DT include files (was: [GIT PULL 2/2] ARM: imx: device tree changes for 3.14)

[Shawn Guo]

On Sat, Jan 04, 2014 at 09:10:58AM +0800, Shawn Guo wrote:
> On Fri, Jan 03, 2014 at 11:29:35AM -0800, Olof Johansson wrote:
> > On Thu, Jan 2, 2014 at 7:04 PM, Shawn Guo <shawn.guo at linaro.org> wrote:
> > > On Thu, Jan 02, 2014 at 06:41:30PM -0800, Olof Johansson wrote:
> > >> Ok, then it's probably just the location of the header files that
> > >> should be adjusted. Other subsystems have placed them under
> > >> include/dt-bindings/<subsystem>, so that's likely a better place for
> > >> these as well, don't you think?
> > >
> > > I had a little discussion with DT people when the headers were firstly
> > > created.  These pinctrl headers are a little different from the headers
> > > in include/dt-bindings/<subsystem>.  The latter are used by both kernel
> > > and device tree sources, while the pinctrl headers are used by device
> > > tree sources only, so I chose to put them just in the same folder as
> > > dts files.  And DT people are fine with my take.
> > 
> > Since you don't provide references to this I had to go searching for
> > it. All I find is some discussion from 8 months ago, and quite a bit
> > of that seems to have been about changing bindings, and some about the
> > preprocessor behavior. Also, the patches seem to have been too big to
> > make it out on the lists.
> > 
> > I'd like a fresh look from DT people on this just to make sure no
> > opinions have changed -- lots of things have changed in the last 8
> > months w.r.t. DT.
> 
> Indeed, it's been quite a long time.  Let me restate my point.  The
> include/dt-bindings is introduced as a folder to hold headers that are
> referenced by both kernel and DTS.  That's why we create the folder in
> the kernel include folder and have arch/arm/boot/dts/include/dt-bindings
> being a symbol link to it.  All the headers in there need to be
> duplicated between kernel and DTS tree, when we move DTS files into
> a separated repository.  Putting DTS local headers into the folder is
> absolutely unnecessary, and will only confuse people and bother
> ourselves when moving DTS files out of kernel tree.

Just a gentle ping to ensure we do not get the pull request lost.  Or do
you have any further comment?

Shawn