Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit 85ab3bf3 authored May 24, 2017 by Stefan Berger Committed by Jarkko Sakkinen Jun 13, 2017

tpm: Introduce flag TPM_TRANSMIT_RAW

Introduce the flag TPM_TRANSMIT_RAW that allows us to transmit
a command without recursing into the requesting of locality.

Signed-off-by: Stefan Berger <stefanb@linux.vnet.ibm.com>
Reviewed-by: Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com>
Signed-off-by: Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com>

parent 402149c6

drivers/char/tpm/tpm-interface.c

+2 −1

Original line number	Diff line number	Diff line
		@@ -416,7 +416,8 @@ ssize_t tpm_transmit(struct tpm_chip chip, struct tpm_space space,
		/* Store the decision as chip->locality will be changed. */
		need_locality = chip->locality == -1;

		if (need_locality && chip->ops->request_locality) {
		if (!(flags & TPM_TRANSMIT_RAW) &&
		need_locality && chip->ops->request_locality) {
		rc = chip->ops->request_locality(chip, 0);
		if (rc < 0)
		goto out_no_locality;

drivers/char/tpm/tpm.h

+1 −0

Original line number	Diff line number	Diff line
		@@ -506,6 +506,7 @@ extern struct idr dev_nums_idr;

		enum tpm_transmit_flags {
		TPM_TRANSMIT_UNLOCKED = BIT(0),
		TPM_TRANSMIT_RAW = BIT(1),
		};

		ssize_t tpm_transmit(struct tpm_chip chip, struct tpm_space space,