adf_dev_stop(9)

💅 adf_dev_stop — bestie, we're shutting it DOWN

okay so real talk, this one lives in section 9 of the Kernel API Manual, and it's literally the "everybody out of the pool" function for your accel device. no cap.

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✨ SYNOPSIS ✨

void adf_dev_stop (struct adf_accel_dev *accel_dev );

like, that's it. that's the whole signature. she's simple, she's iconic 🎀

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🌸 ARGUMENTS 🌸

• accel_dev — Pointer to acceleration device. yeah. that's the one you're stopping. the main character of this whole operation 💅

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🔥 DESCRIPTION 🔥

so here's the vibe: adf_dev_stop notifies all the registered services that the acceleration device is shutting down. that's it. that's the job. she's a messenger, and the message is "we're closing, pack it up" 😭

To be used by QAT device specific drivers. — like, that's your lane, bestie. if you're not a QAT device specific driver, this is not your function, iykyk 🦋

fr fr though — this is the shutdown notification step. everybody registered gets told. no silent exits, no ghosting. 🫶

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🌈 RETURN 🌈

void — she returns nothing. she gives nothing back. she simply is ✨ (no return value to check, no error to handle, just vibes and a completed notification)

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👑 SEE ALSO 👑

Kernel file ./drivers/crypto/intel/qat/qat_common/adf_init.c — go read it, it's giving source of truth 📖

• adf_dev_init(9) — the "wake up babe, we're initializing" one 🌸
• adf_dev_start(9) — the "okay now GO" one 🔥
• adf_dev_shutdown(9) — the deeper shutdown one 💀

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⭐ and that's the whole page!! sign-off time: this lil beauty comes from ./drivers/crypto/intel/qat/qat... and it's dated October 2026, so yeah, she's from the future and she's still stopping devices 💖 mwah, go forth and shut down responsibly 🎀