Re: [PATCH] dt-bindings: sram: qcom,imem: drop the IPQ5424 compatible

[Kathiravan Thirumoorthy]

On 11/4/2025 6:18 PM, Konrad Dybcio wrote:
> On 10/27/25 5:59 AM, Kathiravan Thirumoorthy wrote:
> > On 10/21/2025 12:32 PM, Krzysztof Kozlowski wrote:
> > > On Wed, Oct 15, 2025 at 11:46:58AM +0530, Kathiravan Thirumoorthy wrote:
> > > > Based on the recent discussion in the linux-arm-msm list[1], it is not
> > > > appropriate to define the IMEM (On-Chip SRAM) as syscon or MFD. Since
> > > > there are no consumers of this compatible, drop it and move to
> > > > mmio-sram.
> > > >
> > > > While at it, add a comment to not to extend the list and move towards
> > > > mmio-sram.
> > > >
> > > > [1] https://lore.kernel.org/linux-arm-msm/e4c5ecc3-fd97-4b13-a057-bb1a3b7f9207@xxxxxxxxxx/
> > > >
> > > > Signed-off-by: Kathiravan Thirumoorthy <kathiravan.thirumoorthy@xxxxxxxxxxxxxxxx>
> > > > ---
> > > >    Documentation/devicetree/bindings/sram/qcom,imem.yaml | 3 +--
> > > >    1 file changed, 1 insertion(+), 2 deletions(-)
> > > >
> > > > diff --git a/Documentation/devicetree/bindings/sram/qcom,imem.yaml b/Documentation/devicetree/bindings/sram/qcom,imem.yaml
> > > > index 6a627c57ae2fecdbb81cae710f6fb5e48156b1f5..3147f3634a531514a670e714f3878e5375db7285 100644
> > > > --- a/Documentation/devicetree/bindings/sram/qcom,imem.yaml
> > > > +++ b/Documentation/devicetree/bindings/sram/qcom,imem.yaml
> > > > @@ -14,11 +14,10 @@ description:
> > > >      transactions.
> > > >      properties:
> > > > -  compatible:
> > > > +  compatible: # Don't grow this list. Please use mmio-sram if possible
> > > >        items:
> > > >          - enum:
> > > >              - qcom,apq8064-imem
> > > > -          - qcom,ipq5424-imem
> > > And where is qcom,ipq5424-imem added? This is supposed to be one patch.
> >
> > Kindly excuse for the delay in the response as I was out of work.
> >
> > This is supposed to be added in the sram.yaml binding, but I haven't completed that yet. Between Konrad has done some rework [1] on removing the imem.yaml and combined with sram.yaml (in his dev tree). So I hope it will be taken care along with that.
> >
> > Konrad, Can you help to share the plan on when the patches will be posted for review? It will be helpful for reviving my other series[2] and obviously yours too :)
> >
> > [1] https://github.com/quic-kdybcio/linux/commits/topic/imem_sram/
> >
> > [2] https://lore.kernel.org/linux-arm-msm/20250610-wdt_reset_reason-v5-0-2d2835160ab5@xxxxxxxxxxxxxxxx/#t
> Let's get an answer on the Kaanapali thread and go from there
>
> https://lore.kernel.org/linux-arm-msm/176222838026.1146775.13955186005277266199.b4-ty@xxxxxxxxxx/T/#mb3284a3a0bc3a9cda9cc6c0fb9433e8c2dddea2f


Yeah, I'm also waiting for the conclusion on the thread.


> Konrad