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With CONFIG_HOST_COMMAND_STATUS, the EC can respond to a command with EC_RES_IN_PROGRESS, indicating to the AP that it should poll for completion of the command with EC_CMD_GET_COMMS_STATUS. The kernel, however, only guarantees the atomicity of single commands. As a result, i2c passtrough or keyboard commands could be issued while the AP is polling for completion of a flashrom command. By disabling CONFIG_HOST_COMMAND_STATUS, we eliminate polling of the EC status by the AP so that there is no interleaving of commands. BUG=chrome-os-partner:20978 TEST=flashrom on Pit BRANCH=pit Original-Change-Id: I48b29a0dbbcc56fc55f72ca64b8aff51036740e3 Signed-off-by: Andrew Bresticker <abrestic@chromium.org> Reviewed-on: https://gerrit.chromium.org/gerrit/66703 Reviewed-by: Randall Spangler <rspangler@chromium.org> (cherry picked from commit 2db4fcfb267b938fcc35af2a0d2e374f99551743) Change-Id: Iac7c15ec337d618cd6d95439d4b922bf3ec43916 Reviewed-on: https://gerrit.chromium.org/gerrit/66828 Reviewed-by: Randall Spangler <rspangler@chromium.org> Tested-by: Andrew Bresticker <abrestic@chromium.org> Commit-Queue: Andrew Bresticker <abrestic@chromium.org>