[PATCH v5 3/7] PCI: Drop the `is_thunderbolt` attribute from PCI core
Limonciello, Mario
Mario.Limonciello at amd.com
Mon Feb 28 15:33:13 UTC 2022
[AMD Official Use Only]
>
> On Fri, Feb 25, 2022 at 11:42:24AM -0600, Bjorn Helgaas wrote:
> > That would just leave the "PCI_VSEC_ID_INTEL_TBT implies external-
> facing"
> > assumption above. Not having a Thunderbolt spec, I have no idea how
> > you deal with that.
>
> You can download the spec here:
>
> https://nam11.safelinks.protection.outlook.com/?url=https%3A%2F%2Fww
> w.usb.org%2Fsites%2Fdefault%2Ffiles%2FUSB4%2520Specification%2520202
> 11116.zip&data=04%7C01%7Cmario.limonciello%40amd.com%7Ca26e64
> 7a4acf4e7681d308d9faa358fd%7C3dd8961fe4884e608e11a82d994e183d%7C0
> %7C0%7C637816402472428689%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC
> 4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000&
> amp;sdata=HSDqx%2BHzSnczTZxaBij8sgqvJSS8ajtjCzZd2CPSbR4%3D&re
> served=0
>
> Inside the archive there is also the DVSEC spec with name "USB4 DVSEC
> Version 1.0.pdf".
The spec has Host_Router_indication (bits 18-19) as meaning external facing.
I'll respin the patch 3 for using that.
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