Re: [PATCH] of/fdt: Remove PPC32 longtrail hack in memory scan

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Hi Michael,

On Fri, Jul 27, 2018 at 7:36 AM Michael Ellerman <mpe@xxxxxxxxxxxxxx> wrote:
> When the OF code was originally made common by Grant in commit
> 51975db0b733 ("of/flattree: merge early_init_dt_scan_memory() common
> code") (Feb 2010), the common code inherited a hack to handle
> PPC "longtrail" machines, which had a "memory@0" node with no
> device_type.
>
> That check was then made to only apply to PPC32 in b44aa25d20e2 ("of:
> Handle memory@0 node on PPC32 only") (May 2014).
>
> But according to Paul Mackerras the "longtrail" machines are long
> dead, if they were ever seen in the wild at all. If someone does still
> have one, we can handle this firmware wart in powerpc platform code.
>
> So remove the hack once and for all.
>
> Signed-off-by: Michael Ellerman <mpe@xxxxxxxxxxxxxx>

Thanks for your patch!

My LongTrail died in 2004.  I haven't heard since even longer about active
use from any of the other people I know that had one.

So:

Acked-by: Geert Uytterhoeven <geert@xxxxxxxxxxxxxx>

However, recently Dominik (CC) send me an enquiry about it, so perhaps
he is a happy user?

Gr{oetje,eeting}s,

                        Geert

--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@xxxxxxxxxxxxxx

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
                                -- Linus Torvalds
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