Re: [PATCH AUTOSEL 5.15 73/82] arm64: dts: qcom: msm8916: Add CPU ACC and SAW/SPM

[Sasha Levin]

On Wed, Nov 10, 2021 at 09:40:16AM +0100, Stephan Gerhold wrote:
> Hi Sasha,
>
> On Tue, Nov 09, 2021 at 05:16:31PM -0500, Sasha Levin wrote:
> > From: Stephan Gerhold <stephan@xxxxxxxxxxx>
> >
> > [ Upstream commit a22f9a766e1dc61f8f6ee2edfe83d4d23d78e059 ]
> >
> > Add the device tree nodes necessary for SMP bring-up and cpuidle
> > without PSCI on ARM32. The hardware is typically controlled by the
> > PSCI implementation in the TrustZone firmware and is therefore marked
> > as status = "reserved" by default (from the device tree specification):
> >
> >   "Indicates that the device is operational, but should not be used.
> >    Typically this is used for devices that are controlled by another
> >    software component, such as platform firmware."
> >
> > Since this is part of the MSM8916 SoC it should be added to msm8916.dtsi
> > but in practice these nodes should only get enabled via an extra include
> > on ARM32.
> >
> > This is necessary for some devices with signed firmware which is missing
> > both ARM64 and PSCI support and can therefore only boot ARM32 kernels.
> >
> > Signed-off-by: Stephan Gerhold <stephan@xxxxxxxxxxx>
> > Signed-off-by: Bjorn Andersson <bjorn.andersson@xxxxxxxxxx>
> > Link: https://lore.kernel.org/r/20211004204955.21077-13-stephan@xxxxxxxxxxx
> > Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
>
> This patch is not useful without other changes that landed in 5.16
> (in particular, the new device actually making use of these nodes).
>
> Can you drop this patch?

Yup, thanks!

--
Thanks,
Sasha