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SubjectRe: [PATCH v9 13/20] gpio: uapi: document uAPI v1 as deprecated
On Tue, Sep 22, 2020 at 10:49 AM Arnd Bergmann <> wrote:
> On Tue, Sep 22, 2020 at 4:36 AM Kent Gibson <> wrote:
> > /*
> > * ABI v1
> > + *
> > + * This version of the ABI is deprecated and will be removed in the future.
> > + * Use the latest version of the ABI, defined above, instead.
> > */
> How intentional is the wording here? It seems unrealistic that the v1 ABI
> would be removed any time soon if there are existing users and applications
> cannot yet rely on v2 to be present in all kernels, so it sounds like a hollow
> threat.

I have similar thoughts when commenting on previous versions of this piece.

> At the same time I can see that telling users it will be removed can lead to
> them moving on to the new version more quickly, so maybe a hollow threat
> is in fact appropriate here ;-)

Users all know that if something will be broken, they may escalate to
Linus T. and get things reverted. So, above depends on the user's
knowledge about the process.

With Best Regards,
Andy Shevchenko

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