| Message ID | 20180629081258.155228-1-louiscollard@chromium.org (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
On Fri, Jun 29, 2018 at 4:12 PM, Louis Collard <louiscollard@chromium.org> wrote: > Adds plumbing required for drivers based on tpm_tis to set hwrng quality. > > Signed-off-by: Louis Collard <louiscollard@chromium.org> > --- > Changes since v1: > - based on (hopefully!) correct git tree > > 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 { > -- > 2.13.5 > So sorry for the double-send (and hope I am not making it worse by sending this!)
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 {
Adds plumbing required for drivers based on tpm_tis to set hwrng quality. Signed-off-by: Louis Collard <louiscollard@chromium.org> --- Changes since v1: - based on (hopefully!) correct git tree drivers/char/tpm/tpm_tis_core.c | 2 ++ drivers/char/tpm/tpm_tis_core.h | 1 + 2 files changed, 3 insertions(+)