powerpc: Revert support for ibm,drc-info devtree property

[Michael Ellerman]

On Tue, 2018-02-13 at 20:02:53 UTC, Michael Bringmann wrote:
> This reverts commit 02ef6dd8109b581343ebeb1c4c973513682535d6.
> 
> The earlier patch tried to enable support for a new property
> "ibm,drc-info" on powerpc systems.
> 
> Unfortunately, some errors in the associated patch set break things
> in some of the DLPAR operations.  In particular when attempting to
> hot-add a new CPU or set of CPUs, the original patch failed to
> properly calculate the available resources, and aborted the operation.
> In addition, the original set missed several opportunities to compress
> and reuse common code.
> 
> As the associated patch set was meant to provide an optimization of
> storage and performance of a set of device-tree properties for future
> systems with large amounts of resources, reverting just restores
> the previous behavior for existing systems.  It seems unnecessary
> to enable this feature and introduce the consequent problems in the
> field that it will cause at this time, so please revert it for now
> until testing of the corrections are finished properly.
> 
> Signed-off-by: Michael W. Bringmann <mwb at linux.vnet.ibm.com>

Applied to powerpc fixes, thanks.

https://git.kernel.org/powerpc/c/c7a3275e0f9e461bb8942132aa6914

cheers