linux-kernel - Re: [PATCH v5 2/7] dt-bindings: remoteproc: Add compatibility for TEE support

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Message-ID: <498403f4-98ff-40ec-adfc-c0ffba6450aa@foss.st.com>
Date: Tue, 21 May 2024 14:16:56 +0200
From: Arnaud POULIQUEN <arnaud.pouliquen@...s.st.com>
To: Krzysztof Kozlowski <krzk@...nel.org>,
        Bjorn Andersson
	<andersson@...nel.org>,
        Mathieu Poirier <mathieu.poirier@...aro.org>
CC: <linux-remoteproc@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        <linux-stm32@...md-mailman.stormreply.com>
Subject: Re: [PATCH v5 2/7] dt-bindings: remoteproc: Add compatibility for TEE
 support


On 5/21/24 11:24, Krzysztof Kozlowski wrote:
> On 21/05/2024 10:09, Arnaud Pouliquen wrote:
>> The "st,stm32mp1-m4-tee" compatible is utilized in a system configuration
>> where the Cortex-M4 firmware is loaded by the Trusted execution Environment
>> (TEE).
>> For instance, this compatible is used in both the Linux and OP-TEE
>> device-tree:
>> - In OP-TEE, a node is defined in the device tree with the
>>   st,stm32mp1-m4-tee to support signed remoteproc firmware.
>>   Based on DT properties, OP-TEE authenticates, loads, starts, and stops
>>   the firmware.
>> - On Linux, when the compatibility is set, the Cortex-M resets should not
>>   be declared in the device tree.
>>
> 
> Not tested.
> 
> Please use scripts/get_maintainers.pl to get a list of necessary people
> and lists to CC. It might happen, that command when run on an older
> kernel, gives you outdated entries. Therefore please be sure you base
> your patches on recent Linux kernel.
> 
> Tools like b4 or scripts/get_maintainer.pl provide you proper list of
> people, so fix your workflow. Tools might also fail if you work on some
> ancient tree (don't, instead use mainline), work on fork of kernel
> (don't, instead use mainline) or you ignore some maintainers (really
> don't). Just use b4 and everything should be fine, although remember
> about `b4 prep --auto-to-cc` if you added new patches to the patchset.
> 
> You missed at least devicetree list (maybe more), so this won't be
> tested by automated tooling. Performing review on untested code might be
> a waste of time, thus I will skip this patch entirely till you follow
> the process allowing the patch to be tested.
> 
> Please kindly resend and include all necessary To/Cc entries.

I apologize for this oversight; I will resend the pull request and adding
the missing CC and To.

Thanks!
Arnaud

> 
> Best regards,
> Krzysztof
>