diff options
Diffstat (limited to 'libstb/drivers/tpm_i2c_nuvoton.c')
| -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 62236e4..aba7211 100644 --- a/libstb/drivers/tpm_i2c_nuvoton.c +++ b/libstb/drivers/tpm_i2c_nuvoton.c @@ -436,10 +436,19 @@ static int tpm_transmit(struct tpm_dev *dev, uint8_t* buf, size_t cmdlen, if (rc < 0) goto out; - DBG("step 3/5: write tpmgo\n"); + DBG("step 3/5: write sts.go\n"); rc = tpm_status_write_byte(TPM_STS_GO); - if (rc < 0) + if (rc < 0) { + /** + * @fwts-label TPMWriteGo + * @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 sts.go, rc=%d\n", rc); + rc = STB_DRIVER_ERROR; goto out; + } DBG("step 4/5: read FIFO\n"); rc = tpm_read_fifo(buf, buflen); |