linux-kernel - Re: [PATCH v2 2/6] dt-bindings: perf: Add Marvell PEM performance monitor unit

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Date:   Mon, 14 Aug 2023 10:13:33 +0200
From:   Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To:     Gowthami Thiagarajan <gthiagarajan@...vell.com>, will@...nel.org,
        mark.rutland@....com, linux-arm-kernel@...ts.infradead.org,
        linux-kernel@...r.kernel.org, robh+dt@...nel.org,
        krzysztof.kozlowski+dt@...aro.org, conor+dt@...nel.org,
        devicetree@...r.kernel.org
Cc:     sgoutham@...vell.com, bbhushan2@...vell.com, lcherian@...vell.com
Subject: Re: [PATCH v2 2/6] dt-bindings: perf: Add Marvell PEM performance
 monitor unit

On 12/08/2023 16:25, Gowthami Thiagarajan wrote:
> Add binding documentation for Marvell PEM performance monitor unit.
> 
> Signed-off-by: Linu Cherian <lcherian@...vell.com>
> Signed-off-by: Gowthami Thiagarajan <gthiagarajan@...vell.com>
> ---
> 
> v1->v2
> - Changed DT binding file name to match with compatible
> - Added respective document in MAINTAINERS
> 
>  .../perf/marvell,odyssey-pem-pmu.yaml         | 38 +++++++++++++++++++
>  MAINTAINERS                                   |  1 +
>  2 files changed, 39 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/perf/marvell,odyssey-pem-pmu.yaml
> 
> diff --git a/Documentation/devicetree/bindings/perf/marvell,odyssey-pem-pmu.yaml b/Documentation/devicetree/bindings/perf/marvell,odyssey-pem-pmu.yaml
> new file mode 100644
> index 000000000000..a761fc09565b
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/perf/marvell,odyssey-pem-pmu.yaml
> @@ -0,0 +1,38 @@
> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/perf/marvell,odyssey-pem-pmu.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: Marvell PCIe interface performance monitor
> +
> +maintainers:
> +  - Linu Cherian <lcherian@...vell.com>
> +  - Gowthami Thiagarajan <gthiagarajan@...vell.com>
> +
> +properties:
> +  compatible:
> +    items:

Drop items, you have just enum.


> +      - enum:
> +          - marvell,odyssey-pem-pmu

Neither commit msg nor description in the binding (there is none!) helps
me to understand what is the SoC here. Remember: compatibles are
specific to SoCs, not families.


Best regards,
Krzysztof