Re: [PATCH] serial: qcom_geni_serial: Setup serial port after Deep sleep

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On Fri, Jun 02, 2023 at 06:39:02AM +0000, Mehul Raninga (Temp) (QUIC) wrote:
[..]
> > On Wed, May 31, 2023 at 01:06:22PM +0000, Mehul Raninga (Temp)
> > (QUIC) wrote:
[..]
> > > > > +             if (pm_suspend_via_firmware())
> > > >
> > > > I'm not familiar with this api, but aren't all our systems
> > > > implementing firmware- assisted suspend?
> > >
> > > Not all the platform supports deep sleep hence to differentiate if
> > > resume is from deep sleep suspend or normal suspend, this api is
> > > required.
> > 
> > Can you point me to where this difference in flags is coming from in the
> > upstream kernel?
> 
> In upstream kernel by default the flag is false, and for deepsleep
> support vendor kernel sets this flag true.

I am questioning whether this is correct, given that we indeed "suspend
with the help of firmware". But I might be misinterpreting what that
statement means.

Regards,
Bjorn



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