Re: [PATCH v4 0/5] PCI: rcar-gen4: irqchip/gic-v3: Handle GIC ITS

[Marek Vasut <marek.vasut@mailbox.org>]

On 7/9/26 2:19 PM, Manivannan Sadhasivam wrote:
> On Tue, Jul 07, 2026 at 10:35:38PM +0200, Marek Vasut wrote:
>> Configure all R-Car Gen4 PCIe controller MSI registers fully, both in
>> case MSI are enabled and disabled.
>>
>> Patch GIC ITS driver and add quirks for R-Car Gen4 GIC ITS, which is
>> configured to 32-bit address width for AXI or APB interface.
>>
>> Switch R-Car V4H to use GIC ITS in its DT and describe the GIC ITS
>> implementation cacheable and shareable limitations.
>>
>> Marek Vasut (5):
>>    PCI: dwc: Determine whether iMSI is used before calling .init
>>    PCI: rcar-gen4: Configure AXIINTC if iMSI-RX not used
>>    irqchip/gic-v3: Refactor GIC600 limited to 32bit PA erratum handling
>>    irqchip/gic-v3: Add Renesas R-Car Gen4 erratum workaround
> 
> Is there a functional dependency between irqchip and PCI patches? Since the
> irqchip patches touch ARM64 Kconfig etc... I'm wondering if it still need to go
> through PCI tree.
I do not believe there is.

These two configure the PCIe controller hardware:
   PCI: dwc: Determine whether iMSI is used before calling .init
   PCI: rcar-gen4: Configure AXIINTC if iMSI-RX not used

These two fill in GIC ITS quirks:
   irqchip/gic-v3: Refactor GIC600 limited to 32bit PA erratum handling
   irqchip/gic-v3: Add Renesas R-Car Gen4 erratum workaround

This one does yes depend on the two and two patches above, and can only 
be applied once all four aforementioned patches land, otherwise things 
really yes will break:
   arm64: dts: renesas: r8a779g0: Add GICv3 ITS and update PCIe nodes

Would you like me to split the series up , or can you and Marc (?) pick 
the relevant parts via matching trees ?