[PATCH 0/2] powerpc: Remove support for ppc405/440 Xilinx platforms

[Arnd Bergmann]

On Fri, Mar 27, 2020 at 2:15 PM Andy Shevchenko
<andriy.shevchenko at linux.intel.com> wrote:
> On Fri, Mar 27, 2020 at 03:10:26PM +0200, Andy Shevchenko wrote:
> > On Fri, Mar 27, 2020 at 01:54:33PM +0100, Arnd Bergmann wrote:
> > > On Fri, Mar 27, 2020 at 1:12 PM Michal Simek <michal.simek at xilinx.com> wrote:
> > > >
> > > > recently we wanted to update xilinx intc driver and we found that function
> > > > which we wanted to remove is still wired by ancient Xilinx PowerPC
> > > > platforms. Here is the thread about it.
> > > > https://lore.kernel.org/linux-next/48d3232d-0f1d-42ea-3109-f44bbabfa2e8@xilinx.com/
> > > >
> > > > I have been talking about it internally and there is no interest in these
> > > > platforms and it is also orphan for quite a long time. None is really
> > > > running/testing these platforms regularly that's why I think it makes sense
> > > > to remove them also with drivers which are specific to this platform.
> > > >
> > > > U-Boot support was removed in 2017 without anybody complain about it
> > > > https://github.com/Xilinx/u-boot-xlnx/commit/98f705c9cefdfdba62c069821bbba10273a0a8ed
> > > >
> > > > Based on current ppc/next.
> > > >
> > > > If anyone has any objection about it, please let me know.
> > >
> > > Acked-by: Arnd Bergmann <arnd at arndb.de>
> > >
> > > This looks reasonable to me as well, in particular as the code only
> > > supports the two
> > > ppc44x virtex developer boards and no commercial products.
> > >
> > > It does raise a follow-up question about ppc40x though: is it time to
> > > retire all of it?
> >
> > Who knows?
> >
> > I have in possession nice WD My Book Live, based on this architecture, and I
> > won't it gone from modern kernel support. OTOH I understand that amount of real
> > users not too big.
>
> +Cc: Christian Lamparter, whom I owe for that WD box.

According to https://openwrt.org/toh/wd/mybooklive, that one is based on
APM82181/ppc464, so it is about several generations newer than what I
asked about (ppc40x).

> > Ah, and I have Amiga board, but that one is being used only for testing, so,
> > I don't care much.

I think there are a couple of ppc440 based Amiga boards, but again, not 405
to my knowledge.

      Arnd