Module Name: src
Committed By: sevan
Date: Mon Jan 2 03:12:49 UTC 2017
Modified Files:
src/share/man/man9: bus_dma.9
Log Message:
Give a heads up about bus_dmatag_subregion()
To generate a diff of this commit:
cvs rdiff -u -r1.61 -r1.62 src/share/man/man9/bus_dma.9
Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.
Modified files:
Index: src/share/man/man9/bus_dma.9
diff -u src/share/man/man9/bus_dma.9:1.61 src/share/man/man9/bus_dma.9:1.62
--- src/share/man/man9/bus_dma.9:1.61 Wed Jun 1 08:17:47 2016
+++ src/share/man/man9/bus_dma.9 Mon Jan 2 03:12:49 2017
@@ -1,4 +1,4 @@
-.\" $NetBSD: bus_dma.9,v 1.61 2016/06/01 08:17:47 wiz Exp $
+.\" $NetBSD: bus_dma.9,v 1.62 2017/01/02 03:12:49 sevan 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 June 1, 2016
+.Dd January 2, 2017
.Dt BUS_DMA 9
.Os
.Sh NAME
@@ -798,6 +798,8 @@ Given a bus_dma_tag_t
create a new bus_dma_tag_t with a limited bus address space.
This function should not normally be used, but is useful for devices
that do not support the full address space of the parent bus.
+Not all ports implement this method; on ports where it is unavailable,
+EOPNOTSUPP is returned.
The arguments are as follows:
.Bl -tag -width max_addr -compact
.It Fa tag
