA device 💖

🦋 DESCRIPTION 🦋

So like, this one sets the MW/UDMA mode for the device, in the host controller PCI config space. That's the whole vibe ✨

LOCKING: None (inherited from caller) 😌

🌸 SEE ALSO 🌸

• Kernel file ./drivers/ata/pata_sch.c 📁
• sch_set_piomode(9) 🌟
• sch_init_one(9) 💫

okay that's the page, bestie 💖 source/version vibe: ./drivers/ata, dated October 2026 — sch_set_dmamode(9) signing off 🫶✨