Messages in this thread | | | Date | Fri, 4 Oct 2019 18:16:21 +0300 | From | Mika Westerberg <> | Subject | Re: [RFC PATCH 17/22] thunderbolt: Add initial support for USB4 |
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On Fri, Oct 04, 2019 at 05:02:37PM +0200, Christian Kellner wrote: > Should work. What would the value be for Thunderbolt 3 (and before)? I > guess '0' if I am looking at the right thing (bits 31:24 in > ROUTER_CS_4)?
Yes, it would be 0x10 and below that depending on the generation.
> Is there any harm of also having the 'generation' exposed > as well? I like the simplicity of the mapping from that value to > Thunderbolt/USB4 standard version (e.g. I would show that in 'boltctl > list'); 'hw_version' will need a bit more "interpreting".
If generation is the only thing you need, we can export that now and forget hw_version :)
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