linux-kernel - Re: [PATCH v10 0/4] PCI: qcom: ep: Add basic interconnect support

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Message-ID: <b7f5d32f-6f1a-d584-4cdd-4c5faf08a72e@quicinc.com>
Date:   Tue, 29 Aug 2023 17:11:30 +0530
From:   Krishna Chaitanya Chundru <quic_krichai@...cinc.com>
To:     Manivannan Sadhasivam <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>
Subject: Re: [PATCH v10 0/4] PCI: qcom: ep: Add basic interconnect support


On 7/28/2023 8:26 AM, Manivannan Sadhasivam wrote:
> On Wed, Jul 19, 2023 at 12:50:14PM +0530, Krishna chaitanya chundru wrote:
>> 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.
>>
> Krzysztof, can this series be merged for 6.6? Bjorn A will pick the dts patches.
>
> - Mani

A Gentle ping

- KC

>> changes from v9:
>> 	- addressed the comments by mani.
>> changes from v8:
>>          - Added cpu to pcie path in dtsi and in dtsi binding.
>> changes from v7:
>>          - setting icc bw to '0' in disable resources as suggested by mani.
>> changes 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 (4):
>>    PCI: qcom-ep: Add ICC bandwidth voting support
>>    arm: dts: qcom: sdx65: Add PCIe EP interconnect path
>>    arm: dts: qcom: sdx55: Add CPU PCIe EP interconnect path
>>    dt-bindings: PCI: qcom: ep: Add interconnects path
>>
>>   .../devicetree/bindings/pci/qcom,pcie-ep.yaml      | 15 +++++
>>   arch/arm/boot/dts/qcom/qcom-sdx55.dtsi             |  5 +-
>>   arch/arm/boot/dts/qcom/qcom-sdx65.dtsi             |  4 ++
>>   drivers/pci/controller/dwc/pcie-qcom-ep.c          | 71 ++++++++++++++++++++++
>>   4 files changed, 93 insertions(+), 2 deletions(-)
>>
>> -- 
>> 2.7.4
>>