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

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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.

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





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