linux-kernel - Re: [PATCH v6 0/8] Add multiport support for DWC3 controllers

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Date:   Fri, 14 Apr 2023 10:11:06 +0530
From:   Krishna Kurapati PSSNV <quic_kriskura@...cinc.com>
To:     Adrien Thierry <athierry@...hat.com>
CC:     Thinh Nguyen <Thinh.Nguyen@...opsys.com>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Philipp Zabel <p.zabel@...gutronix.de>,
        "Andy Gross" <agross@...nel.org>,
        Bjorn Andersson <andersson@...nel.org>,
        "Konrad Dybcio" <konrad.dybcio@...aro.org>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        <linux-usb@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        <linux-arm-msm@...r.kernel.org>, <devicetree@...r.kernel.org>,
        <quic_pkondeti@...cinc.com>, <quic_ppratap@...cinc.com>,
        <quic_wcheng@...cinc.com>, <quic_jackp@...cinc.com>,
        <quic_harshq@...cinc.com>, <ahalaney@...hat.com>,
        <quic_shazhuss@...cinc.com>
Subject: Re: [PATCH v6 0/8] Add multiport support for DWC3 controllers



On 4/14/2023 12:24 AM, Adrien Thierry wrote:
> Hi,
> 
>> Krishna Kurapati (8):
>>    dt-bindings: usb: Add bindings for multiport properties on DWC3
>>      controller
>>    usb: dwc3: core: Access XHCI address space temporarily to read port
>>      info
>>    usb: dwc3: core: Skip setting event buffers for host only controllers
>>    usb: dwc3: core: Refactor PHY logic to support Multiport Controller
>>    usb: dwc3: qcom: Add multiport controller support for qcom wrapper
>>    arm64: dts: qcom: sc8280xp: Add multiport controller node for SC8280
>>    arm64: dts: qcom: sa8295p: Enable tertiary controller and its 4 USB
>>      ports
>>    arm64: dts: qcom: sa8540-ride: Enable first port of tertiary usb
>>      controller
>>
>>   .../devicetree/bindings/usb/snps,dwc3.yaml    |  13 +-
>>   arch/arm64/boot/dts/qcom/sa8295p-adp.dts	 |  47 +++
>>   arch/arm64/boot/dts/qcom/sa8540p-ride.dts     |  22 ++
>>   arch/arm64/boot/dts/qcom/sc8280xp.dtsi        |  58 +++
>>   drivers/usb/dwc3/core.c                       | 373 ++++++++++++++----
>>   drivers/usb/dwc3/core.h                       |  71 +++-
>>   drivers/usb/dwc3/drd.c                        |  13 +-
>>   drivers/usb/dwc3/dwc3-qcom.c                  |  28 +-
>>   8 files changed, 523 insertions(+), 102 deletions(-)
> 
> I tested this series on the sa8540p-ride, with a USB Ethernet adapter
> plugged into the board. The device shows up as expected:
> 
> # lsusb -tv
> /:  Bus 02.Port 1: Dev 1, Class=root_hub, Driver=xhci-hcd/2p, 10000M
>      ID 1d6b:0003 Linux Foundation 3.0 root hub
>      |__ Port 1: Dev 2, If 0, Class=Vendor Specific Class, Driver=r8152, 5000M
>          ID 0bda:8153 Realtek Semiconductor Corp. RTL8153 Gigabit Ethernet Adapter
> /:  Bus 01.Port 1: Dev 1, Class=root_hub, Driver=xhci-hcd/4p, 480M
>      ID 1d6b:0002 Linux Foundation 2.0 root hub
> 
> Tested-by: Adrien Thierry <athierry@...hat.com> # sa8540p-ride
> 

Hi Adrien,

  Thanks for testing out the patches.

Regards,
Krishna,