svn commit: r301045 - head/sys/arm64/arm64

[Andrew Turner]

Author: andrew
Date: Tue May 31 16:28:56 2016
New Revision: 301045
URL: https://svnweb.freebsd.org/changeset/base/301045

Log:
  Enable setting BF_COHERENT on DMA tags. This allows the kernel to start
  using the cache handling functions.
  
  Obtained from:	ABT Systems Ltd
  Sponsored by:	The FreeBSD Foundation

Modified:
  head/sys/arm64/arm64/busdma_bounce.c

Modified: head/sys/arm64/arm64/busdma_bounce.c
==============================================================================
--- head/sys/arm64/arm64/busdma_bounce.c	Tue May 31 16:23:56 2016	(r301044)
+++ head/sys/arm64/arm64/busdma_bounce.c	Tue May 31 16:28:56 2016	(r301045)
@@ -184,10 +184,8 @@ bounce_bus_dma_tag_create(bus_dma_tag_t 
 	newtag->map_count = 0;
 	newtag->segments = NULL;
 
-#ifdef notyet
 	if ((flags & BUS_DMA_COHERENT) != 0)
 		newtag->bounce_flags |= BF_COHERENT;
-#endif
 
 	if (parent != NULL) {
 		if ((newtag->common.filter != NULL ||