Wei-Ning Huang 25d281a42b ectool: do not try other communication methods for none cros_ec devices ...

There are none cros_ec devices running EC codebase connected to
chromebook, which can be accessed by ectool with
`cros_ec --name=SOME_DEV ...`.

In the case when SOME_DEV is not found, do not fallback to other
communication methods such as LPC or I2C, since ectool will instead get
the reply of real cros_ec device.

BRANCH=none
BUG=b:64468324
TEST=on poppy, `ectool --name=cros_tp version` should show:
     `Unable to establish host communication
      Couldn't find EC`

Change-Id: I2ac232122e0f928703f7607da365d5c1dc6f7194
Signed-off-by: Wei-Ning Huang <wnhuang@google.com>
Reviewed-on: https://chromium-review.googlesource.com/604977
Commit-Ready: Wei-Ning Huang <wnhuang@chromium.org>
Tested-by: Wei-Ning Huang <wnhuang@chromium.org>
Reviewed-by: Nicolas Boichat <drinkcat@chromium.org>

2017-08-08 10:09:18 -07:00

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