[PATCH 1/2] docs: module: start adding some docs for MODULE_ macros.

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From: Dave Airlie <airlied@xxxxxxxxxx>

In order to add a new macro, Luis suggested converting some docs
for the new ones.

This tries to keep exisiting module_init, module_exit where they are,
and adds the new docs to the module section.

Cc: linux-doc@xxxxxxxxxxxxxxx
Cc: Jonathan Corbet <corbet@xxxxxxx>
Cc: Luis Chamberlain <mcgrof@xxxxxxxxxx>
Cc: linux-modules@xxxxxxxxxxxxxxx
Signed-off-by: Dave Airlie <airlied@xxxxxxxxxx>
---
 Documentation/core-api/kernel-api.rst |  3 ++
 Documentation/driver-api/basics.rst   |  2 +-
 include/linux/module.h                | 76 ++++++++++++++++++---------
 3 files changed, 54 insertions(+), 27 deletions(-)

diff --git a/Documentation/core-api/kernel-api.rst b/Documentation/core-api/kernel-api.rst
index 62f961610773..0b78b1a3e8a2 100644
--- a/Documentation/core-api/kernel-api.rst
+++ b/Documentation/core-api/kernel-api.rst
@@ -226,6 +226,9 @@ Module Loading
 .. kernel-doc:: kernel/kmod.c
    :export:
 
+.. kernel-doc:: include/linux/module.h
+   :no-identifiers: module_init module_exit klp_modinfo
+
 Inter Module support
 --------------------
 
diff --git a/Documentation/driver-api/basics.rst b/Documentation/driver-api/basics.rst
index 4b4d8e28d3be..fea42d6cad80 100644
--- a/Documentation/driver-api/basics.rst
+++ b/Documentation/driver-api/basics.rst
@@ -5,7 +5,7 @@ Driver Entry and Exit points
 ----------------------------
 
 .. kernel-doc:: include/linux/module.h
-   :internal:
+   :identifiers: module_init module_exit
 
 Driver device table
 -------------------
diff --git a/include/linux/module.h b/include/linux/module.h
index 4435ad9439ab..f9d072a7e198 100644
--- a/include/linux/module.h
+++ b/include/linux/module.h
@@ -182,23 +182,27 @@ extern void cleanup_module(void);
 #define MODULE_FILE	MODULE_INFO(file, KBUILD_MODFILE);
 #endif
 
-/*
+/**
+ * MODULE_LICENSE - module license
+ * @_license: license covering this module.
+ *
  * The following license idents are currently accepted as indicating free
  * software modules
  *
- *	"GPL"				[GNU Public License v2]
- *	"GPL v2"			[GNU Public License v2]
- *	"GPL and additional rights"	[GNU Public License v2 rights and more]
- *	"Dual BSD/GPL"			[GNU Public License v2
- *					 or BSD license choice]
- *	"Dual MIT/GPL"			[GNU Public License v2
- *					 or MIT license choice]
- *	"Dual MPL/GPL"			[GNU Public License v2
- *					 or Mozilla license choice]
+ *    "GPL"                        [GNU Public License v2]
  *
- * The following other idents are available
+ *    "GPL v2"                     [GNU Public License v2]
  *
- *	"Proprietary"			[Non free products]
+ *    "GPL and additional rights"  [GNU Public License v2 rights and more]
+ *
+ *    "Dual BSD/GPL"               [GNU Public License v2 or BSD license choice]
+ *
+ *    "Dual MIT/GPL"               [GNU Public License v2 or MIT license choice]
+ *
+ *    "Dual MPL/GPL"               [GNU Public License v2 or Mozilla license choice]
+ *
+ * The following other idents are available
+ *    "Proprietary"                [Non free products]
  *
  * Both "GPL v2" and "GPL" (the latter also in dual licensed strings) are
  * merely stating that the module is licensed under the GPL v2, but are not
@@ -221,20 +225,26 @@ extern void cleanup_module(void);
  * is a GPL combined work.
  *
  * This exists for several reasons
- * 1.	So modinfo can show license info for users wanting to vet their setup
- *	is free
+ *
+ * 1.	So modinfo can show license info for users wanting to vet their setup is free
+ *
  * 2.	So the community can ignore bug reports including proprietary modules
+ *
  * 3.	So vendors can do likewise based on their own policies
  */
 #define MODULE_LICENSE(_license) MODULE_FILE MODULE_INFO(license, _license)
 
-/*
- * Author(s), use "Name <email>" or just "Name", for multiple
- * authors use multiple MODULE_AUTHOR() statements/lines.
+/**
+ * MODULE_AUTHOR - Module author
+ * @_author: Author(s), use "Name <email>" or just "Name", for multiple
+ *           authors use multiple MODULE_AUTHOR() statements/lines.
  */
 #define MODULE_AUTHOR(_author) MODULE_INFO(author, _author)
 
-/* What your module does. */
+/**
+ * MODULE_DESCRIPTION - Module description
+ * @_description: What your module does.
+ */
 #define MODULE_DESCRIPTION(_description) MODULE_INFO(description, _description)
 
 #ifdef MODULE
@@ -246,19 +256,23 @@ extern typeof(name) __mod_##type##__##name##_device_table		\
 #define MODULE_DEVICE_TABLE(type, name)
 #endif
 
-/* Version of form [<epoch>:]<version>[-<extra-version>].
+/**
+ * MODULE_VERSION: version of module
+ * @_version: version in the form below
+ *
+ * Version of form [<epoch>:]<version>[-<extra-version>].
  * Or for CVS/RCS ID version, everything but the number is stripped.
  * <epoch>: A (small) unsigned integer which allows you to start versions
  * anew. If not mentioned, it's zero.  eg. "2:1.0" is after
  * "1:2.0".
-
+ *
  * <version>: The <version> may contain only alphanumerics and the
- * character `.'.  Ordered by numeric sort for numeric parts,
+ * character '.'.  Ordered by numeric sort for numeric parts,
  * ascii sort for ascii parts (as per RPM or DEB algorithm).
-
+ *
  * <extraversion>: Like <version>, but inserted for local
  * customizations, eg "rh3" or "rusty1".
-
+ *
  * Using this automatically adds a checksum of the .c files and the
  * local headers in "srcversion".
  */
@@ -284,11 +298,21 @@ extern typeof(name) __mod_##type##__##name##_device_table		\
 		}
 #endif
 
-/* Optional firmware file (or files) needed by the module
- * format is simply firmware file name.  Multiple firmware
- * files require multiple MODULE_FIRMWARE() specifiers */
+/**
+ * MODULE_FIRMWARE - Optional firmware files needed by the module
+ * @_firmware: firmware file name
+ *
+ * Multiple firmware files require multiple MODULE_FIRMWARE() specifiers.
+ */
 #define MODULE_FIRMWARE(_firmware) MODULE_INFO(firmware, _firmware)
 
+/**
+ * MODULE_IMPORT_NS - Set the symbol namespace for the module.
+ * @ns: symbol namespace to import the module into.
+ *
+ * This adds a modinfo tag 'import_ns' to the module. This is observed
+ * by userspace at module loading time.
+ */
 #define MODULE_IMPORT_NS(ns)	MODULE_INFO(import_ns, __stringify(ns))
 
 struct notifier_block;
-- 
2.39.2




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