On Thu, Feb 13, 2020 at 02:08:08PM +0800, Shawn Lin wrote: > On some platform, external MSI domain is using instead of the one > created by designware driver. For instance, if using GIC-V3-ITS > as a MSI domain, we only need set msi-map in the devicetree but > never need any bit in the designware driver to handle MSI stuff. > So skip allocating its own MSI domain for that case. A new field isn't needed. Just implement the msi_host_init() hook. Rob