| commit | 0c64f9756b86f6e6ae67ceca8969aa77914438e7 | [log] [tgz] |
|---|---|---|
| author | Cindy Liu <hcindyl@google.com> | Thu Aug 06 13:00:29 2020 -0700 |
| committer | Cindy Liu <hcindyl@google.com> | Thu Aug 06 13:08:45 2020 -0700 |
| tree | c9866395ca2b82deeaaee67aa8d86eda5dd0618e | |
| parent | 4398d3cefcae97fc1d2b37eb564c1e9168dac313 [diff] |
Add TPU power cycle support In some cases, TPU loses its USB link after excessive resets. The USB driver tries to power cycle the port to recover the device, but the platform driver needs to actually implement the power cycle. This does not resolve the potential losing link condition during the TPU engine initialization, but the TPU is recovered back to the DFU mode ready for the next trial. Bug: 162766719 Change-Id: If27a56bc8a138f326231a7193fb9b817453ee06e