[src/trunk]: src/share/man/man9 Add a note about bus_dmatag_subregion [min_ad...

[skrll <skrll%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/7fdc2a5c2e80
branches:  trunk
changeset: 359784:7fdc2a5c2e80
user:      skrll <skrll%NetBSD.org@localhost>
date:      Sat Jan 22 15:16:37 2022 +0000

description:
Add a note about bus_dmatag_subregion [min_addr, max_addr]

diffstat:

 share/man/man9/bus_dma.9 |  9 +++++++--
 1 files changed, 7 insertions(+), 2 deletions(-)

diffs (30 lines):

diff -r ac305539c30f -r 7fdc2a5c2e80 share/man/man9/bus_dma.9
--- a/share/man/man9/bus_dma.9  Sat Jan 22 15:10:30 2022 +0000
+++ b/share/man/man9/bus_dma.9  Sat Jan 22 15:16:37 2022 +0000
@@ -1,4 +1,4 @@
-.\" $NetBSD: bus_dma.9,v 1.66 2018/08/20 14:23:27 riastradh Exp $
+.\" $NetBSD: bus_dma.9,v 1.67 2022/01/22 15:16:37 skrll Exp $
 .\"
 .\" Copyright (c) 1996, 1997, 1998, 2001, 2005, 2006 The NetBSD Foundation, Inc.
 .\" All rights reserved.
@@ -28,7 +28,7 @@
 .\" ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 .\" POSSIBILITY OF SUCH DAMAGE.
 .\"
-.Dd January 2, 2017
+.Dd January 22, 2022
 .Dt BUS_DMA 9
 .Os
 .Sh NAME
@@ -822,6 +822,11 @@
 It is not safe to wait (sleep) for resources during this call.
 .El
 .El
+The address range
+.Fa min_addr
+to
+.Fa max_addr
+is inclusive of both addresses.
 .It Fn bus_dmatag_destroy "tag"
 Free a tag created by
 .Fn bus_dmatag_subregion .