tpm1_pm_suspend(9)

✨ tpm1_pm_suspend (9) ✨

okay so bestie, we're in the Kernel API Manual today and this one is genuinely so niche but so real — it's the power-management suspend handler for TPM 1.x chips 🫶

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🌸 NAME 🌸

tpm1_pm_suspend — the pm suspend handler, no cap 💅

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🦋 SYNOPSIS 🦋

int tpm1_pm_suspend (struct tpm_chip *chip , u32 tpm_suspend_pcr );

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🎀 ARGUMENTS 🎀

• chip — the TPM chip you're using, your main character fr 🔥
• tpm_suspend_pcr — flush pcr, specifically for those buggy TPM chips 😭 (iykyk)

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💖 DESCRIPTION 💖

so what does it actually do? it saves the TPM state, bestie — the whole point is that it gets restored on resume ✨. literally the "remember where we left off" of the whole power-management situation.

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🌈 RETURN 🌈

• 0 — success, slay 👑
• < 0 — uh oh, error 💀

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⭐ SEE ALSO ⭐

• Kernel file ./drivers/char/tpm/tpm1-cmd.c — go read the source, it's giving lore 🧚
• tpm1_calc_ordinal_duration(9)
• tpm1_startup(9)
• tpm1_get_random(9)
• tpm1_continue_selftest(9)
• tpm1_do_selftest(9)
• tpm1_auto_startup(9)
• tpm1_get_pcr_allocation(9)

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ngl the whole friend group of TPM 1.x functions is listed up there — go say hi, they're all iconic in their own way 💜

okay that's the whole page!! sourced from ./drivers/char/tpm, dated October 2026 — periodt, go touch some kernel code bestie 🍓💅