tree 80c12696ccdd183855ed1ac9eca648107be27db4
parent bd0921b283c7ef23c0528618239619e394c5176a
author Daisuke Nojiri <dnojiri@chromium.org> 1414606493 -0700
committer chrome-internal-fetch <chrome-internal-fetch@google.com> 1414621447 +0000

tpm: allow 0 as valid i2c bus number

tpm driver uses bus=0 as indication of uninitialized tpm device. this
change allows 0 as a valid i2c bus number.

BUG=None
BRANCH=ToT
TEST=Built cosmos.

Change-Id: Iac55e88db4ef757a292270e7201d8fdd37a90b50
Signed-off-by: Daisuke Nojiri <dnojiri@chromium.org>
Reviewed-on: https://chromium-review.googlesource.com/226294
Reviewed-by: Aaron Durbin <adurbin@chromium.org>