diff options
| author | Louis Collard <louiscollard@chromium.org> | 2018-06-29 16:13:55 +0800 |
|---|---|---|
| committer | Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com> | 2018-07-28 17:03:11 +0300 |
| commit | 7a64c5597aa40403e9f8319c0664228a5580c121 (patch) | |
| tree | 304af6b6c11173d9d5fbe338a04a4f4b4ea55691 /drivers/char | |
| parent | 36a11029b07ee30bdc4553274d0efea645ed9d91 (diff) | |
tpm: Allow tpm_tis drivers to set hwrng quality.
Adds plumbing required for drivers based on tpm_tis to set hwrng quality.
Signed-off-by: Louis Collard <louiscollard@chromium.org>
Reviewed-by: Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com>
Signed-off-by: Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com>
Diffstat (limited to 'drivers/char')
| -rw-r--r-- | drivers/char/tpm/tpm_tis_core.c | 2 | ||||
| -rw-r--r-- | drivers/char/tpm/tpm_tis_core.h | 1 |
2 files changed, 3 insertions, 0 deletions
diff --git a/drivers/char/tpm/tpm_tis_core.c b/drivers/char/tpm/tpm_tis_core.c index 8b46aaa9e049..d2345d9fd7b5 100644 --- a/drivers/char/tpm/tpm_tis_core.c +++ b/drivers/char/tpm/tpm_tis_core.c @@ -875,6 +875,8 @@ int tpm_tis_core_init(struct device *dev, struct tpm_tis_data *priv, int irq, chip->acpi_dev_handle = acpi_dev_handle; #endif + chip->hwrng.quality = priv->rng_quality; + /* Maximum timeouts */ chip->timeout_a = msecs_to_jiffies(TIS_TIMEOUT_A_MAX); chip->timeout_b = msecs_to_jiffies(TIS_TIMEOUT_B_MAX); diff --git a/drivers/char/tpm/tpm_tis_core.h b/drivers/char/tpm/tpm_tis_core.h index f6e1dbe212a7..f48125f1e6e0 100644 --- a/drivers/char/tpm/tpm_tis_core.h +++ b/drivers/char/tpm/tpm_tis_core.h @@ -99,6 +99,7 @@ struct tpm_tis_data { wait_queue_head_t int_queue; wait_queue_head_t read_queue; const struct tpm_tis_phy_ops *phy_ops; + unsigned short rng_quality; }; struct tpm_tis_phy_ops { |