linux-kernel - [PATCH v7 0/3] PCI: qcom: ep: Add basic interconnect support

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Date:   Fri, 30 Jun 2023 09:55:20 +0530
From:   Krishna chaitanya chundru <quic_krichai@...cinc.com>
To:     manivannan.sadhasivam@...aro.org
Cc:     helgaas@...nel.org, linux-pci@...r.kernel.org,
        linux-arm-msm@...r.kernel.org, linux-kernel@...r.kernel.org,
        quic_vbadigan@...cinc.com, quic_nitegupt@...cinc.com,
        quic_skananth@...cinc.com, quic_ramkri@...cinc.com,
        krzysztof.kozlowski@...aro.org,
        Krishna chaitanya chundru <quic_krichai@...cinc.com>
Subject: [PATCH v7 0/3] PCI: qcom: ep: Add basic interconnect support

Add basic support for managing "pcie-mem" interconnect path by setting
a low constraint before enabling clocks and updating it after the link
is up based on link speed and width the device got enumerated.

chnages from v6:
	- addressed the comments as suggested by mani.
changes from v5:
        - addressed the comments by mani.
changes from v4:
        - rebased with linux-next.
        - Added comments as suggested by mani.
        - removed the arm: dts: qcom: sdx55: Add interconnect path
          as that patch is already applied.
changes from v3:
        - ran make DT_CHECKER_FLAGS=-m dt_binding_check and fixed
         errors.
        - Added macros in the qcom ep driver patch as suggested by Dmitry
changes from v2:
        - changed the logic for getting speed and width as suggested
         by bjorn.
        - fixed compilation errors.


Krishna chaitanya chundru (3):
  dt-bindings: PCI: qcom: ep: Add interconnects path
  arm: dts: qcom: sdx65: Add PCIe interconnect path
  PCI: qcom-ep: Add ICC bandwidth voting support

 .../devicetree/bindings/pci/qcom,pcie-ep.yaml      | 13 ++++
 arch/arm/boot/dts/qcom/qcom-sdx65.dtsi             |  3 +
 drivers/pci/controller/dwc/pcie-qcom-ep.c          | 71 ++++++++++++++++++++++
 3 files changed, 87 insertions(+)

-- 
2.7.4