linux-kernel - Re: [PATCH v3 1/4] dt-bindings: firmware: qcom,scm: support indicating SDI default state

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Message-ID: <a7862558-c6ea-4e4a-8d14-9aaf5c671ab7@linaro.org>
Date:   Sat, 19 Aug 2023 16:04:46 +0200
From:   Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To:     Robert Marko <robimarko@...il.com>, agross@...nel.org,
        andersson@...nel.org, konrad.dybcio@...aro.org, robh+dt@...nel.org,
        krzysztof.kozlowski+dt@...aro.org, conor+dt@...nel.org,
        quic_gurus@...cinc.com, linux-arm-msm@...r.kernel.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        quic_mojha@...cinc.com
Cc:     computersforpeace@...il.com
Subject: Re: [PATCH v3 1/4] dt-bindings: firmware: qcom,scm: support
 indicating SDI default state

On 16/08/2023 18:45, Robert Marko wrote:
> IPQ5018 has SDI (Secure Debug Image) enabled by TZ by default, and that
> means that WDT being asserted or just trying to reboot will hang the board
> in the debug mode and only pulling the power and repowering will help.
> Some IPQ4019 boards like Google WiFI have it enabled as well.
> 
> So, lets add a boolean property to indicate that SDI is enabled by default
> and thus needs to be disabled by the kernel.
> 
> Signed-off-by: Robert Marko <robimarko@...il.com>

Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>

Best regards,
Krzysztof