linux-kernel - Re: [RESEND PATCH v2 1/5] dt-bindings: firmware: qcom-scm: Add "allow-multi-call" property

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Message-ID: <453bce1e-e2d3-bf26-9954-774e1e267d82@linaro.org>
Date:   Wed, 31 Aug 2022 11:00:13 +0300
From:   Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To:     Guru Das Srinagesh <quic_gurus@...cinc.com>,
        Andy Gross <agross@...nel.org>,
        Bjorn Andersson <andersson@...nel.org>,
        Philipp Zabel <p.zabel@...gutronix.de>,
        linux-arm-msm@...r.kernel.org, linux-kernel@...r.kernel.org
Cc:     David Heidelberg <david@...t.cz>,
        Robert Marko <robimarko@...il.com>,
        Rajendra Nayak <quic_rjendra@...cinc.com>,
        Elliot Berman <quic_eberman@...cinc.com>
Subject: Re: [RESEND PATCH v2 1/5] dt-bindings: firmware: qcom-scm: Add
 "allow-multi-call" property

On 31/08/2022 01:25, Guru Das Srinagesh wrote:
> For firmware that supports it, allow multiple SCM calls to be passed
> down to it by removing the serialization lock in the SCM driver.
> 
> This patch is based on this YAML conversion patch [1] that is in-flight
> currently.
> 
> [1] https://lore.kernel.org/lkml/20220708090431.30437-1-david@ixit.cz/
> 
> Signed-off-by: Guru Das Srinagesh <quic_gurus@...cinc.com>

Thank you for your patch. There is something to discuss/improve.

If you make a resend, at least be sure you Cc proper people. Use
scripts/get_maintainers.pl to CC all maintainers and relevant mailing lists.

This was not Cced to device tree maintainers, therefore it has to be NAK-ed.


> ---
>  Documentation/devicetree/bindings/firmware/qcom,scm.yaml | 5 +++++
>  1 file changed, 5 insertions(+)
> 
> diff --git a/Documentation/devicetree/bindings/firmware/qcom,scm.yaml b/Documentation/devicetree/bindings/firmware/qcom,scm.yaml
> index 9fdeee0..e279fd2 100644
> --- a/Documentation/devicetree/bindings/firmware/qcom,scm.yaml
> +++ b/Documentation/devicetree/bindings/firmware/qcom,scm.yaml
> @@ -70,6 +70,11 @@ properties:
>    '#reset-cells':
>      const: 1
>  
> +  allow-multi-call:
> +    description:
> +      Specify this flag to remove SCM call serialization. Need to ensure that
> +      the firmware being used supports this feature first.

Missing vendor prefix, missing type.

Isn't support for this obvious from compatible?\

Best regards,
Krzysztof