Re: [PATCH v2] dt-bindings: ufs: Add msi-parent for UFS MCQ

[Ziqi Chen]

On 11/23/2023 1:53 AM, Bart Van Assche wrote:
> On 11/21/23 21:06, Ziqi Chen wrote:
> > diff --git a/Documentation/devicetree/bindings/ufs/ufs-common.yaml 
> > b/Documentation/devicetree/bindings/ufs/ufs-common.yaml
> > index 985ea8f..31fe7f3 100644
> > --- a/Documentation/devicetree/bindings/ufs/ufs-common.yaml
> > +++ b/Documentation/devicetree/bindings/ufs/ufs-common.yaml
> > @@ -87,6 +87,8 @@ properties:
> >       description:
> >         Specifies max. load that can be drawn from VCCQ2 supply.
> > +  msi-parent: true
> > +
> >   dependencies:
> >     freq-table-hz: [ clocks ]
> >     operating-points-v2: [ clocks, clock-names ]
>
> Does this patch break support for UFSHCI 4.0 controllers that do not 
> support MSI?

No, the controllers that do not support MSI would NOT be impacted by 
this patch.

-Ziqi

> Thanks,
>
> Bart.