linux-hardening - Re: [PATCH v2 05/11] dt-bindings: mailbox: qcom: Allow syscon on qcom,msm8976-apcs-kpss-global

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Date:   Wed, 16 Nov 2022 09:52:54 +0100
From:   AngeloGioacchino Del Regno 
        <angelogioacchino.delregno@...labora.com>
To:     Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>,
        agross@...nel.org
Cc:     andersson@...nel.org, konrad.dybcio@...aro.org, robh+dt@...nel.org,
        krzysztof.kozlowski+dt@...aro.org, jassisinghbrar@...il.com,
        srinivas.kandagatla@...aro.org, jic23@...nel.org, lars@...afoo.de,
        keescook@...omium.org, tony.luck@...el.com, gpiccoli@...lia.com,
        evgreen@...omium.org, gregkh@...uxfoundation.org,
        a39.skl@...il.com, linux-arm-msm@...r.kernel.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-iio@...r.kernel.org, linux-hardening@...r.kernel.org,
        marijn.suijten@...ainline.org, kernel@...labora.com, luca@...tu.xyz
Subject: Re: [PATCH v2 05/11] dt-bindings: mailbox: qcom: Allow syscon on
 qcom,msm8976-apcs-kpss-global

Il 15/11/22 17:44, Krzysztof Kozlowski ha scritto:
> On 11/11/2022 13:01, AngeloGioacchino Del Regno wrote:
>> MSM8976 supports SMSM, which needs this node to also be a syscon:
>> move the compatible to allow that.
>>
>> Fixes: bcc8d70f912d ("dt-bindings: mailbox: Add compatible for the MSM8976")
> 
> I am not sure if this is still a bug. Maybe just a missing feature?
> 

This changes how you use this mailbox across the entire devicetree (as other
nodes will not use mboxes = xxxx, but qcom,ipc = xxxx as syscon), so I think
that this is not a missing feature?

Cheers,
Angelo

> Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
> 
>> Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@...labora.com>
>> ---
> Best regards,
> Krzysztof
>