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authorRandy Dunlap <randy.dunlap@oracle.com>2009-01-06 14:42:43 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2009-01-06 15:59:28 -0800
commit28f4d75a618e52f93d8e4a3e7bc66db8c882d679 (patch)
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parent58cc855c395fc22db996cc893134c4c690f0f0dc (diff)
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documentation: how to use DOC: section blocks
Add info on how to use DOC: sections in kernel-doc. DOC: sections enable the addition of inline source file comments that are general in nature instead of being specific to a function, struct, union, enum, or typedef. Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com> Cc: Johannes Berg <johannes@sipsolutions.net> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'Documentation/kernel-doc-nano-HOWTO.txt')
-rw-r--r--Documentation/kernel-doc-nano-HOWTO.txt29
1 files changed, 29 insertions, 0 deletions
diff --git a/Documentation/kernel-doc-nano-HOWTO.txt b/Documentation/kernel-doc-nano-HOWTO.txt
index 4115a4a80eb..d73fbd2b2b4 100644
--- a/Documentation/kernel-doc-nano-HOWTO.txt
+++ b/Documentation/kernel-doc-nano-HOWTO.txt
@@ -287,6 +287,32 @@ struct my_struct {
};
+Including documentation blocks in source files
+----------------------------------------------
+
+To facilitate having source code and comments close together, you can
+include kernel-doc documentation blocks that are free-form comments
+instead of being kernel-doc for functions, structures, unions,
+enums, or typedefs. This could be used for something like a
+theory of operation for a driver or library code, for example.
+
+This is done by using a DOC: section keyword with a section title. E.g.:
+
+/**
+ * DOC: Theory of Operation
+ *
+ * The whizbang foobar is a dilly of a gizmo. It can do whatever you
+ * want it to do, at any time. It reads your mind. Here's how it works.
+ *
+ * foo bar splat
+ *
+ * The only drawback to this gizmo is that is can sometimes damage
+ * hardware, software, or its subject(s).
+ */
+
+DOC: sections are used in SGML templates files as indicated below.
+
+
How to make new SGML template files
-----------------------------------
@@ -307,6 +333,9 @@ exported using EXPORT_SYMBOL.
!F<filename> <function [functions...]> is replaced by the
documentation, in <filename>, for the functions listed.
+!P<filename> <section title> is replaced by the contents of the DOC:
+section titled <section title> from <filename>.
+Spaces are allowed in <section title>; do not quote the <section title>.
Tim.
*/ <twaugh@redhat.com>