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| author | weongyo <weongyo@FreeBSD.org> | 2010-09-06 22:10:57 +0000 |
|---|---|---|
| committer | weongyo <weongyo@FreeBSD.org> | 2010-09-06 22:10:57 +0000 |
| commit | 3c24ee50ce3049da063cfc3ef14e27b9327b3430 (patch) | |
| tree | 1f8229687d5cb0d44138969740610d2948640b8d /share/man/man4/bwn.4 | |
| parent | c90de3653883c7ac1a620f780f37b03a12c98413 (diff) | |
| download | FreeBSD-src-3c24ee50ce3049da063cfc3ef14e27b9327b3430.zip FreeBSD-src-3c24ee50ce3049da063cfc3ef14e27b9327b3430.tar.gz | |
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>
Diffstat (limited to 'share/man/man4/bwn.4')
| -rw-r--r-- | share/man/man4/bwn.4 | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/share/man/man4/bwn.4 b/share/man/man4/bwn.4 index 9094fa0..622e3f5 100644 --- a/share/man/man4/bwn.4 +++ b/share/man/man4/bwn.4 @@ -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 |
