K 10
svn:author
V 3
jhb
K 8
svn:date
V 27
2014-06-12T11:15:19.302105Z
K 7
svn:log
V 271
- Don't compare bus_dma map pointers for static DMA allocations against
  NULL to determine if bus_dmamap_unload() or bus_dmamem_free() should be
  called.  Instead, check the associated bus and virtual addresses.
- Don't clear static DMA maps to NULL.

Reviewed by:	jfv

END