Re: [PATCH v4 0/6] PAXB INTx support with proper model
From: Florian Fainelli
Date: Mon Jan 06 2020 - 14:25:50 EST
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(-)