Re: [PATCH v2 02/18] gpio: uapi: define uAPI v2

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On Thu, Aug 6, 2020 at 3:15 AM Kent Gibson <warthog618@xxxxxxxxx> wrote:
>
> On Wed, Aug 05, 2020 at 01:18:53PM +0800, Kent Gibson wrote:
> > On Tue, Aug 04, 2020 at 07:42:34PM +0200, Bartosz Golaszewski wrote:
> > > On Sat, Jul 25, 2020 at 6:20 AM Kent Gibson <warthog618@xxxxxxxxx> wrote:
>
> [snip]
>
> > > > config, info, info_changed and event structs receive updated versions,
> > > > and the first three new ioctls.
> > > >
> > > > Signed-off-by: Kent Gibson <warthog618@xxxxxxxxx>
> > > > ---
> > >
> > > Hi Kent,
> > >
> > > Thanks a lot for your work on this. Please see comments below.
> > >
> > > One thing I'd change globally for better readability is to have all
> > > new symbols marked as v2 - even if they have no counterparts in v1. I
> > > know libgpiod will wrap it all anyway but I think it's still a good
> > > way to make our work in user-space easier.
> > >
> >
> > Fair enough.  Oh joy.
> >
>
> Given that the intent is to highlight that the symbols are related to the
> v2 of the GPIO uAPI, and not the second version of a particular type, it
> makes more sense to me that the v2 is placed adjacent to the GPIO in the
> name.  e.g. gpioline_flag_v2 would become gpiov2line_flag.
>
> Does that work for you?
>

Yes, except that gpiov2line is a terrible prefix. Perhaps we should
make that into gpiov2_line_flag and same for all others? Maybe even
gpio_v2_line_flag if that doesn't make the symbols too long/too hard
to read.

Bartosz



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