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

[Rob Herring]

On Thu, Jul 26, 2018 at 11:36 PM Michael Ellerman <mpe at ellerman.id.au> 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 When the OF code was originally made common by Grant in commit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 at 0" node with no
> device_type.
>
> That check was then made to only apply to PPC32 in b44aa25d20e2 ("of:
> Handle memory at 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.

Yay. I guess Power Macs and other quirks will never die...

I'll queue this up.

Rob