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

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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@xxxxxxxxxx> # sa8540p-ride


Hi Adrien,

 Thanks for testing out the patches.

Regards,
Krishna,



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