From: greg@kroah.com <greg@kroah.com>
Date: Thu, 25 Dec 2003 08:08:55 +0000 (-0800)
Subject: [PATCH] add documentation about the BUS key being optional for the CALLOUT rule.
X-Git-Tag: 011~5
X-Git-Url: https://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?p=elogind.git;a=commitdiff_plain;h=a38401d3e89f9e66039a9708fd0af33eefab7210

[PATCH] add documentation about the BUS key being optional for the CALLOUT rule.
---

diff --git a/udev.8 b/udev.8
index f2006c42d..0a0640ad8 100644
--- a/udev.8
+++ b/udev.8
@@ -106,7 +106,10 @@ The line format is:
 where valid methods with corresponding keys are:
 .TP
 .B CALLOUT
-calling external program, that returns a string to match
+calling external program, that returns a string to match.  The 
+.BR BUS 
+key is optional, but if specified, the sysfs device bus must be able to be
+detemined by a "device" symlink.
 .br
 .RB "keys: " BUS ", " PROGRAM ", " ID
 .TP