linux-kernel - Re: [PATCH] dt-bindings: rcc: stm32: select the "secure" path for stm32mp13

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <20220617203808.GA2400871-robh@kernel.org>
Date:   Fri, 17 Jun 2022 14:38:08 -0600
From:   Rob Herring <robh@...nel.org>
To:     Alexandre TORGUE <alexandre.torgue@...s.st.com>
Cc:     Krzysztof Kozlowski <krzk+dt@...nel.org>,
        linux-arm-kernel@...ts.infradead.org, devicetree@...r.kernel.org,
        linux-stm32@...md-mailman.stormreply.com,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH] dt-bindings: rcc: stm32: select the "secure" path for
 stm32mp13

On Fri, Jun 17, 2022 at 09:21:40AM +0200, Alexandre TORGUE wrote:
> Hi Rob
> 
> On 6/16/22 19:55, Rob Herring wrote:
> > On Mon, Jun 13, 2022 at 11:38:15AM +0200, Alexandre Torgue wrote:
> > > Like for stm32mp15, when stm32 RCC node is used to interact with a secure
> > 
> > 'st,stm32mp1' is stm32mp15?
> 
> Yes "st,stm32mp1-rcc" is for the STM32MP15.
> 
> > 
> > > context (using clock SCMI protocol), a different path has to be used for
> > > yaml verification.
> > > 
> > > Signed-off-by: Alexandre Torgue <alexandre.torgue@...s.st.com>
> > > 
> > > ---
> > > 
> > > Hi Rob, Krzysztof,
> > > 
> > > If you agree with this patch, I'll apply it directly in my STM32 tree.
> > > 
> > > Thanks
> > > Alex
> > > 
> > > diff --git a/Documentation/devicetree/bindings/clock/st,stm32mp1-rcc.yaml b/Documentation/devicetree/bindings/clock/st,stm32mp1-rcc.yaml
> > > index f8c474227807..242fe922b035 100644
> > > --- a/Documentation/devicetree/bindings/clock/st,stm32mp1-rcc.yaml
> > > +++ b/Documentation/devicetree/bindings/clock/st,stm32mp1-rcc.yaml
> > > @@ -78,6 +78,7 @@ if:
> > >         contains:
> > >           enum:
> > >             - st,stm32mp1-rcc-secure
> > > +          - st,stm32mp13-rcc
> > 
> > You don't need '-secure' because it's always secure?
> 
> Yes. Compare to STM32MP15, the STM32MP13 is by default "secure". In our case
> it is "mapped" to OPTEE, using SCMI protocols.

Okay,

Acked-by: Rob Herring <robh@...nel.org>