Re: [PATCH v2 3/6] PCI: dwc: Skip allocating own MSI domain if using external MSI domain

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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



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