Re: [PATCH 1/2] thunderbolt: Read DROM directly from NVM before trying bit banging

[Mika Westerberg]

On Wed, Feb 15, 2023 at 08:24:39AM +0200, Mika Westerberg wrote:
> > I guess something else that might be less detrimental the loss of UUID
> > by reading DROM this way would be to only read DROM this way if any CRC
> > failed.
> 
> Actually we do read UUID for TBT3 devices from link controller registers
> (see tb_lc_read_uuid()) instead so I think perhaps we can limit the
> bitbanging just for older TBT devices with no LC or something like that?

Just make sure UUID stays the same so that users don't need to
re-authorize their devices.