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

- From: Dan Williams \<hidden\>
- Date: 2021-09-30 15:28:49 
- List: virtualization
- Page: https://ratatoskr.run/virtualization/2021/09/1527231
- Thread: https://ratatoskr.run/linux-pci/2021/09/1526447/t.md

```text
On Thu, Sep 30, 2021 at 4:20 AM Yehezkel Bernat [ref] wrote:
>
> On Thu, Sep 30, 2021 at 4:05 AM Kuppuswamy Sathyanarayanan
> [ref] wrote:
> >
> > no functional
> > changes other than value 2 being not visible to the user.
> >
>
> Are we sure we don't break any user-facing tool with it? Tools might use this to
> "remember" how the device was authorized this time.

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.
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```