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-rw-r--r--man/systemd.socket.xml14
1 files changed, 9 insertions, 5 deletions
diff --git a/man/systemd.socket.xml b/man/systemd.socket.xml
index 7f884aa1be..bb75b69cea 100644
--- a/man/systemd.socket.xml
+++ b/man/systemd.socket.xml
@@ -262,13 +262,17 @@
<varlistentry>
<term><varname>ListenUSBFunction=</varname></term>
- <listitem><para>Specifies a functionfs endpoint location
- to listen on. This expects an absolute file system path as
+ <listitem><para>Specifies a
+ <ulink url="https://www.kernel.org/doc/Documentation/usb/functionfs.txt">functionfs</ulink>
+ endpoint location to
+ listen on. This expects an absolute file system path as the
argument. Behavior otherwise is very similar to the
<varname>ListenFIFO=</varname> directive above. Use this to
- open functionfs endpoint ep0. When using this option, activated
- service has to have <varname>USBFunctionDescriptors</varname>
- and <varname>USBFunctionStrings</varname> options set.</para></listitem>
+ open functionfs endpoint <filename>ep0</filename>. When using
+ this option, activated service has to have the
+ <varname>USBFunctionDescriptors=</varname> and
+ <varname>USBFunctionStrings=</varname> options set.
+ </para></listitem>
</varlistentry>
<varlistentry>