[PATCH v11 08/14] irqchip/riscv-imsic: Add support for platform MSI irqdomain

[Thomas Gleixner]

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@linutronix.de