Justin Hibbits 69a277d98e powerpc: Enable the BUS_DMA_NOCACHE flag handling
The flag handling was committed commented out 7 years ago.  It works, and is
needed for LinuxKPI-based DRM drivers.

Also mark a local as potentially unusable, as it's only really used when KTR
is enabled.

Submitted by:	mmacy
2019-08-04 19:25:23 +00:00
..
2019-06-21 00:16:30 +00:00