linux-kernel - Re: [PATCH v2 0/6] PAXB INTx support with proper model

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Date:   Tue, 15 Oct 2019 10:28:24 -0700
From:   Florian Fainelli <f.fainelli@...il.com>
To:     Srinath Mannam <srinath.mannam@...adcom.com>,
        Lorenzo Pieralisi <lorenzo.pieralisi@....com>,
        Bjorn Helgaas <bhelgaas@...gle.com>,
        Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        Andy Shevchenko <andy.shevchenko@...il.com>,
        Arnd Bergmann <arnd@...db.de>
Cc:     bcm-kernel-feedback-list@...adcom.com, linux-pci@...r.kernel.org,
        devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2 0/6] PAXB INTx support with proper model

On 9/4/19 10:16 AM, Florian Fainelli wrote:
> On 8/28/19 1:54 AM, Srinath Mannam wrote:
>> This patch series adds PCIe legacy interrupt (INTx) support to the iProc
>> PCIe driver by modeling it with its own IRQ domain. All 4 interrupts INTA,
>> INTB, INTC, INTD share the same interrupt line connected to the GIC
>> in the system. This is now modeled by using its own IRQ domain.
>>
>> Also update all relevant devicetree files to adapt to the new model.
>>
>> This patch set is based on Linux-5.2-rc4.
>>
>> Changes from v1:
>>   - Addressed Rob, Lorenzo, Arnd's comments
>>     - Used child node for interrupt controller.
>>   - Addressed Andy Shevchenko's comments
>>     - Replaced while loop with do-while.
> 
> Lorenzo, Bjorn, if you are good with the binding and PCI host driver
> changes, you can take patches 1-2 through your tree, and I will queue up
> the others through the Broadcom ARM SoC pull requests. If not, please
> feel free to add a:
> 
> Acked-by: Florian Fainelli <f.fainelli@...il.com>

I am starting to queue Device Tree patches for 5.5 and I need to know
whether I should be picking up patches 2 through 6, or if you are going
to do this, thank you.

> 
>>
>> Ray Jui (6):
>>   dt-bindings: pci: Update iProc PCI binding for INTx support
>>   PCI: iproc: Add INTx support with better modeling
>>   arm: dts: Change PCIe INTx mapping for Cygnus
>>   arm: dts: Change PCIe INTx mapping for NSP
>>   arm: dts: Change PCIe INTx mapping for HR2
>>   arm64: dts: Change PCIe INTx mapping for NS2
>>
>>  .../devicetree/bindings/pci/brcm,iproc-pcie.txt    |  48 ++++++++--
>>  arch/arm/boot/dts/bcm-cygnus.dtsi                  |  30 ++++++-
>>  arch/arm/boot/dts/bcm-hr2.dtsi                     |  30 ++++++-
>>  arch/arm/boot/dts/bcm-nsp.dtsi                     |  45 ++++++++--
>>  arch/arm64/boot/dts/broadcom/northstar2/ns2.dtsi   |  28 +++++-
>>  drivers/pci/controller/pcie-iproc.c                | 100 ++++++++++++++++++++-
>>  drivers/pci/controller/pcie-iproc.h                |   6 ++
>>  7 files changed, 260 insertions(+), 27 deletions(-)
>>
> 
> 


-- 
Florian