On 2/25/21 4:10 PM, Marc Zyngier wrote:

In anticipation of the removal of the msi_controller structure, convert
the Rcar host controller driver to MSI domains.

We end-up with the usual two domain structure, the top one being a
generic PCI/MSI domain, the bottom one being Rcar-specific and handling
the actual HW interrupt allocation.

Also take the opportunity to get rid of the cargo-culted memory allocation
for the MSI capture address. *ANY* sufficiently aligned address should
be good enough, so use the physical address of the msi structure instead.

On R8A7795 with Intel 600p NVMe SSD and IWLwifi 6235 card,
Tested-by: Marek Vasut <marek.vasut+renesas@gmail.com>
Thanks.