linux-kernel - Re: [PATCH 1/2] dt-bindings: misc: qcom,fastrpc: document new domain ID

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Message-ID: <CAMRc=MdmgcRUfYGo25spPOKqjpebiaZUP34B7PuuoAxMAupAYA@mail.gmail.com>
Date: Fri, 16 Aug 2024 14:29:56 +0200
From: Bartosz Golaszewski <brgl@...ev.pl>
To: Krzysztof Kozlowski <krzk@...nel.org>
Cc: Srinivas Kandagatla <srinivas.kandagatla@...aro.org>, 
	Amol Maheshwari <amahesh@....qualcomm.com>, Rob Herring <robh@...nel.org>, 
	Krzysztof Kozlowski <krzk+dt@...nel.org>, Conor Dooley <conor+dt@...nel.org>, 
	Bjorn Andersson <andersson@...nel.org>, Konrad Dybcio <konradybcio@...nel.org>, 
	Tengfei Fan <quic_tengfan@...cinc.com>, Ling Xu <quic_lxu5@...cinc.com>, 
	linux-arm-msm@...r.kernel.org, dri-devel@...ts.freedesktop.org, 
	devicetree@...r.kernel.org, linux-kernel@...r.kernel.org, 
	Bartosz Golaszewski <bartosz.golaszewski@...aro.org>
Subject: Re: [PATCH 1/2] dt-bindings: misc: qcom,fastrpc: document new domain ID

On Fri, Aug 16, 2024 at 1:21 PM Krzysztof Kozlowski <krzk@...nel.org> wrote:
>
> On 16/08/2024 12:23, Bartosz Golaszewski wrote:
> > From: Bartosz Golaszewski <bartosz.golaszewski@...aro.org>
> >
> > Add "cdsp1" as the new supported label for the CDSP1 fastrpc domain.
> >
> > Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@...aro.org>
> > ---
> >  Documentation/devicetree/bindings/misc/qcom,fastrpc.yaml | 1 +
> >  1 file changed, 1 insertion(+)
> >
> > diff --git a/Documentation/devicetree/bindings/misc/qcom,fastrpc.yaml b/Documentation/devicetree/bindings/misc/qcom,fastrpc.yaml
> > index c27a8f33d8d7..2a5b18982804 100644
> > --- a/Documentation/devicetree/bindings/misc/qcom,fastrpc.yaml
> > +++ b/Documentation/devicetree/bindings/misc/qcom,fastrpc.yaml
> > @@ -26,6 +26,7 @@ properties:
> >        - mdsp
> >        - sdsp
> >        - cdsp
> > +      - cdsp1
>
> Are there more than one cdsp domains? Why adding suffixes? Driver source
> code does not have "cdsp1" domain, so this is confusing.
>
> Best regards,
> Krzysztof
>

It does, Srini picked up this patch earlier today. I'm not an expert
in fast RPC but it looks like the domain ID number matters here.

Bart

[1] https://lore.kernel.org/all/20240805-topic-sa8775p-iot-remoteproc-v4-4-86affdc72c04@linaro.org/