Kai-Heng Feng <kai.heng.feng@xxxxxxxxxxxxx> wrote: > There are reports that 8822CE fails to work rtw88 with "failed to read DBI > register" error. Also I have a system with 8723DE which freezes the whole > system when the rtw88 is probing the device. > > According to [1], platform firmware may not properly power manage the > device during shutdown. I did some expirements and putting the device to > D3 can workaround the issue. > > So let's power cycle the device by putting the device to D3 at shutdown > to prevent the issue from happening. > > [1] https://bugzilla.kernel.org/show_bug.cgi?id=206411#c9 > > BugLink: https://bugs.launchpad.net/bugs/1872984 > Signed-off-by: Kai-Heng Feng <kai.heng.feng@xxxxxxxxxxxxx> Patch applied to wireless-drivers-next.git, thanks. 44492e70adc8 rtw88: pci: Power cycle device during shutdown -- https://patchwork.kernel.org/patch/11804271/ https://wireless.wiki.kernel.org/en/developers/documentation/submittingpatches
