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Commit 7a64c559 authored by Louis Collard's avatar Louis Collard Committed by Jarkko Sakkinen
Browse files

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: default avatarLouis Collard <louiscollard@chromium.org>
Reviewed-by: default avatarJarkko Sakkinen <jarkko.sakkinen@linux.intel.com>
Signed-off-by: default avatarJarkko Sakkinen <jarkko.sakkinen@linux.intel.com>
parent 36a11029

drivers/char/tpm/tpm_tis_core.c

+2 −0
Original line number Diff line number Diff line
@@ -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);

drivers/char/tpm/tpm_tis_core.h

+1 −0
Original line number Diff line number Diff line
@@ -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 {