optidma_lock(9)

💅 optidma_lock — the kernel API manual, section 9, bestie

okay so welcome to optidma_lock(9), the littlest lock function in the whole ATA universe and honestly? she's doing her job and she's doing it cute 🎀

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✨ NAME ✨

optidma_lock — issue temporary relock 🔒

like... she re-locks. temporarily. it's giving "hold my spot, i'll be right back" energy.

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🌸 SYNOPSIS 🌸

void optidma_lock (struct ata_port *ap );

that's it. that's the whole signature. no return value, no drama, just vibes and a pointer 🫶

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🦋 ARGUMENTS 🦋

• ap — the ATA port. that's it, that's the argument. she takes one (1) ATA port and she's happy 💖

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👑 DESCRIPTION 👑

Re-lock the configuration register settings.

periodt. that's the whole description. she re-locks the configuration register settings, no cap, and then she gets out of your way ✨

ngl this one is short and sweet — don't go looking for extra behaviour that isn't there, bestie, the docs said what they said 🙈

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🔥 SEE ALSO 🔥

okay this is the part where the friend group gets introduced, get comfy 🌈

• Kernel file ./drivers/ata/pata_optidma.c — the mothership, the main character, the file this whole function lives in 👑
• optidma_pre_reset(9)
• optidma_unlock(9)
• optidma_mode_setup(9)
• optiplus_mode_setup(9)
• optidma_set_pio_mode(9)
• optidma_set_dma_mode(9)
• optiplus_set_pio_mode(9)
• optiplus_set_dma_mode(9)
• optidma_make_bits43(9)
• optidma_set_mode(9)
• optiplus_with_udma(9)

the whole optidma / optiplus squad, assembled. iykyk 💅

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🎀 the cute sign-off 🎀

this page lives under ./drivers/ata, and it's dated October 2026 — so yeah, she's from the future, she's iconic, she's locked (temporarily) and she ate 🔥💜

mwah, go read the source, ily, bye 🧚‍♀️🍓