linux-kernel - Re: [PATCH 1/2] dt-bindings: hwmon: pwm-fan: Document default-pwm property

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Message-Id: <173584586623.427850.4042944653628496064.robh@kernel.org>
Date: Thu, 02 Jan 2025 13:24:26 -0600
From: "Rob Herring (Arm)" <robh@...nel.org>
To: Peter Korsgaard <peter@...sgaard.com>
Cc: Guenter Roeck <linux@...ck-us.net>, 
 Krzysztof Kozlowski <krzk+dt@...nel.org>, 
 Conor Dooley <conor+dt@...nel.org>, devicetree@...r.kernel.org, 
 linux-hwmon@...r.kernel.org, Jean Delvare <jdelvare@...e.com>, 
 linux-kernel@...r.kernel.org
Subject: Re: [PATCH 1/2] dt-bindings: hwmon: pwm-fan: Document default-pwm
 property

On Thu, 02 Jan 2025 18:50:40 +0100, Peter Korsgaard wrote:
> The pwm-fan driver uses full PWM (255) duty cycle at startup, which may not
> always be desirable because of noise or power consumption peaks, so add an
> optional "default-pwm" property that can be used to specify a custom default
> PWM duty cycle.
> 
> Signed-off-by: Peter Korsgaard <peter@...sgaard.com>
> ---
>  Documentation/devicetree/bindings/hwmon/pwm-fan.yaml | 7 +++++++
>  1 file changed, 7 insertions(+)
> 

My bot found errors running 'make dt_binding_check' on your patch:

yamllint warnings/errors:

dtschema/dtc warnings/errors:
/builds/robherring/dt-review-ci/linux/Documentation/devicetree/bindings/hwmon/pwm-fan.yaml: default-pwm: missing type definition
Error: Documentation/devicetree/bindings/hwmon/pwm-fan.example.dts:75.25-27 syntax error
FATAL ERROR: Unable to parse input tree
make[2]: *** [scripts/Makefile.dtbs:131: Documentation/devicetree/bindings/hwmon/pwm-fan.example.dtb] Error 1
make[2]: *** Waiting for unfinished jobs....
make[1]: *** [/builds/robherring/dt-review-ci/linux/Makefile:1506: dt_binding_check] Error 2
make: *** [Makefile:251: __sub-make] Error 2

doc reference errors (make refcheckdocs):

See https://patchwork.ozlabs.org/project/devicetree-bindings/patch/20250102175041.822977-1-peter@korsgaard.com

The base for the series is generally the latest rc1. A different dependency
should be noted in *this* patch.

If you already ran 'make dt_binding_check' and didn't see the above
error(s), then make sure 'yamllint' is installed and dt-schema is up to
date:

pip3 install dtschema --upgrade

Please check and re-submit after running the above command yourself. Note
that DT_SCHEMA_FILES can be set to your schema file to speed up checking
your schema. However, it must be unset to test all examples with your schema.