Re: [PATCH v2] i2c: Remove '-Wno-deprecated-declarations' compiler warning

[Benjamin Herrenschmidt <benh@kernel.crashing.org>]

On Sun, 2018-08-19 at 09:46 -0700, Linus Torvalds wrote:
> On Sun, Aug 19, 2018 at 6:51 AM Sedat Dilek <sedat.dilek@credativ.de> wrote:
> > 
> > This can be dropped with commit 771c035372a036f83353eef46dbb829780330234
> > ("deprecate the '__deprecated' attribute warnings entirely and for good")
> > now in upstream.
> 
> Could we please just remove the __deprecated use in i2c entirely?
> 
> As fat as I can tell, it's used for one thing, which is the
> "attach_adapter" function pointer member in 'struct i2c_driver'.
> 
> And I think there is _one_ remaining driver using it, namely the
> powermac "therm_windtunnel" driver.
> 
> Could somebody who knows the i2c probing just a bit convert that *one*
> remaining driver, then remove the "attach_adapter" entirely, and also
> remove this thing?
> 
> Alternatively, perhaps the driver should be removed? The last actual
> powermac change to that driver seems to be from August 2009.
> Everything since has been just cleanup unrelated to that driver code
> itself (ie spelling fixes, automated coccinelle scripts etc).
> 
> Added a few people either because they're still officially maintainers
> of that file, or because they touched the code ten years ago.

Some people still use those old machines, I'll give a try at fixing the
driver.

Paul: Do you still have one of these machines ?

Cheers
Ben.