tree 73b50bcfeadee43aaa9bf33e0e3244972ec1a62f
parent 53c4fff61e2163c136c1d9aa6465e3390a99063b
author Nam T. Nguyen <namnguyen@chromium.org> 1425709812 -0800
committer ChromeOS Commit Bot <chromeos-commit-bot@chromium.org> 1426644150 +0000

update_engine: Support full update on MTD devices

This CL fleshes out the MTD and UBI FileDescriptor subclasses and
modifies the utility functions that deal with device name and partition
number to support NAND scheme.

BUG=brillo:45
BUG=brillo:43
TEST=unittest on rambi
TEST=cros flash to storm_nand, reboot, make sure rootdev -s says something
different. Then repeat and make sure that another device is reported.
TEST=If the above was done with verified-rootfs, repeat with
non-verified image.

Change-Id: I31b9a00642f9a7ff67ea51a4cf3dc31b86095e98
Reviewed-on: https://chromium-review.googlesource.com/257192
Reviewed-by: Nam Nguyen <namnguyen@chromium.org>
Commit-Queue: Nam Nguyen <namnguyen@chromium.org>
Tested-by: Nam Nguyen <namnguyen@chromium.org>