On Mon, Oct 23 2023 at 22:57, Anup Patel wrote: > The Linux platform MSI support requires a platform MSI irqdomain so > let us add a platform irqchip driver for RISC-V IMSIC which provides > a base IRQ domain and platform MSI domain. This driver assumes that > the IMSIC state is already initialized by the IMSIC early driver. Please no. The platform MSI cruft is really a horrible concept and there is ongoing work (sadly mightily delayed) to convert the main (ab)user ARM over to per device MSI domains. https://lore.kernel.org/r/20221121135653.208611233@xxxxxxxxxxxxx