[PATCH v3] dm: i2c: Add a migration method for I2C

[Tom Rini <trini@konsulko.com>]

On Fri, Mar 26, 2021 at 08:11:30AM +1300, Simon Glass wrote:
> Hi Tom,
> 
> On Fri, 26 Mar 2021 at 08:05, Tom Rini <trini@konsulko.com> wrote:
> >
> > On Fri, Mar 26, 2021 at 06:48:26AM +1300, Simon Glass wrote:
> > > Hi Tom,
> > >
> > > On Fri, 26 Mar 2021 at 04:59, Tom Rini <trini@konsulko.com> wrote:
> > > >
> > > > On Thu, Mar 25, 2021 at 01:39:28PM +1300, Simon Glass wrote:
> > > >
> > > > > This probably should have been done a while back since it is a core
> > > > > system. Add a migration deadline of later this year, to catch the
> > > > > stragglers.
> > > > >
> > > > > Signed-off-by: Simon Glass <sjg@chromium.org>
> > > >
> > > > What boards trigger this warning when done on top of say the
> > > > WIP/remove-non-AHCI_LIBATA-drivers branch I've pushed to my github or
> > > > WIP/make-DM_PCI-fatal which has more removals, but I need to cycle back
> > > > to and finish removing even more boards I suspect.
> > >
> > > With us/WIP/make-DM_PCI-fatal it looks like 250.
> >
> > Ugh.  Can you link me the CI run please?  I'm curious about which.
> 
> Sorry, I did it locally
> 
> https://pastebin.com/Wq8vgtSx

I'm having trouble with that, sorry.  It looks like it's complaining
about boards that with your series applied locally don't throw up a
warning about I2C (but do for DM_ETH, which already has a soon
deadline).

> > Then we can introduce this warning for v2021.04 (I'll grab it shortly)
> > and set the deadline of v2022.04 (a year of being loud) and hopefully
> > things are migrated / otherwise removed before v2024.04 and they get
> > nuked like we're starting with now on v2019.xx deadlines.
> 
> Do you mean 2022.04? My view has become that things that haven't been
> done probably won't be, so we should save ourselves the trouble and
> cost of maintaining the boards and just remove them now. For example,
> the Kconfig migration would be in much better shape (although I
> haven't analysed how much better).
> 
> Note I sent a series to clean up the warnings, plus add I2C and GPIO,
> so you should look at that instead of this patch.

Well, lets get some numbers on what boards throw this I2C warning first.
I did a quick merge of this series and pushed WIP/add-DM_I2C-warning
right now and I'm doing the before/after build now.

-- 
Tom
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