Re: [PATCH v9 00/20] gpio: cdev: add uAPI v2

From: Kent Gibson
Date: Thu Sep 24 2020 - 04:00:23 EST


On Wed, Sep 23, 2020 at 07:35:30PM +0300, Andy Shevchenko wrote:
> On Tue, Sep 22, 2020 at 5:34 AM Kent Gibson <warthog618@xxxxxxxxx> wrote:
> >
> > This patchset defines and implements a new version of the
> > GPIO CDEV uAPI to address existing 32/64-bit alignment issues, add
> > support for debounce, event sequence numbers, and allow for requested
> > lines with different configurations.
> > It provides some future proofing by adding optional configuration fields
> > and padding reserved for future use.
> >
> > The series can be partitioned into three blocks; the first two patches
> > are minor fixes that impact later patches, the next eleven contain the
> > v2 uAPI definition and implementation, and the final seven port the GPIO
> > tools to the v2 uAPI and extend them to use new uAPI features.
> >
> > The more complicated patches include their own commentary where
> > appropriate.
>
> For tools (there are minor comments, which not prevent to have a tag):
> Reviewed-by: Andy Shevchenko <andy.shevchenko@xxxxxxxxx>
>
> For the rest I gave some comments but most of them are simply to
> address. The uAPI definition I agree with after Arnd's comment. I
> don't see big impediments to having this for v5.10.
>
> Thanks!
>

Thanks for your review - I nearly always learn something new from them,
and you can be picky pain in the arse at times - which is a good thing
for a reviewer. Apart from the pain in the arse ;-).

Cheers,
Kent.