Re: [PATCH v2] PCI: xilinx-xdma: Enable INTx interrupts

[Stefan Roese <stefan.roese@mailbox.org>]

On 10/22/25 14:48, Musham, Sai Krishna wrote:
> [AMD Official Use Only - AMD Internal Distribution Only]

<snip>

>>> We even don’t need ravi patch, as we have tested this at our end it
>>> works fine by just updating interrupt-map Property. We need to now understand the
>> difference in design.
>>
>> Ok, please let us know with your findings. In the meantime, I'll keep Ravi's patch in
>> tree, as it seems to be required on his setup.
>>
> 
> We tested on Linux version 6.12.40 without applying either Stefan's or Ravi's patches.
> Instead, we applied only the following interrupt-map property change (entries 0,1,2,3) and verified that
> legacy interrupts are working correctly.
> 
> interrupt-map = <0 0 0 1 &pcie_intc_0 0>,
> <0 0 0 2 &pcie_intc_0 1>,
> <0 0 0 3 &pcie_intc_0 2>,
> <0 0 0 4 &pcie_intc_0 3>;
> 
> 38:       1143          0  pl_dma:RC-Event  16 Level     80000000.axi-pcie
> 39:       1143          0  pl_dma:INTx   0 Level     nvme0q0, nvme0q1

Okay. Same here. I don't need Ravi's patch for the INTx bit enabling.

I understand that you want us to change the interrupt map in the auto-
generated device-tree from Vivado. Which is IMHO a bit "suboptimal".

I would prefer to have a solution which works out-of-the-box, w/o the
need to manually change DT properties. Is it planned to change / fix
this interrupt map in pl.dtsi generated with a newer version of Vivado?

Thanks,
Stefan