ns87415_set_piomode(9)

okay bestie, welcome to the Kernel API Manual moment for ns87415_set_piomode — she’s iconic, she’s specific, and she’s here to handle PATA PIO timings 💖✨

🎀 NAME 🎀

ns87415_set_piomode — Initialize host controller PATA PIO timings

✨ SYNOPSIS ✨

this is the signature, exactly as it is — no edits, no cap:

void ns87415_set_piomode (struct ata_port *ap , struct ata_device *adev
);

🫶 ARGUMENTS 🫶

• ap — Port whose timings we are configuring.
• adev — Device to program.

💅 DESCRIPTION 💅

She sets the PIO mode for the device, in host controller PCI config space. That’s the assignment, and she ate. 🔥

LOCKING: None (inherited from caller). So don’t come for her about locks — she literally has none of her own, it’s inherited from the caller. periodt. 💀

🌈 SEE ALSO 🌈

Kernel file ./drivers/ata/pata_ns87415.c is home base, and these are the linked besties:

• ns87415_set_mode(9)
• ns87415_bmdma_setup(9)
• ns87415_bmdma_start(9)
• ns87415_bmdma_stop(9)
• ns87415_irq_clear(9)
• ns87415_check_atapi_dma(9)
• ns87560_read_buggy(9)
• ns87560_check_status(9)
• ns87560_tf_read(9)
• ns87560_bmdma_status(9)
• ns87415_init_one(9)

💌 cute sign-off time: this page lives under ./drivers/ata, it’s dated October 2026, and the whole thing is filed under ns87415_set_piomode(9). byeee 🫶🎀