On Mon, Dec 31, 2018 at 8:00 PM Yong Wu <yong...@mediatek.com> wrote: > > In the reboot burning test, if some Multimedia HW has something wrong, > It may keep send the invalid request to IOMMU. In order to avoid > affect the reboot flow, we add the shutdown callback to disable > M4U HW when shutdown.
Sounds unpleasant. Hopefully the reboot flow still continues properly even in that case, since this shutdown code may not run during some rougher resets. Reviewed-by: Evan Green <evgr...@chromium.org>