Re: [PATCH v2 1/2] PM / Domains: Add GENPD_FLAG_NO_SUSPEND/RESUME flags

[Sibi Sankar]

On 2020-09-22 01:26, Stephen Boyd wrote:
> Quoting Rafael J. Wysocki (2020-09-21 09:18:17)
> > On Fri, Aug 21, 2020 at 10:49 PM Sibi Sankar <sibis@xxxxxxxxxxxxxx> 
> > wrote:
> > >
> > > Add GENPD_FLAG_NO_SUSPEND/RESUME flags to instruct genpd to keep the
> > > status of the PM domain unaltered during suspend/resume respectively.
> > > The flags are aimed at power domains coupled to co-processors which
> > > enter low-power modes independent to that of the application processor.
> > >
> > > Specifically the flags are to be used by the power domains exposed
> > > by the AOSS QMP driver linked to modem, adsp, cdsp remoteprocs. These
> > > power domains are used to notify the Always on Subsystem (AOSS) that
> > > a particular co-processor is up. AOSS uses this information to wait
> > > for the co-processors to suspend before starting its sleep sequence.
> > > The application processor powers off these power domains only if the
> > > co-processor has crashed or powered off and remains unaltered during
> > > system suspend/resume.
> > >
> > > Signed-off-by: Sibi Sankar <sibis@xxxxxxxxxxxxxx>
> >
> > Applied with the Ulf's R-by along with the [2/2] as 5.10 material, 
> > thanks!
>
> There was a bunch of discussion on this patch series and I thought the
> consensus was to not apply these patches and instead implement a custom
> qcom specific API that does this instead.

https://lore.kernel.org/lkml/20200913034603.GV3715@yoga/

The power domains which were targeted
to use the flags will be replaced by
custom qcom specific API. So let's not
pick up the patch series.


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