Re: [PATCH] hwmon: axiado-pwm-fan: Add missing documentation and MAINTAINERS entries

[Guenter Roeck]

On Wed, Sep 23, 2026 at 02:58:41AM -0700, Petar Stepanovic wrote:
> The axiado-pwm-fan entry was added to the hwmon documentation index, but
> the corresponding Documentation/hwmon/axiado-pwm-fan.rst file is missing.
> 
> The MAINTAINERS entry also only lists the devicetree binding and is missing
> entries for the hwmon documentation and driver.
> 
> Add the missing documentation file and MAINTAINERS entries.
> 
> Fixes: 2d52742f408f ("hwmon: add Axiado AX3000 and AX3005 PWM fan controller driver")
> Reported-by: kernel test robot <lkp@xxxxxxxxx>
> Closes: https://lore.kernel.org/oe-kbuild-all/202609230904.aIWyLsSt-lkp@xxxxxxxxx/
> Signed-off-by: Petar Stepanovic <pstepanovic@xxxxxxxxxx>

Sorry for that. The patch did not apply due to conflicts, and I had to
apply manually using patch. Doing so I forgot to include the missing
entries.

I'll fold this patch into the original patch introducing the driver.

Thanks,
Guenter

> ---
> This patch adds the missing Axiado PWM fan documentation file and updates
> the MAINTAINERS entry to include the documentation and driver source
> files.
> ---
>  Documentation/hwmon/axiado-pwm-fan.rst | 38 ++++++++++++++++++++++++++++++++++
>  MAINTAINERS                            |  2 ++
>  2 files changed, 40 insertions(+)
> 
> 
> ---
> base-commit: bf92ea2a46120fd0809f24d39ad3482d0f20876b
> change-id: 20260923-axiado-pwm-fan-doc-fix-new-d0e42bbb0cbc
> 
> Best regards,
> --  
> Petar Stepanovic <pstepanovic@xxxxxxxxxx>
> 
> diff --git a/Documentation/hwmon/axiado-pwm-fan.rst b/Documentation/hwmon/axiado-pwm-fan.rst
> new file mode 100644
> index 000000000000..d110e170b0df
> --- /dev/null
> +++ b/Documentation/hwmon/axiado-pwm-fan.rst
> @@ -0,0 +1,38 @@
> +.. SPDX-License-Identifier: GPL-2.0
> +
> +Kernel driver axiado-pwm-fan
> +============================
> +
> +Supported chips:
> +
> +  * Axiado AX3000
> +  * Axiado AX3005
> +
> +    Datasheet: Not publicly available
> +
> +Author:
> +
> +  * Petar Stepanovic <pstepanovic@xxxxxxxxxx>
> +
> +Description
> +-----------
> +
> +The Axiado AX3000 and AX3005 PWM fan controllers measure the rotational
> +speed of one fan using a hardware tachometer block. Fan speed is controlled
> +through a PWM signal supplied by an external PWM controller.
> +
> +The number of tachometer pulses generated per fan revolution is configured
> +through the ``pulses-per-revolution`` devicetree property. If the property
> +is not specified, the driver uses two pulses per revolution.
> +
> +Sysfs attributes
> +----------------
> +
> +The driver provides the following standard hwmon attributes:
> +
> +=============== ====== =====================================================
> +fan1_input      RO     Fan speed in revolutions per minute (RPM).
> +
> +pwm1            RW     Relative PWM control value from 0 to 255. A value of
> +                       255 selects the maximum PWM duty cycle.
> +=============== ====== =====================================================
> diff --git a/MAINTAINERS b/MAINTAINERS
> index eb3cc6c81bcf..5ad12c57ca5f 100644
> --- a/MAINTAINERS
> +++ b/MAINTAINERS
> @@ -4504,6 +4504,8 @@ M:	Prasad Bolisetty <pbolisetty@xxxxxxxxxx>
>  L:	linux-hwmon@xxxxxxxxxxxxxxx
>  S:	Supported
>  F:	Documentation/devicetree/bindings/hwmon/axiado,ax3000-pwm-fan.yaml
> +F:	Documentation/hwmon/axiado-pwm-fan.rst
> +F:	drivers/hwmon/axiado-pwm-fan.c
>  
>  AXIADO SPI DB DRIVER
>  M:	Vladimir Moravcevic <vmoravcevic@xxxxxxxxxx>