tree deb212718cdbd95b1d61a3d1a090cffde4a01d07
parent 63a224d6f4b0e4d13bc372c05c4b9196895d553f
author Vadim Bendebury <vbendeb@chromium.org> 1467079541 -0700
committer chrome-bot <chrome-bot@chromium.org> 1467105520 -0700

tpm: use 4 byte quantities when retrieving firmware version

The CR50 device is capable of reporting its firmware version in 4 byte
quantities, but the recently introduced code retrieves the version one
byte at a time.

With this fix the version is retrieved in 4 byte chunks.

BRANCH=none
BUG=none

TEST=the version is still reported properly, as reported by the AP
     firmware console log:

  localhost ~ # grep cr50 /sys/firmware/log
  Firmware version: cr50_v1.1.4804-c64cf24
  localhost ~ #

Change-Id: I04116881a30001e35e989e51ec1567263f9149a6
Signed-off-by: Vadim Bendebury <vbendeb@chromium.org>
Reviewed-on: https://chromium-review.googlesource.com/356542
Reviewed-by: Andrey Pronin <apronin@chromium.org>