Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20;
Message-ID: <453bce1e-e2d3-bf26-9954-774e1e267d82@linaro.org>
Date:   Wed, 31 Aug 2022 11:00:13 +0300
MIME-Version: 1.0
User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:91.0) Gecko/20100101
 Thunderbird/91.13.0
Subject: Re: [RESEND PATCH v2 1/5] dt-bindings: firmware: qcom-scm: Add
 "allow-multi-call" property
Content-Language: en-US
To:     Guru Das Srinagesh <quic_gurus@quicinc.com>,
        Andy Gross <agross@kernel.org>,
        Bjorn Andersson <andersson@kernel.org>,
        Philipp Zabel <p.zabel@pengutronix.de>,
        linux-arm-msm@vger.kernel.org, linux-kernel@vger.kernel.org
Cc:     David Heidelberg <david@ixit.cz>,
        Robert Marko <robimarko@gmail.com>,
        Rajendra Nayak <quic_rjendra@quicinc.com>,
        Elliot Berman <quic_eberman@quicinc.com>
References: <1661898311-30126-1-git-send-email-quic_gurus@quicinc.com>
 <1661898311-30126-2-git-send-email-quic_gurus@quicinc.com>
From:   Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
In-Reply-To: <1661898311-30126-2-git-send-email-quic_gurus@quicinc.com>
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 7bit
Precedence: bulk

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@quicinc.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