piix_set_dmamode(9)

okay so bestie, we're looking at piix_set_dmamode(9) from the Kernel API Manual, and it's giving host controller PATA DMA timings initialization ✨ every detail is staying, no cap 💅

💅 NAME 💅

piix_set_dmamode — Initialize host controller PATA DMA timings.

✨ SYNOPSIS ✨

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

🫶 ARGUMENTS 🫶

• ap — Port whose timings we are configuring 💅
• adev — um 😭 (that is literally the whole description on the page — mysterious icon behavior, we respect it)

💖 DESCRIPTION 💖

Set MW/UDMA mode for device, in host controller PCI config space. Slay, that's the vibe ✨

LOCKING: None (inherited from caller). So no locking drama here — it comes from whoever called you, bestie 🫶

🌈 SEE ALSO 🌈

• Kernel file ./drivers/ata/ata_piix.c
• ich_pata_cable_detect(9)
• piix_pata_prereset(9)
• piix_set_piomode(9)
• do_pata_set_dmamode(9)
• ich_set_dmamode(9)
• piix_check_450nx_errata(9)
• piix_init_one(9)

xoxo, this cutie came from source ./drivers/ata, in the Kernel API Manual, dated October 2026 🫶💖