Merge branch 'whitechapel' into android-gs-pixel-5.10

* whitechapel:
  edgetpu: pin pages without FOLL_WRITE if the first try failed with EFAULT.
  clang-format: add .clang-format
  edgetpu: validate the circular_queue_count result
  edgetpu: validate the value of tail before using it
  edgetpu: add ioctl for external mailbox handshake
  edgetpu: add firmware state change lockout API
  edgetpu: fix group leave for dies that failed to load firmware
  edgetpu: fix overflow on number of pages
  edgetpu: KCI print return status code on error response
  edgetpu: check edgetpu_sync_fence_signal errno

Change-Id: If418b09faaf3439b4b4a61b0adf648536f20e52e