tpm_cr50_i2c_tis_recv(9)

📦 version 7.3.1, in nixpkgs unstable

💖 tpm_cr50_i2c_tis_recv(9) — like, the TPM reception callback 💖

okay so bestie, welcome to the Kernel API Manual entry for tpm_cr50_i2c_tis_recv — you already know it's a TPM reception callback, and honestly? she's kind of a big deal in the ./drivers/char/tpm/tpm_tis_i2c_cr50.c cinematic universe. 🎀

✨ NAME ✨

tpm_cr50_i2c_tis_recv — TPM reception callback. that's it, that's the vibe. 💅

🦋 SYNOPSIS 🦋

int tpm_cr50_i2c_tis_recv (struct tpm_chip *chip , u8 *buf , size_t
buf_len );

like, she takes a chip, a buffer and a length, and returns an int. no cap. ✨

🌸 ARGUMENTS 🌸

  • chip — a TPM chip. yes, THE chip. the main character. 👑
  • buf — the reception buffer. this is where the tea gets received. 🍓
  • buf_len — buffer length to read. so she knows how much room she's got, fr fr. 📏

💀 RETURN 💀

  • >= 0 — number of read bytes. slay, she read stuff. 🔥
  • -errno — a POSIX error code. not slay, but it's giving honest feedback. 😭

🌈 SEE ALSO 🌈

literally the whole friend group, in the kernel file ./drivers/char/tpm/tpm_tis_i2c_cr50.c:

ngl bestie, go read the whole crew. iykyk. 🫶

okay that's the whole page!! this little gem lives in ./drivers/char/tpm, dated October 2026, and she's tpm_cr50_i2c_tis_recv(9) — periodt. now go recv some bytes, icon. 🧚💜

📦 where this page comes from