diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/char/tpm/tpm2-cmd.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/drivers/char/tpm/tpm2-cmd.c b/drivers/char/tpm/tpm2-cmd.c index 04a3e23a4afc..c1eb5d223839 100644 --- a/drivers/char/tpm/tpm2-cmd.c +++ b/drivers/char/tpm/tpm2-cmd.c @@ -754,7 +754,11 @@ int tpm2_auto_startup(struct tpm_chip *chip) rc = tpm2_get_cc_attrs_tbl(chip); out: - if (rc == TPM2_RC_UPGRADE) { + /* + * Infineon TPM in field upgrade mode will return no data for the number + * of supported commands. + */ + if (rc == TPM2_RC_UPGRADE || rc == -ENODATA) { dev_info(&chip->dev, "TPM in field upgrade mode, requires firmware upgrade\n"); chip->flags |= TPM_CHIP_FLAG_FIRMWARE_UPGRADE; rc = 0; |