erebion/coreboot
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

vboot: Stop creating backup space in TPM

Browse source 
There is no code which uses the backup space in TPM created for vboot
nvram.

All chromebooks currently supported at the trunk store vboot nvram
in flash directly or as a backup.

BUG=chrome-os-partner:47915
BRANCH=none
TEST=emerge-samus coreboot

Change-Id: Ied0cec0ed489df3b39f6b9afd3941f804557944f
Signed-off-by: Daisuke Nojiri <dnojiri@chromium.org>
Reviewed-on: https://chromium-review.googlesource.com/395507
Reviewed-by: Randall Spangler <rspangler@chromium.org>
This commit is contained in:
Daisuke Nojiri 2016-10-07 13:59:36 -07:00 • committed by chrome-bot
commit 5cee2d54c9
2 changed files with 2 additions and 7 deletions
Download patch file Download diff file Expand all files Collapse all files

5
src/vboot/secdata_tpm.c
View file

@ -245,11 +245,6 @@ static uint32_t _factory_initialize_tpm(struct vb2_context *ctx)
VBDEBUG("TPM: Clearing owner\n");
RETURN_ON_FAILURE(tpm_clear_and_reenable());
/* Define the backup space. No need to initialize it, though. */
RETURN_ON_FAILURE(safe_define_space(BACKUP_NV_INDEX,
TPM_NV_PER_PPWRITE,
VB2_NVDATA_SIZE));
/* Define and initialize the kernel space */
RETURN_ON_FAILURE(safe_define_space(KERNEL_NV_INDEX,
TPM_NV_PER_PPWRITE,