Re: [RFC PATCH 0/1] Categorize ARM dts directory

Dmitry Baryshkov
2023-05-03T12:14:02Z

On Wed, 3 May 2023 at 13:39, Arnd Bergmann <arnd@arndb.de> wrote:
>
> On Wed, May 3, 2023, at 03:17, Rob Herring wrote:
> > On Tue, May 2, 2023 at 5:52 PM Dmitry Baryshkov <dmitry.baryshkov@linaro.org> wrote:
> >> On 02/05/2023 22:40, Rob Herring wrote:
> >> > 'berlin' : 'berlin',
> >> > 'pxa2' : 'pxa',
> >> > 'pxa3' : 'pxa',
> >> > 'pxa' : 'marvell',
> >>
> >> I'd question if it makes sense to split the pxa line. Yes, it was sold
> >> by Intel to Marvell, but IIRC the devices still had some inheritance.
> >> So, if we have the 'pxa' subdir, I'd move Marvell PXAs to that dir too.
> >
> > I think I probably split it because it was different maintainers.
> > Though it doesn't look like pxa168 or pxa910 have any maintainer. They
> > are a mixture of pxa and mmp I think.
>
> I think the original split here is probably the best we can do,
> but there is no good way to do it because of the confusing naming
> and the problem that there is no clear line between pxa and mmp.
> As far as I can tell, the release timeline was:
>
> Intel pxa2xx (mach-pxa, xscale, still exists)
> Intel pxa3xx (mach-pxa, xscale, still exists)
> Intel pxa90x (never merged)
> Marvell pxa93x (mach-pxa, xscale, removed in Linux-6.3, no DT)
> Marvell pxa92x (never merged)
> Marvell pxa91x (mach-mmp, pj1, still exists)
> Marvell pxa168 (mach-mmp, pj1, still exists)
> Marvell pxa95x (mach-pxa, pj4, long gone)
> Marvell pxa688 (mach-mmp, pj4, known as mmp2)
>
> So with pxa93x out of the picture, we can simplify it as using
> 'pxa' as the name for all the above chips with an Intel XScale
> core, and 'marvell' for all the other ones that have a Marvell
> core and exist in mach-mmp.

Should it be 'intel' for pxa[23]xx then?

>
> Arnd

--
With best wishes
Dmitry