Re: [PATCH] dt-bindings: PCI: rcar-gen4-pci-host: Replace sft_ce IRQ with AER IRQ on R-Car Gen5

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

On 10/26/26 11:26 PM, Rob Herring wrote:
> On Sat, Oct 03, 2026 at 11:57:04PM +0200, Marek Vasut wrote:
>> The R-Car Gen5 SoC PCIe4 controller does not have dedicated sft_ce IRQ.
>> Make that interrupt conditionally available only on R-Car Gen4 SoC PCIe
>> controller.
>>
>> The R-Car Gen5 SoC PCIe4 controller does have dedicated AER interrupt,
>> include it from the beginning. R-Car Gen4 SoC PCIe controller also has
>> an AER interrupt, but to retain binding backward compatibility, this
>> interrupt is kept optional and added in a separate patchset.
>>
>> Fixes: 5b555a496160 ("dt-bindings: PCI: rcar-gen4-pci-host: Add R-Car X5H PCIe4 compatible")
>> Signed-off-by: Marek Vasut <marek.vasut+renesas@mailbox.org>
>> ---
>> Cc: "Krzysztof Wilczyński" <kwilczynski@kernel.org>
>> Cc: Bjorn Helgaas <bhelgaas@google.com>
>> Cc: Conor Dooley <conor+dt@kernel.org>
>> Cc: Geert Uytterhoeven <geert+renesas@glider.be>
>> Cc: Koichiro Den <den@valinux.co.jp>
>> Cc: Krzysztof Kozlowski <krzk+dt@kernel.org>
>> Cc: Lorenzo Pieralisi <lpieralisi@kernel.org>
>> Cc: Manivannan Sadhasivam <mani@kernel.org>
>> Cc: Rob Herring <robh@kernel.org>
>> Cc: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
>> Cc: devicetree@vger.kernel.org
>> Cc: linux-kernel@vger.kernel.org
>> Cc: linux-pci@vger.kernel.org
>> Cc: linux-renesas-soc@vger.kernel.org
>> ---
>> NOTE: Gen4 AER is added in https://lore.kernel.org/all/20260928165230.3397664-1-den@valinux.co.jp/
>> ---
>>   .../bindings/pci/rcar-gen4-pci-host.yaml      | 21 ++++++++++++-------
>>   1 file changed, 14 insertions(+), 7 deletions(-)
>>
>> diff --git a/Documentation/devicetree/bindings/pci/rcar-gen4-pci-host.yaml b/Documentation/devicetree/bindings/pci/rcar-gen4-pci-host.yaml
>> index 362c43a1a15d0..083b77d4de8f7 100644
>> --- a/Documentation/devicetree/bindings/pci/rcar-gen4-pci-host.yaml
>> +++ b/Documentation/devicetree/bindings/pci/rcar-gen4-pci-host.yaml
>> @@ -28,13 +28,6 @@ properties:
>>     interrupts:
>>       maxItems: 4
>>   
>> -  interrupt-names:
> 
> Keep with just 'maxItems: 4'.
Fixed in V2, thanks!