[PATCH] devicetree: Remove remaining references/tests for "chosen at 0"

[Benjamin Herrenschmidt]

On Sun, 2017-09-03 at 06:43 -0400, Robert P. J. Day wrote:
>   however, given the diff stat of the change to remove every single
> reference to that node name in the current kernel source:
> 
>  arch/microblaze/kernel/prom.c | 3 +--
>  arch/mips/generic/yamon-dt.c  | 4 ----
>  arch/powerpc/boot/oflib.c     | 7 ++-----
>  drivers/of/base.c             | 2 --
>  drivers/of/fdt.c              | 5 +----
>  5 files changed, 4 insertions(+), 17 deletions(-)
> 
> it seems inconsistent that three architectures would be testing for
> that node, but none of the rest. consistency suggests that every
> architecture should take it into account, or none should.
> 
>   anyway, not a big deal, i'm fine with any decision.

powerpc is the only one of the 3 who has an actual open firmware
implementation afaik.

In any case, I think you can probably remove from microblaze and
possibly mips but I'm a bit worried about the generic case and powerpc
boot.

Cheers,
Ben.