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SubjectRe: checkpatch - "DT binding docs and includes should be a separate patch"
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On Sun, 2020-02-09 at 09:19 +0100, Sam Ravnborg wrote:
> Hi Joe.
>
> The following warnings triggers on the patch below:
>
> c55d0a554843 (HEAD -> drm-misc-next) dt-bindings: panel: Convert orisetech,otm8009a to json-schema
> -:15: WARNING:FILE_PATH_CHANGES: added, moved or deleted file(s), does MAINTAINERS need updating?
> #15:
> deleted file mode 100644
>
> -:18: WARNING:DT_SPLIT_BINDING_PATCH: DT binding docs and includes should be a separate patch. See: Documentation/devicetree/bindings/submitting-patches.txt
>
> -:43: WARNING:DT_SPLIT_BINDING_PATCH: DT binding docs and includes should be a separate patch. See: Documentation/devicetree/bindings/submitting-patches.txt
>
> total: 0 errors, 3 warnings, 0 checks, 53 lines checked
>
> 1)
> yaml files include maintainer information in the file.
> I dunno if this replaces/overrules MAINTAINERS - so first warning may be
> OK. Also because we delete a file it seems semi relevant.
>
> 2)
> As the patch only touches files in Documentation/devicetree/bindings the
> warning about a separate patch seems wrong.

Rob Herring wrote that bit. He's now cc'd. lkml too.

>
> But the general feedback - in this very special case - is that
> checkpatch seems a bit too noisy.
>
> If we as a bonus could get a warning when new yaml files do not
> use:
> # SPDX-License-Identifier: (GPL-2.0-only or BSD-2-Clause)
> That would be great.

Submitted here:

https://lkml.org/lkml/2020/1/29/292

> It is recommended but not mandatory to use the combi license for new yaml
> files.
>
> I did not try to dive into this myself - in the hope someone more versed
> in checkpatch internals (aka you) could improve it.
>
> Sam
>
> From c55d0a554843f2c4dfb44d0c8a99a1670c32c33d Mon Sep 17 00:00:00 2001
> From: Benjamin Gaignard <benjamin.gaignard@st.com>
> Date: Thu, 6 Feb 2020 14:33:44 +0100
> Subject: [PATCH 3/3] dt-bindings: panel: Convert orisetech,otm8009a to
> json-schema
>
> Convert orisetech,otm8009a to json-schema.
>
> Signed-off-by: Benjamin Gaignard <benjamin.gaignard@st.com>
> Reviewed-by: Rob Herring <robh@kernel.org>
> Reviewed-by: Philippe Cornu <philippe.cornu@st.com>
> Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
> Link: https://patchwork.freedesktop.org/patch/msgid/20200206133344.724-4-benjamin.gaignard@st.com
> ---
> .../display/panel/orisetech,otm8009a.txt | 23 --------
> .../display/panel/orisetech,otm8009a.yaml | 53 +++++++++++++++++++
> 2 files changed, 53 insertions(+), 23 deletions(-)
> delete mode 100644 Documentation/devicetree/bindings/display/panel/orisetech,otm8009a.txt
> create mode 100644 Documentation/devicetree/bindings/display/panel/orisetech,otm8009a.yaml
>
> diff --git a/Documentation/devicetree/bindings/display/panel/orisetech,otm8009a.txt b/Documentation/devicetree/bindings/display/panel/orisetech,otm8009a.txt
> deleted file mode 100644
> index 203b03eefb68..000000000000
> --- a/Documentation/devicetree/bindings/display/panel/orisetech,otm8009a.txt
> +++ /dev/null
> @@ -1,23 +0,0 @@
> -Orise Tech OTM8009A 3.97" 480x800 TFT LCD panel (MIPI-DSI video mode)
> -
> -The Orise Tech OTM8009A is a 3.97" 480x800 TFT LCD panel connected using
> -a MIPI-DSI video interface. Its backlight is managed through the DSI link.
> -
> -Required properties:
> - - compatible: "orisetech,otm8009a"
> - - reg: the virtual channel number of a DSI peripheral
> -
> -Optional properties:
> - - reset-gpios: a GPIO spec for the reset pin (active low).
> - - power-supply: phandle of the regulator that provides the supply voltage.
> -
> -Example:
> -&dsi {
> - ...
> - panel@0 {
> - compatible = "orisetech,otm8009a";
> - reg = <0>;
> - reset-gpios = <&gpioh 7 GPIO_ACTIVE_LOW>;
> - power-supply = <&v1v8>;
> - };
> -};
> diff --git a/Documentation/devicetree/bindings/display/panel/orisetech,otm8009a.yaml b/Documentation/devicetree/bindings/display/panel/orisetech,otm8009a.yaml
> new file mode 100644
> index 000000000000..6e6ac995c27b
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/display/panel/orisetech,otm8009a.yaml
> @@ -0,0 +1,53 @@
> +# SPDX-License-Identifier: (GPL-2.0-only or BSD-2-Clause)
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/display/panel/orisetech,otm8009a.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: Orise Tech OTM8009A 3.97" 480x800 TFT LCD panel (MIPI-DSI video mode)
> +
> +maintainers:
> + - Philippe CORNU <philippe.cornu@st.com>
> +
> +description: |
> + The Orise Tech OTM8009A is a 3.97" 480x800 TFT LCD panel connected using
> + a MIPI-DSI video interface. Its backlight is managed through the DSI link.
> +allOf:
> + - $ref: panel-common.yaml#
> +
> +properties:
> +
> + compatible:
> + const: orisetech,otm8009a
> +
> + reg:
> + maxItems: 1
> + description: DSI virtual channel
> +
> + enable-gpios: true
> + port: true
> + power-supply: true
> +
> + reset-gpios:
> + maxItems: 1
> +
> +additionalProperties: false
> +
> +required:
> + - compatible
> + - reg
> +
> +examples:
> + - |
> + dsi@0 {
> + #address-cells = <1>;
> + #size-cells = <0>;
> + panel@0 {
> + compatible = "orisetech,otm8009a";
> + reg = <0>;
> + reset-gpios = <&gpiof 15 0>;
> + power-supply = <&v1v8>;
> + };
> + };
> +...
> +

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