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From:   Doug Anderson <dianders@chromium.org>
Date:   Thu, 18 Aug 2022 14:31:15 -0700
Message-ID: <CAD=FV=WkiNZQ0G9MivhA2TwG09wkyPX2AD5T9cMBJeSKWhddvA@mail.gmail.com>
Subject: Re: [PATCH v24 1/2] arm64: dts: qcom: sc7180-trogdor: Add nodes for
 onboard USB hub
To:     Matthias Kaehlcke <mka@chromium.org>
Cc:     Andy Gross <agross@kernel.org>,
        Bjorn Andersson <bjorn.andersson@linaro.org>,
        Rob Herring <robh+dt@kernel.org>,
        Krzysztof Kozlowski <krzk+dt@kernel.org>,
        linux-arm-msm <linux-arm-msm@vger.kernel.org>,
        "open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS" 
        <devicetree@vger.kernel.org>, LKML <linux-kernel@vger.kernel.org>,
        Stephen Boyd <swboyd@chromium.org>,
        Konrad Dybcio <konrad.dybcio@somainline.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>
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Precedence: bulk

Hi,

On Fri, Jul 22, 2022 at 9:32 AM Matthias Kaehlcke <mka@chromium.org> wrote:
>
> Add nodes for the onboard USB hub on trogdor devices. Remove the
> 'always-on' property from the hub regulator, since the regulator
> is now managed by the onboard_usb_hub driver.
>
> For anyone using trogdor-based devices on Linux, it should be
> noted that this requires "CONFIG_USB_ONBOARD_HUB=y".
>
> Signed-off-by: Matthias Kaehlcke <mka@chromium.org>
> Reviewed-by: Stephen Boyd <swboyd@chromium.org>
> Reviewed-by: Douglas Anderson <dianders@chromium.org>
> ---
> This series depends on 3a6bf4a08142 ("usb: core: hub: Create platform
> devices for onboard hubs in hub_probe()") which landed in -next [1].
>
> [1] https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git/commit/?h=usb-next&id=3a6bf4a08142826698121bef16b244dcf50a6431
>
> Changes in v24:
> - renamed 'companion-hub' to 'peer-hub' according to the change
>   in the binding
>
> Changes in v23:
> - added note about enabling CONFIG_USB_ONBOARD_HUB to the commit
>   message
>
> Changes in v22:
> - none
>
> Changes in v21:
> - patch dropped from onboard_usb_hub series
>
> Changes in v20:
> - renamed hub labels to 'usb_hub_2/3_x'
> - added comment for 'regulator-boot-on' of 'pp3300_hub'
> - added 'Reviewed-by' tags from Stephen and Doug
>
> Changes in v19:
> - none
>
> Changes in v18:
> - also adjust config for pompom rev1
>
> Changes in v17:
> - none
>
> Changes in v16:
> - none
>
> Changes in v15:
> - none
>
> Changes in v14:
> - none
>
> Changes in v13:
> - none
>
> Changes in v12:
> - none
>
> Changes in v11:
> - rebased on qcom/arm64-for-5.14 (with the rest of the series)
>
> Changes in v10:
> - keep 'regulator-boot-on' property
> - updated commit message
>
> Changes in v9:
> - none
>
> Changes in v8:
> - none
>
> Changes in v7:
> - rebased on qcom/arm64-for-5.13 (with the rest of the series)
>
> Changes in v6:
> - added 'companion-hub' entry to both USB devices
> - added 'vdd-supply' also to hub@2
>
> Changes in v5:
> - patch added to the series
>
>  .../boot/dts/qcom/sc7180-trogdor-lazor-r0.dts | 19 ++++++++----------
>  .../boot/dts/qcom/sc7180-trogdor-lazor-r1.dts | 12 +++++------
>  .../dts/qcom/sc7180-trogdor-pompom-r1.dts     | 11 ++++------
>  .../arm64/boot/dts/qcom/sc7180-trogdor-r1.dts | 19 ++++++++----------
>  arch/arm64/boot/dts/qcom/sc7180-trogdor.dtsi  | 20 ++++++++++++++++++-
>  5 files changed, 44 insertions(+), 37 deletions(-)

The driver changes have landed and stuck. They're in Linus's tree, so
I think we're now ready to land these two patches! Hooray!

FWIW: I've continued my experiment of landing changes that I'm keeping
track of in a github tree:

https://github.com/dianders/kernel-staging/commits/qcom/arm64-staging

-Doug