linux-kernel - Re: [PATCH v9 0/4] arm64: dts: qcom: add WiFi modules for several platforms

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Date: Mon, 17 Jun 2024 11:10:59 +0200
From: Bartosz Golaszewski <brgl@...ev.pl>
To: Bjorn Andersson <andersson@...nel.org>, Konrad Dybcio <konrad.dybcio@...aro.org>, 
	Rob Herring <robh@...nel.org>, Krzysztof Kozlowski <krzk+dt@...nel.org>, Conor Dooley <conor+dt@...nel.org>
Cc: linux-arm-msm@...r.kernel.org, devicetree@...r.kernel.org, 
	linux-kernel@...r.kernel.org, 
	Bartosz Golaszewski <bartosz.golaszewski@...aro.org>
Subject: Re: [PATCH v9 0/4] arm64: dts: qcom: add WiFi modules for several platforms

On Wed, Jun 5, 2024 at 2:27 PM Bartosz Golaszewski <brgl@...ev.pl> wrote:
>
> From: Bartosz Golaszewski <bartosz.golaszewski@...aro.org>
>
> Hi!
>
> Here are the DTS changes for several Qualcomm boards from the
> power-sequencing series. To keep the cover-letter short, I won't repeat
> all the details, they can be found in the cover-letter for v8. Please
> consider picking them up into the Qualcomm tree. They have all been
> thorougly tested with the pwrseq series.
>
> Changelog:
>
> Since v8:
> - split the DTS patches out into their own series
> - Link to v8: https://lore.kernel.org/r/20240528-pwrseq-v8-0-d354d52b763c@linaro.org
>
> Since v7:
> - added DTS changes for sm8650-hdk
> - added circular dependency detection for pwrseq units
> - fixed a KASAN reported use-after-free error in remove path
> - improve Kconfig descriptions
> - fix typos in bindings and Kconfig
> - fixed issues reported by smatch
> - fix the unbind path in PCI pwrctl
> - lots of minor improvements to the pwrseq core
>
> Since v6:
> - kernel doc fixes
> - drop myself from the DT bindings maintainers list for ath12k
> - wait until the PCI bridge device is fully added before creating the
>   PCI pwrctl platform devices for its sub-nodes, otherwise we may see
>   sysfs and procfs attribute failures (due to duplication, we're
>   basically trying to probe the same device twice at the same time)
> - I kept the regulators for QCA6390's ath11k as required as they only
>   apply to this specific Qualcomm package
>
> Since v5:
> - unify the approach to modelling the WCN WLAN/BT chips by always exposing
>   the PMU node on the device tree and making the WLAN and BT nodes become
>   consumers of its power outputs; this includes a major rework of the DT
>   sources, bindings and driver code; there's no more a separate PCI
>   pwrctl driver for WCN7850, instead its power-up sequence was moved
>   into the pwrseq driver common for all WCN chips
> - don't set load_uA from new regulator consumers
> - fix reported kerneldoc issues
> - drop voltage ranges for PMU outputs from DT
> - many minor tweaks and reworks
>
> v1: Original RFC:
>
> https://lore.kernel.org/lkml/20240104130123.37115-1-brgl@bgdev.pl/T/
>
> v2: First real patch series (should have been PATCH v2) adding what I
>     referred to back then as PCI power sequencing:
>
> https://lore.kernel.org/linux-arm-kernel/2024021413-grumbling-unlivable-c145@gregkh/T/
>
> v3: RFC for the DT representation of the PMU supplying the WLAN and BT
>     modules inside the QCA6391 package (was largely separate from the
>     series but probably should have been called PATCH or RFC v3):
>
> https://lore.kernel.org/all/CAMRc=Mc+GNoi57eTQg71DXkQKjdaoAmCpB=h2ndEpGnmdhVV-Q@mail.gmail.com/T/
>
> v4: Second attempt at the full series with changed scope (introduction of
>     the pwrseq subsystem, should have been RFC v4)
>
> https://lore.kernel.org/lkml/20240201155532.49707-1-brgl@bgdev.pl/T/
>
> v5: Two different ways of handling QCA6390 and WCN7850:
>
> https://lore.kernel.org/lkml/20240216203215.40870-1-brgl@bgdev.pl/
>
> Bartosz Golaszewski (3):
>   arm64: dts: qcom: sm8550-qrd: add the Wifi node
>   arm64: dts: qcom: sm8650-qrd: add the Wifi node
>   arm64: dts: qcom: qrb5165-rb5: add the Wifi node
>
> Neil Armstrong (1):
>   arm64: dts: qcom: sm8650-hdk: add the Wifi node
>
>  arch/arm64/boot/dts/qcom/qrb5165-rb5.dts | 103 ++++++++++++++++++++---
>  arch/arm64/boot/dts/qcom/sm8250.dtsi     |   2 +-
>  arch/arm64/boot/dts/qcom/sm8550-qrd.dts  |  97 +++++++++++++++++++++
>  arch/arm64/boot/dts/qcom/sm8550.dtsi     |   2 +-
>  arch/arm64/boot/dts/qcom/sm8650-hdk.dts  |  89 ++++++++++++++++++++
>  arch/arm64/boot/dts/qcom/sm8650-qrd.dts  |  89 ++++++++++++++++++++
>  arch/arm64/boot/dts/qcom/sm8650.dtsi     |   2 +-
>  7 files changed, 370 insertions(+), 14 deletions(-)
>
> --
> 2.40.1
>

Gentle ping.

Bart