Re: [PATCH v2 1/6] driver core: Move the "authorized" attribute from USB/Thunderbolt to core

[Kuppuswamy, Sathyanarayanan]

On 9/30/21 12:04 PM, Dan Williams wrote:
> > > That's why it was highlighted in the changelog. Hopefully a
> > > Thunderbolt developer can confirm if it is a non-issue.
> > > Documentation/ABI/testing/sysfs-bus-thunderbolt does not seem to
> > > answer this question about whether authorized_show and
> > > authorized_store need to be symmetric.
> > Apparently, Bolt does read it [1] and cares about it [2].
> Ah, thank you!
>
> Yeah, looks like the conversion to bool was indeed too hopeful.

IIUC, the end result of value "2" in authorized sysfs is to just
"authorize" or "de-authorize". In that case, can the user space
driver adapt to this int->bool change? Just want to know the
possibility.

--
Sathyanarayanan Kuppuswamy
Linux Kernel Developer