Message-ID: <20210115104947.71d99e87@coco.lan>
Date:   Fri, 15 Jan 2021 10:49:47 +0100
From:   Mauro Carvalho Chehab <mchehab+huawei@...nel.org>
To:     Lukas Bulwahn <lukas.bulwahn@...il.com>
Cc:     corbet@....net, linux-doc@...r.kernel.org,
        linux-kernel@...r.kernel.org,
        Jonathan Cameron <Jonathan.Cameron@...wei.com>
Subject: Re: [PATCH 00/10] Fix documentation warnings at linux-next

Hi Lukas,

Em Fri, 15 Jan 2021 07:12:38 +0100
Lukas Bulwahn <lukas.bulwahn@...il.com> escreveu:

> [reduced the recipient list to the main responsible ones and list]
> 
> Hi Mauro, hi Jonathan,
> 
> We both, Mauro and I, have been submitting patches to address the
> documentation warnings on linux-next. If it is okay with you, Mauro, I
> would like to take responsibility for the task to send out the patches
> to address all warnings on linux-next in make htmldocs and follow up
> with all the discussions. I can also provide a short weekly summary
> (probably always on Friday) on what is pending where and what I could
> not resolve by myself.
> 
> Is that okay for you?
> 
> If at some point I do not have the time to take care anymore, I will
> let you know.

Yeah, sure!

Anyway, after applying the patches I sent this week, the warnings
I'm getting are all due to the validation scripts I wrote. So, if 
everything gets merged (either yours or my version), we'll have zero
Sphinx/kernel-doc warnings again.

The script-validation warnings are:

1. Broken cross references
--------------------------

$ scripts/documentation-file-ref-check
Warning: Documentation/arm/booting.rst references a file that doesn't exist: Documentation/devicetree/booting-without-of.rst
Warning: Documentation/devicetree/bindings/hwmon/ntc_thermistor.txt references a file that doesn't exist: Documentation/devicetree/bindings/iio/iio-bindings.txt
Warning: Documentation/devicetree/bindings/input/adc-joystick.yaml references a file that doesn't exist: Documentation/devicetree/bindings/iio/iio-bindings.txt
Warning: Documentation/devicetree/bindings/power/supply/da9150-charger.txt references a file that doesn't exist: Documentation/devicetree/bindings/iio/iio-bindings.txt
Warning: Documentation/devicetree/bindings/regulator/rohm,bd9576-regulator.yaml references a file that doesn't exist: Documentation/devicetree/bindings/mfd/rohm,bd9576-pmic.yaml
Warning: Documentation/translations/zh_CN/arm/Booting references a file that doesn't exist: Documentation/devicetree/booting-without-of.rst
Warning: Documentation/virt/kvm/vcpu-requests.rst references a file that doesn't exist: Documentation/core-api/atomic_ops.rst
Warning: MAINTAINERS references a file that doesn't exist: Documentation/devicetree/bindings/pinctrl/toshiba,tmpv7700-pinctrl.yaml
Warning: MAINTAINERS references a file that doesn't exist: Documentation/devicetree/bindings/misc/hisilicon-hikey-usb.yaml
Warning: MAINTAINERS references a file that doesn't exist: Documentation/devicetree/bindings/display/intel,kmb_display.yaml
Warning: MAINTAINERS references a file that doesn't exist: Documentation/devicetree/bindings/media/i2c/ov2680.yaml
Warning: include/linux/rculist_nulls.h references a file that doesn't exist: Documentation/core-api/atomic_ops.rst
Warning: tools/memory-model/Documentation/simple.txt references a file that doesn't exist: Documentation/core-api/atomic_ops.rst

It sounds that part of the above is due to DT patches that weren't
merged yet, but there are a few others that can be solved, but may
require discussions with some Kernel developers/maintainers.

2. Duplicated ABI definitions
-----------------------------

$ scripts/get_abi.pl validate
Warning: /sys/bus/iio/devices/iio:deviceX/in_accel_x_calibbias is defined 2 times:  ./Documentation/ABI/testing/sysfs-bus-iio-icm42600:0  ./Documentation/ABI/testing/sysfs-bus-iio:394
Warning: /sys/bus/iio/devices/iio:deviceX/in_accel_y_calibbias is defined 2 times:  ./Documentation/ABI/testing/sysfs-bus-iio-icm42600:1  ./Documentation/ABI/testing/sysfs-bus-iio:395
Warning: /sys/bus/iio/devices/iio:deviceX/in_accel_z_calibbias is defined 2 times:  ./Documentation/ABI/testing/sysfs-bus-iio-icm42600:2  ./Documentation/ABI/testing/sysfs-bus-iio:396
Warning: /sys/bus/iio/devices/iio:deviceX/in_anglvel_x_calibbias is defined 2 times:  ./Documentation/ABI/testing/sysfs-bus-iio-icm42600:3  ./Documentation/ABI/testing/sysfs-bus-iio:397
Warning: /sys/bus/iio/devices/iio:deviceX/in_anglvel_y_calibbias is defined 2 times:  ./Documentation/ABI/testing/sysfs-bus-iio-icm42600:4  ./Documentation/ABI/testing/sysfs-bus-iio:398
Warning: /sys/bus/iio/devices/iio:deviceX/in_anglvel_z_calibbias is defined 2 times:  ./Documentation/ABI/testing/sysfs-bus-iio-icm42600:5  ./Documentation/ABI/testing/sysfs-bus-iio:399
Warning: /sys/bus/iio/devices/iio:deviceX/in_count0_preset is defined 2 times:  ./Documentation/ABI/testing/sysfs-bus-iio-timer-stm32:100  ./Documentation/ABI/testing/sysfs-bus-iio-lptimer-stm32:0
Warning: /sys/bus/iio/devices/iio:deviceX/in_count_quadrature_mode_available is defined 2 times:  ./Documentation/ABI/testing/sysfs-bus-iio-counter-104-quad-8:2  ./Documentation/ABI/testing/sysfs-bus-iio-lptimer-stm32:8
Warning: /sys/bus/iio/devices/iio:deviceX/out_altvoltageY_frequency is defined 2 times:  ./Documentation/ABI/testing/sysfs-bus-iio-frequency-adf4371:0  ./Documentation/ABI/testing/sysfs-bus-iio:599
Warning: /sys/bus/iio/devices/iio:deviceX/out_altvoltageY_powerdown is defined 2 times:  ./Documentation/ABI/testing/sysfs-bus-iio-frequency-adf4371:36  ./Documentation/ABI/testing/sysfs-bus-iio:588
Warning: /sys/bus/iio/devices/iio:deviceX/out_currentY_raw is defined 2 times:  ./Documentation/ABI/testing/sysfs-bus-iio-light-lm3533-als:43  ./Documentation/ABI/testing/sysfs-bus-iio-health-afe440x:38
Warning: /sys/bus/iio/devices/iio:deviceX/out_current_heater_raw is defined 2 times:  ./Documentation/ABI/testing/sysfs-bus-iio-humidity-hdc2010:0  ./Documentation/ABI/testing/sysfs-bus-iio-humidity-hdc100x:0
Warning: /sys/bus/iio/devices/iio:deviceX/out_current_heater_raw_available is defined 2 times:  ./Documentation/ABI/testing/sysfs-bus-iio-humidity-hdc2010:1  ./Documentation/ABI/testing/sysfs-bus-iio-humidity-hdc100x:1
Warning: /sys/bus/iio/devices/iio:deviceX/sensor_sensitivity is defined 2 times:  ./Documentation/ABI/testing/sysfs-bus-iio-distance-srf08:0  ./Documentation/ABI/testing/sysfs-bus-iio-proximity-as3935:8
Warning: /sys/bus/iio/devices/triggerX/sampling_frequency is defined 2 times:  ./Documentation/ABI/testing/sysfs-bus-iio-timer-stm32:92  ./Documentation/ABI/testing/sysfs-bus-iio:45
Warning: /sys/class/backlight/<backlight>/l1_daylight_max is defined 2 times:  ./Documentation/ABI/testing/sysfs-class-backlight-adp8860:12  ./Documentation/ABI/testing/sysfs-class-backlight-driver-adp8870:4
Warning: /sys/class/leds/<led>/repeat is defined 2 times:  ./Documentation/ABI/testing/sysfs-class-led-trigger-pattern:28  ./Documentation/ABI/testing/sysfs-class-led-driver-el15203000:0
Warning: /sys/kernel/iommu_groups/reserved_regions is defined 2 times:  ./Documentation/ABI/testing/sysfs-kernel-iommu_groups:15  ./Documentation/ABI/testing/sysfs-kernel-iommu_groups:27

Perhaps you could check with Jonathan Cameron some strategy to address
the IIO warnings.

Thanks,
Mauro

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