On 2020-05-06 02:35:21 [+0000], Tony Chuang wrote:
> > On 2020-04-17 15:46:41 [+0800], yhchuang@xxxxxxxxxxx wrote:
> > > From: Ping-Ke Shih <pkshih@xxxxxxxxxxx>
> > >
> > > Without this patch, wifi card can't initialize properly due to BT in USB
> > > suspend state. So, we disable BT USB suspend (wakeup) in shutdown callback
> > > that is the moment before rebooting. To save BT USB power, we can't do this
> > > in 'remove' callback.
> >
> > So you can't initialize the USB part because it is in suspend and the
> > only way to avoid it to disable it on the PCI side. That means you don't
> > see it enumerated on the USB bus at all?
>
> Yes, if we don't disable it on PCI side, then the USB part cannot be
> probed on USB bus.
We talk here about USB's runtime-suspend / autosuspend? If so, are you
aware of commit
7ecacafc24063 ("Bluetooth: btusb: Disable runtime suspend on Realtek devices")
or is this an attempt to get rid of this change in favour of this one
(so that the device can enter suspend-mode)?
Sebastian
