diff options
author | Jason McIntyre <jmc@cvs.openbsd.org> | 2015-01-24 19:20:27 +0000 |
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committer | Jason McIntyre <jmc@cvs.openbsd.org> | 2015-01-24 19:20:27 +0000 |
commit | 1a71eb760084abd0246510c6b432ecd6d875008b (patch) | |
tree | dc5301c710edcaae26a8d5fefb7aae3df46d9b8b | |
parent | d01f15749315bcd9f403321cbfa7bf593f307255 (diff) |
tweak previous;
-rw-r--r-- | share/man/man9/bus_dma.9 | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/share/man/man9/bus_dma.9 b/share/man/man9/bus_dma.9 index 759de6d8d86..03b368c47af 100644 --- a/share/man/man9/bus_dma.9 +++ b/share/man/man9/bus_dma.9 @@ -1,4 +1,4 @@ -.\" $OpenBSD: bus_dma.9,v 1.33 2015/01/24 16:06:46 kettenis Exp $ +.\" $OpenBSD: bus_dma.9,v 1.34 2015/01/24 19:20:26 jmc Exp $ .\" $NetBSD: bus_dma.9,v 1.14 2000/06/14 06:49:19 cgd Exp $ .\" .\" Copyright (c) 1996, 1997, 1998 The NetBSD Foundation, Inc. @@ -655,14 +655,15 @@ The function is a variaton of .Fn bus_dmamem_alloc that allows specification of the "DMA safe" bus address range -supported by the device. The additional +supported by the device. +The additional .Fa low and .Fa high arguments specify the lowest and highest bus address that the device can use for DMA transfers. This function should only be used if that address range differs from -the the default address range for the bus. +the default address range for the bus. .Pp All pages allocated by .Fn bus_dmamem_alloc |