diff options
| -rw-r--r-- | libstb/drivers/tpm_i2c_nuvoton.c | 13 |
1 files changed, 11 insertions, 2 deletions
diff --git a/libstb/drivers/tpm_i2c_nuvoton.c b/libstb/drivers/tpm_i2c_nuvoton.c index 28df2c7..e453b7c 100644 --- a/libstb/drivers/tpm_i2c_nuvoton.c +++ b/libstb/drivers/tpm_i2c_nuvoton.c @@ -279,8 +279,17 @@ static int tpm_write_fifo(uint8_t* buf, size_t buflen) count += bytes; DBG("%s FIFO: %zd bytes written, count=%zd, rc=%d\n", (rc) ? "!!!!" : "----", bytes, count, rc); - if (rc < 0) - return rc; + if (rc < 0) { + /** + * @fwts-label TPMWriteFifo + * @fwts-advice Either the tpm device or the tpm-i2c + * interface doesn't seem to be working properly. Check + * the return code (rc) for further details. + */ + prlog(PR_ERR, "NUVOTON: fail to write fifo, " + "count=%zd, rc=%d\n", count, rc); + return STB_DRIVER_ERROR; + } rc = tpm_wait_for_fifo_status(TPM_STS_VALID | TPM_STS_EXPECT, TPM_STS_VALID | TPM_STS_EXPECT); |