Re: [PATCH v2 0/6] PAXB INTx support with proper model
From: Florian Fainelli
Date: Wed Sep 04 2019 - 13:16:34 EST
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@xxxxxxxxx>
>
> 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