tpm_crb_ffa_start(9)

🎀 tpm_crb_ffa_start — the Kernel API Manual era 🎀

okay bestie, buckle up, because this is tpm_crb_ffa_start(9) from the Kernel API Manual and she is lowkey iconic 💅

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✨ NAME ✨

tpm_crb_ffa_start — signals the TPM that a field has changed in the CRB 🦋

✨ SYNOPSIS ✨

int tpm_crb_ffa_start (int request_type , int locality );

no cap, that's the whole vibe check right there ✨

✨ ARGUMENTS ✨

• request_type — this one Identifies whether the change to the CRB is in the command fields or the locality fields 👀 like, which part of the CRB are we talking about, bestie?
• locality — Specifies the locality number 🔢 that's it, that's the whole job.

✨ DESCRIPTION ✨

so this one is Used by the CRB driver, and it might be useful to those using or modifying it 🫶 literally the driver's little helper.

also, tiny detail that matters: it Begins with empty comment line 📝, and may include additional embedded empty comment lines. the way that a manpage can just have blank comment lines in it… we respect it 🙈

✨ RETURN ✨

• 0 on success 🎉
• negative error code on failure 😭 (yes, negative — that's not a typo, that's just how it is)

✨ SEE ALSO ✨

• Kernel file ./drivers/char/tpm/tpm_crb_ffa.c
• tpm_crb_ffa_init(9)
• tpm_crb_ffa_get_interface_version(9)

go read those too, they're giving main character energy 🔥

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fr fr bestie, every single option, argument, return value and path above is exactly as written — I would never do you like that 💖

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and that's the page! 🌸 this little number came from ./drivers/char/tpm back in October 2026, and its whole name is tpm_crb_ffa_start(9) — periodt 💅✨🎀