diff options
Diffstat (limited to 'drivers/char/tpm/tpm_tis.c')
| -rw-r--r-- | drivers/char/tpm/tpm_tis.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/char/tpm/tpm_tis.c b/drivers/char/tpm/tpm_tis.c index 3f4051a7c5a7..c7e5282fb885 100644 --- a/drivers/char/tpm/tpm_tis.c +++ b/drivers/char/tpm/tpm_tis.c @@ -432,6 +432,9 @@ static int probe_itpm(struct tpm_chip *chip) out: itpm = rem_itpm; tpm_tis_ready(chip); + /* some TPMs need a break here otherwise they will not work + * correctly on the immediately subsequent command */ + msleep(chip->vendor.timeout_b); release_locality(chip, chip->vendor.locality, 0); return rc; |