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SubjectRe: [PATCH v9 13/20] gpio: uapi: document uAPI v1 as deprecated
On Tue, Sep 22, 2020 at 09:49:11AM +0200, Arnd Bergmann wrote:
> On Tue, Sep 22, 2020 at 4:36 AM Kent Gibson <warthog618@gmail.com> 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.
>

Andy had a similar comment regarding the build option, which I updated,
but missed updating it here. The updated sentence ends at deprecated.
I will update these to match in the next rev.

> 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 ;-)
>

That was the idea - though even the sysfs interface is still there
and doesn't seem to be going anywhere in a hurry.

Cheers,
Kent.

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