[PATCH] tpm: Allow tpm_tis drivers to set hwrng quality.
From: Louis Collard <hidden>
Date: 2018-06-08 07:11:55
Also in:
lkml
Subsystem:
the rest, tpm device driver · Maintainers:
Linus Torvalds, Peter Huewe, Jarkko Sakkinen
Adds plumbing required for drivers based on tpm_tis to set hwrng quality. Signed-off-by: Louis Collard <redacted> --- drivers/char/tpm/tpm_tis_core.c | 2 ++ drivers/char/tpm/tpm_tis_core.h | 1 + 2 files changed, 3 insertions(+)
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 {
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2.13.5