linux-kernel - Re: [PATCH v4 0/6] PAXB INTx support with proper model

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Message-ID: <5e551d0f-0304-1cea-0899-a4c1d6c2f3e8@gmail.com>
Date:   Mon, 6 Jan 2020 11:25:38 -0800
From:   Florian Fainelli <f.fainelli@...il.com>
To:     Srinath Mannam <srinath.mannam@...adcom.com>,
        Lorenzo Pieralisi <lorenzo.pieralisi@....com>,
        Bjorn Helgaas <bhelgaas@...gle.com>,
        Ray Jui <rjui@...adcom.com>, Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        Andy Shevchenko <andy.shevchenko@...il.com>,
        Andrew Murray <andrew.murray@....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 v4 0/6] PAXB INTx support with proper model

On 12/19/19 7:54 PM, 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-5.5-rc1.

Lorenzo are you good with those patches so I can apply the device tree
changes to the 5.6 Broadcom SoC pull request?

> 
> Changes from v3:
>   - Addressed Andrew Murray's comments
>   - Add change to dispose VIRQ when disabling INTx
> 
> Changes from v2:
>   - Addressed Lorenzo's comments
>     - Corrected INTx to PIN mapping.
> 
> 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.
> 
> 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                | 108 ++++++++++++++++++++-
>  drivers/pci/controller/pcie-iproc.h                |   6 ++
>  7 files changed, 268 insertions(+), 27 deletions(-)
> 


-- 
Florian