Re: [PATCH 1/2] PCI: Introduce PCI_FIXUP_IOMMU

Christoph Hellwig
2020-05-26T14:46:51Z

On Tue, May 26, 2020 at 07:49:08PM +0800, Zhangfei Gao wrote:
> Some platform devices appear as PCI but are actually on the AMBA bus,
> and they need fixup in drivers/pci/quirks.c handling iommu_fwnode.
> Here introducing PCI_FIXUP_IOMMU, which is called after iommu_fwnode
> is allocated, instead of reusing PCI_FIXUP_FINAL since it will slow
> down iommu probing as all devices in fixup final list will be
> reprocessed.

Who is going to use this? I don't see a single user in the series.