Date: Mon, 6 Sep 2010 22:10:57 +0000 (UTC) From: Weongyo Jeong <weongyo@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r212271 - head/share/man/man4 Message-ID: <201009062210.o86MAvxg067691@svn.freebsd.org>
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Author: weongyo Date: Mon Sep 6 22:10:57 2010 New Revision: 212271 URL: http://svn.freebsd.org/changeset/base/212271 Log: Adds a CAVEATS section to mention DMA issues that currently only a solution is using PIO mode. As fas as I know all open source based broadcom drivers for specially LP PHY has this issue because it's a reverse engineered driver from wl(4). Pointed by: Warren Block <wblock at wonkity.com> Modified: head/share/man/man4/bwn.4 Modified: head/share/man/man4/bwn.4 ============================================================================== --- head/share/man/man4/bwn.4 Mon Sep 6 22:02:08 2010 (r212270) +++ head/share/man/man4/bwn.4 Mon Sep 6 22:10:57 2010 (r212271) @@ -125,6 +125,9 @@ The .Nm driver first appeared in .Fx 8.1 . +.Sh CAVEATS +Some LP PHY devices have DMA operation problems that in that case try to +use PIO mode. .Sh AUTHORS .An -nosplit The
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