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Give a heads up about bus_dmatag_subregion()

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sevan 2017-01-02 03:12:49 +00:00
parent 5e3bbad550
commit 6a6f30abbb
1 changed files with 4 additions and 2 deletions
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6
share/man/man9/bus_dma.9
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@ -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