From 7a64c5597aa40403e9f8319c0664228a5580c121 Mon Sep 17 00:00:00 2001 From: Louis Collard Date: Fri, 29 Jun 2018 16:13:55 +0800 Subject: [PATCH] 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 Reviewed-by: Jarkko Sakkinen Signed-off-by: Jarkko Sakkinen --- 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 { -- 2.45.2