Re: [PATCH] PCI: dwc: Warn if the MSI ctrl doesn't have an associated platform IRQ in DT

[Manivannan Sadhasivam]

On Thu, 30 Oct 2025 22:43:46 +0530, Manivannan Sadhasivam wrote:
> The internal MSI controller in DWC IPs supports multiple MSI ctrls, each
> capable of receiving 32 MSI vectors per ctrl. And each MSI ctrl requires a
> dedicated MSI platform IRQ in devicetree to function. Otherwise, MSIs won't
> be received from the endpoints.
> 
> Currently, dw_pcie_msi_host_init() only registers the IRQ handler if the
> MSI ctrl has the associated MSI platform IRQ in DT. But it doesn't warn if
> the IRQ is not available. This may cause developers/users to believe that
> the platform supports MSI vectors from all MSI ctrls, but it doesn't.
> 
> [...]

Applied, thanks!

[1/1] PCI: dwc: Warn if the MSI ctrl doesn't have an associated platform IRQ in DT
      commit: 571dd53fca80508de39cb2edc49a43be3ea5ae12

Best regards,
-- 
Manivannan Sadhasivam <mani@xxxxxxxxxx>