linux-kernel - Re: [PATCH v3 00/30] IIO-based thermal sensor driver for Allwinner H3 and A83T SoC

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Message-ID: <yw1xzhpryrku.fsf@mansr.com>
Date:   Tue, 19 Mar 2019 12:30:25 +0000
From:   Måns Rullgård <mans@...sr.com>
To:     Philipp Rossak <embed3d@...il.com>
Cc:     lee.jones@...aro.org, robh+dt@...nel.org, mark.rutland@....com,
        maxime.ripard@...tlin.com, wens@...e.org, linux@...linux.org.uk,
        jic23@...nel.org, knaack.h@....de, lars@...afoo.de,
        pmeerw@...erw.net, eugen.hristev@...rochip.com,
        rdunlap@...radead.org, vilhelm.gray@...il.com,
        clabbe.montjoie@...il.com, quentin.schulz@...tlin.com,
        geert+renesas@...der.be, lukas@...ner.de, icenowy@...c.io,
        arnd@...db.de, broonie@...nel.org, arnaud.pouliquen@...com,
        linux-iio@...r.kernel.org, devicetree@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        linux-sunxi@...glegroups.com
Subject: Re: [PATCH v3 00/30] IIO-based thermal sensor driver for Allwinner H3 and A83T SoC

Philipp Rossak <embed3d@...il.com> writes:

> Allwiner H3 and A83T SoCs have a thermal sensor, which is a large refactored
> version of the old Allwinner "GPADC" (although it have already only
> thermal part left in A33).
>
> This patch tried to add support for the sensor in H3 and A83T based on
>
> This Patchtseries was in the beginning based on Icenowy Zengs v4 patchseries [1]. Since we decided to merge the mfd driver into the GPADC this changed. So only one patch could be reused.
>
> Patches that adds support for H5, A64, A80 and H6 SoCs are allready prepared,
> and will be upstreamed if this patchseries is applied and the testing is done.
>
> Sorry for delaying this.
>
> Regards,
> Philipp 
>
> changes since v2:
> 	* mfd driver is now merged into the gpadc driver
> 	* complete rework
>
> changes since v1:
> 	* collecting all acks 
> 	* rewording commits/fix typos
> 	* move code in place where it is used
> 	* fix naming conventions of defines
> 	* clarify commits
> 	* update documentation to cover the new nvmem calibraion
> 	* change nvmem calibration
>
> Icenowy Zheng (1):
>   iio: adc: sun4i-gpadc-iio: rename A33-specified registers to contain
>     A33
>
> Philipp Rossak (29):
>   mfd: Makefile: Remove build option for MFD:sun4i-gpadc
>   mfd: Kconfig: Remove MFD_SUN4I_GPADC config option
>   iio: adc: Remove ID table
>   iio: adc: Kconfig: Update Kconfig to new build options
>   iio: adc: move SUN4I_GPADC_CHANNEL define to header file
>   iio: adc: remove ofnode options
>   iio: adc: remove mfd_probe & sunwi_irq_init function
>   iio: adc: remove hwmon structure
>   iio: adc: Threat A33 as thermal sensor and remove non thermal sun4i
>     channel
>   iio: adc: rework irq and adc_channel handling
>   iio: adc: add new compatibles
>   mfd: Remove old mfd driver & Move sun4i-gpadc.h to iio/adc/
>   arm: config: Enable SUN4I_GPADC in defconfig
>   dt-bindings: update the Allwinner GPADC device tree binding for H3 &
>     A83T
>   iio: adc: sun4i-gpadc-iio: rework: readout temp_data
>   iio: adc: sun4i-gpadc-iio: rework: support clocks and reset
>   iio: adc: sun4i-gpadc-iio: rework: support multiple sensors
>   iio: adc: sun4i-gpadc-iio: rework: support nvmem calibration data
>   iio: adc: sun4i-gpadc-iio: rework: device specific suspend & resume
>   iio: adc: sun4i-gpadc-iio: add support for H3 thermal sensor
>   iio: adc: sun4i-gpadc-iio: add support for A83T thermal sensor
>   ARM: dts: sunxi-h3-h5: add support for the thermal sensor in H3 and H5
>   ARM: dts: sun8i: h3: add support for the thermal sensor in H3
>   ARM: dts: sun8i: h3: add thermal zone to H3
>   ARM: dts: sun8i: h3: enable H3 sid controller
>   ARM: dts: sun8i: h3: use calibration for ths
>   ARM: dts: sun8i: a83t: add support for the thermal sensor in A83T
>   ARM: dts: sun8i: a83t: add thermal zone to A83T
>   ARM: sun8i: a83t: full range OPP tables and CPUfreq
>
>  .../devicetree/bindings/iio/adc/sun4i-gpadc.txt    |  41 +-
>  arch/arm/boot/dts/sun8i-a83t.dtsi                  | 143 +++++
>  arch/arm/boot/dts/sun8i-h3.dtsi                    |  52 ++
>  arch/arm/boot/dts/sunxi-h3-h5.dtsi                 |  10 +
>  arch/arm/configs/sunxi_defconfig                   |   1 +
>  drivers/iio/adc/Kconfig                            |  11 +-
>  drivers/iio/adc/sun4i-gpadc-iio.c                  | 617 +++++++++++++--------
>  drivers/mfd/Kconfig                                |  17 -
>  drivers/mfd/Makefile                               |   1 -
>  drivers/mfd/sun4i-gpadc.c                          | 181 ------
>  include/linux/{mfd => iio/adc}/sun4i-gpadc.h       |  47 +-
>  11 files changed, 681 insertions(+), 440 deletions(-)
>  delete mode 100644 drivers/mfd/sun4i-gpadc.c
>  rename include/linux/{mfd => iio/adc}/sun4i-gpadc.h (72%)

What became of these patches?  I can't seem to find any follow-ups.  Was
the approach abandoned in favour of something else?

-- 
Måns Rullgård