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

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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@xxxxxxxxxx> 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@xxxxxxxxxx/
> > >
> > > 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@xxxxxxxx>
> > 
> > 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.

> 
> Ah, and I have Amiga board, but that one is being used only for testing, so,
> I don't care much.
> 
> > The other ppc405 machines appear to have seen even fewer updates after the
> > OpenBlockS 600 got added in 2011, so it's possible nobody is using them any more
> > with modern kernels.
> > 
> > I see that OpenWRT removed both ppc40x and ppc44x exactly a year ago after
> > they had not been maintained for years.
> > 
> > However, 44x (in its ppc476 incarnation) is clearly still is used
> > through the fsp2 platform,
> > and can not be deprecated at least until that is known to have stopped
> > getting kernel
> > updates.
> > 
> >         Arnd
> 
> -- 
> With Best Regards,
> Andy Shevchenko
> 
> 

-- 
With Best Regards,
Andy Shevchenko


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