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SubjectRe: [PATCH 09/13] ARM: dts: qcom: add smem node for ipq8064
On Wed, 6 Jul 2022 at 13:31, Christian Marangi <ansuelsmth@gmail.com> wrote:
>
> On Wed, Jul 06, 2022 at 10:39:16AM +0200, Krzysztof Kozlowski wrote:
> > On 05/07/2022 15:39, Christian Marangi wrote:
> > > Add missing smem node for ipq8064.
> > >
> > > Signed-off-by: Christian Marangi <ansuelsmth@gmail.com>
> > > Tested-by: Jonathan McDowell <noodles@earth.li>
> > > ---
> > > arch/arm/boot/dts/qcom-ipq8064.dtsi | 18 ++++++++++++++++++
> > > 1 file changed, 18 insertions(+)
> > >
> > > diff --git a/arch/arm/boot/dts/qcom-ipq8064.dtsi b/arch/arm/boot/dts/qcom-ipq8064.dtsi
> > > index b5aede3d7ccf..98527a7d885e 100644
> > > --- a/arch/arm/boot/dts/qcom-ipq8064.dtsi
> > > +++ b/arch/arm/boot/dts/qcom-ipq8064.dtsi
> > > @@ -908,6 +908,11 @@ lcc: clock-controller@28000000 {
> > > #reset-cells = <1>;
> > > };
> > >
> > > + sfpb_mutex_block: syscon@1200600 {
> > > + compatible = "syscon";
> >
> > syscon alone is not allowed.
> >
>
> Mh... This is problematic. How this should be handled?
> This should be put in sfpb_mutex and change the driver to use regs if
> present instead of syscon?

If nothing else works, you can add two compat strings, for example:
"qcom,ipq8064-sfpb-mutex", "syscon";
This way if we add an sfpb driver at some point, we can still use old dts files.

--
With best wishes
Dmitry

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