linux-kernel - Re: [RFC,v14 0/5] Add DT based PCIe wake support in PCI core driver

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Message-ID: <557bae04-13c2-44ea-bad0-9589c999c2cb@nvidia.com>
Date:   Thu, 7 Dec 2023 12:39:02 +0530
From:   Manikanta Maddireddy <mmaddireddy@...dia.com>
To:     Krishna Chaitanya Chundru <quic_krichai@...cinc.com>,
        bhelgaas@...gle.com, thierry.reding@...il.com, petlozup@...dia.com,
        rafael.j.wysocki@...el.com, lpieralisi@...nel.org, robh@...nel.org,
        jeffy.chen@...k-chips.com
Cc:     krzysztof.kozlowski+dt@...aro.org, jonathanh@...dia.com,
        dmitry.osipenko@...labora.com, viresh.kumar@...aro.org,
        gregkh@...uxfoundation.org, steven.price@....com, kw@...ux.com,
        linux-pci@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-tegra@...r.kernel.org,
        linux-pm@...r.kernel.org, vidyas@...dia.com
Subject: Re: [RFC,v14 0/5] Add DT based PCIe wake support in PCI core driver

Hi Krishna Chaitanya,

Unfortunately I cannot follow up on this series now.
If you have a platform with same requirement, please verify and publish 
new version.

Thanks,
Manikanta


On 06-12-2023 20:14, Krishna Chaitanya Chundru wrote:
> External email: Use caution opening links or attachments
>
>
> Hi Manikanta,
>
> I don't see any update on this series after comments.
>
> Is there  any plans to take up this series.
>
> Thanks & Regards,
>
> Krishna Chaitanya.
>
> On 2/8/2023 4:46 PM, Manikanta Maddireddy wrote:
>> Below series [1] attempted to support DT based PCIe wake feature in 
>> generic
>> PCI core driver. This series was left at v13 and final comments are not
>> addressed. I am continuing this series from v14 by addressing all 
>> comments
>> in v13. I dropped rockchip device tree patch because I don't have 
>> hardware
>> to verify it. Instead, I verified these patches on NVIDIA Jetson AGX 
>> Orin
>> Developer Kit and included its device tree changes in this series.
>>
>> [1] 
>> https://lore.kernel.org/all/20171226023646.17722-1-jeffy.chen@rock-chips.com/
>>
>> Changes in v14:
>> Updated commit message for DT bindings patch to reflect that DT 
>> properties
>> are tied to PCI-PCI Bridge.
>> Addressed review comments on PCI interrupt parsing patch.
>> Dropped rockchip device tree patch.
>> Added Jetson AGX OrinDeveloper Kit device tree and Tegra PMC patches.
>>
>> Changes in v13:
>> Fix compiler error reported by kbuild test robot 
>> <fengguang.wu@...el.com>
>>
>> Changes in v12:
>> Only add irq definitions for PCI devices and rewrite the commit message.
>> Enable the wake irq in noirq stage to avoid possible irq storm.
>>
>> Changes in v11:
>> Address Brian's comments.
>> Only support 1-per-device PCIe WAKE# pin as suggested.
>> Move to pcie port as Brian suggested.
>>
>> Changes in v10:
>> Use device_set_wakeup_capable() instead of device_set_wakeup_enable(),
>> since dedicated wakeirq will be lost in device_set_wakeup_enable(false).
>>
>> Changes in v9:
>> Add section for PCI devices and rewrite the commit message.
>> Fix check error in .cleanup().
>> Move dedicated wakeirq setup to setup() callback and use
>> device_set_wakeup_enable() to enable/disable.
>> Rewrite the commit message.
>>
>> Changes in v8:
>> Add optional "pci", and rewrite commit message.
>> Add pci-of.c and use platform_pm_ops to handle the PCIe WAKE# signal.
>> Rewrite the commit message.
>>
>> Changes in v7:
>> Move PCIE_WAKE handling into pci core.
>>
>> Changes in v6:
>> Fix device_init_wake error handling, and add some comments.
>>
>> Changes in v5:
>> Move to pci.txt
>> Rebase.
>> Use "wakeup" instead of "wake"
>>
>> Changes in v3:
>> Fix error handling.
>>
>> Changes in v2:
>> Use dev_pm_set_dedicated_wake_irq.
>>
>> Jeffy Chen (3):
>>    dt-bindings: PCI: Add definition of PCIe WAKE# irq and PCI irq
>>    of/irq: Adjust of_pci_irq parsing for multiple interrupts
>>    PCI / PM: Add support for the PCIe WAKE# signal for OF
>>
>> Manikanta Maddireddy (2):
>>    arm64: tegra: Add PCIe port node with PCIe WAKE# for C1 controller
>>    soc/tegra: pmc: Add Tegra234 PCIe wake event
>>
>>   Documentation/devicetree/bindings/pci/pci.txt |  8 +++
>>   .../nvidia/tegra234-p3737-0000+p3701-0000.dts | 11 ++++
>>   drivers/pci/of.c                              | 63 ++++++++++++++++++-
>>   drivers/pci/pci-driver.c                      | 10 +++
>>   drivers/pci/pci.c                             |  7 +++
>>   drivers/pci/pci.h                             |  8 +++
>>   drivers/soc/tegra/pmc.c                       |  1 +
>>   7 files changed, 105 insertions(+), 3 deletions(-)
>>