Messages in this thread | | | From | Yehezkel Bernat <> | Date | Thu, 30 Sep 2021 21:25:09 +0300 | Subject | Re: [PATCH v2 1/6] driver core: Move the "authorized" attribute from USB/Thunderbolt to core |
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On Thu, Sep 30, 2021 at 6:28 PM Dan Williams <dan.j.williams@intel.com> wrote: > > On Thu, Sep 30, 2021 at 4:20 AM Yehezkel Bernat <yehezkelshb@gmail.com> wrote: > > > > On Thu, Sep 30, 2021 at 4:05 AM Kuppuswamy Sathyanarayanan > > <sathyanarayanan.kuppuswamy@linux.intel.com> 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.
Apparently, Bolt does read it [1] and cares about it [2].
[1] https://gitlab.freedesktop.org/bolt/bolt/-/blob/130e09d1c7ff02c09e4ad1c9c36e9940b68e58d8/boltd/bolt-sysfs.c#L511 [2] https://gitlab.freedesktop.org/bolt/bolt/-/blob/130e09d1c7ff02c09e4ad1c9c36e9940b68e58d8/boltd/bolt-device.c#L639
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