linux-kernel - Re: [PATCH 2/3] firmware: qcom: scm: Expose download-mode control

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Date:   Sat, 25 Mar 2017 22:13:28 -0700
From:   Bjorn Andersson <bjorn.andersson@...aro.org>
To:     Rob Herring <robh@...nel.org>
Cc:     Andy Gross <andy.gross@...aro.org>,
        Stephen Boyd <sboyd@...eaurora.org>,
        Mark Rutland <mark.rutland@....com>,
        David Brown <david.brown@...aro.org>,
        Srinivas Kandagatla <srinivas.kandagatla@...aro.org>,
        linux-kernel@...r.kernel.org, linux-arm-msm@...r.kernel.org,
        linux-soc@...r.kernel.org, devicetree@...r.kernel.org
Subject: Re: [PATCH 2/3] firmware: qcom: scm: Expose download-mode control

On Fri 24 Mar 08:06 PDT 2017, Rob Herring wrote:

> On Fri, Mar 17, 2017 at 09:15:22PM -0700, Bjorn Andersson wrote:
[..]
> > diff --git a/Documentation/devicetree/bindings/firmware/qcom,scm.txt b/Documentation/devicetree/bindings/firmware/qcom,scm.txt
> > index 20f26fbce875..8467a181f22c 100644
> > --- a/Documentation/devicetree/bindings/firmware/qcom,scm.txt
> > +++ b/Documentation/devicetree/bindings/firmware/qcom,scm.txt
> > @@ -18,6 +18,7 @@ Required properties:
> >   * Core, iface, and bus clocks required for "qcom,scm"
> >  - clock-names: Must contain "core" for the core clock, "iface" for the interface
> >    clock and "bus" for the bus clock per the requirements of the compatible.
> > +- qcom,dload-mode-addr: Specifies the address for the download mode magic (optional)
> 
> Size? 1 cell, 2 cell(, red cell, blue cell) or follows #addr-cells?
> 

I believe this implementation only applies to the 64-bit systems, but
it's probably better to make it follow (or at least claim that it
follows) #address-cells.

I can update the description to include this.

Regards,
Bjorn