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35c5e0fa42
When usb_updater is invoked with the '-f' option and without specifying the binary file to transmit, the cr50 still enters the data transfer mode, even though the host is not transferring anything. As a result cr50 stays in the 'rx_outside_block' state until timeout expires. Another usb_updater invocation fails if attempted before timeout expiration. The UPGRADE_DONE PDU sent by the host causes the state machine to switch to the idle state immediately. BRANCH=none BUG=none TEST=ran the following commands: usb_updater -f && usb_updater -f the second invocation used to fail before this change, now it succeeds. Change-Id: Iceafeb30de6011975fbf47dabc7c6c494177c0f7 Signed-off-by: Vadim Bendebury <vbendeb@chromium.org> Reviewed-on: https://chromium-review.googlesource.com/415554 Reviewed-by: Bill Richardson <wfrichar@chromium.org>
For an overview of the Embedded Controller firmware, refer to http://www.chromium.org/chromium-os/2014-firmware-summit For instructions on building from source, refer to http://www.chromium.org/chromium-os/ec-development/getting-started-building-ec-images-quickly