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openwrt_NSS_ACW/target/linux/generic/backport-5.10/732-v5.13-0005-of-Fix-kerneldoc-output-formatting.patch
Rafał Miłecki 11759a5bf3 kernel: backport of changes & helpers 
This code is required for upcoming NVMEM changes.

Signed-off-by: Rafał Miłecki <rafal@milecki.pl>
2023-01-07 17:45:17 +01:00

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From 62f026f082e4d762a47b43ea693b38f025122332 Mon Sep 17 00:00:00 2001
From: Rob Herring <robh@kernel.org>
Date: Fri, 26 Mar 2021 13:26:06 -0600
Subject: [PATCH] of: Fix kerneldoc output formatting
The indentation of the kerneldoc comments affects the output formatting.
Leading tabs in particular don't work, sections need to be indented
under the section header, and several code blocks are reformatted.
Cc: Frank Rowand <frowand.list@gmail.com>
Cc: Mauro Carvalho Chehab <mchehab@kernel.org>
Signed-off-by: Rob Herring <robh@kernel.org>
Reviewed-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Link: https://lore.kernel.org/r/20210326192606.3702739-1-robh@kernel.org
---
drivers/of/base.c | 275 +++++++++++++++++++++++-----------------------
drivers/of/fdt.c | 9 +-
2 files changed, 141 insertions(+), 143 deletions(-)
--- a/drivers/of/base.c
+++ b/drivers/of/base.c
@@ -651,11 +651,11 @@ bool of_device_is_big_endian(const struc
EXPORT_SYMBOL(of_device_is_big_endian);
/**
- * of_get_parent - Get a node's parent if any
- * @node: Node to get parent
+ * of_get_parent - Get a node's parent if any
+ * @node: Node to get parent
*
- * Returns a node pointer with refcount incremented, use
- * of_node_put() on it when done.
+ * Return: A node pointer with refcount incremented, use
+ * of_node_put() on it when done.
*/
struct device_node *of_get_parent(const struct device_node *node)
{
@@ -673,15 +673,15 @@ struct device_node *of_get_parent(const
EXPORT_SYMBOL(of_get_parent);
/**
- * of_get_next_parent - Iterate to a node's parent
- * @node: Node to get parent of
+ * of_get_next_parent - Iterate to a node's parent
+ * @node: Node to get parent of
*
- * This is like of_get_parent() except that it drops the
- * refcount on the passed node, making it suitable for iterating
- * through a node's parents.
+ * This is like of_get_parent() except that it drops the
+ * refcount on the passed node, making it suitable for iterating
+ * through a node's parents.
*
- * Returns a node pointer with refcount incremented, use
- * of_node_put() on it when done.
+ * Return: A node pointer with refcount incremented, use
+ * of_node_put() on it when done.
*/
struct device_node *of_get_next_parent(struct device_node *node)
{
@@ -719,13 +719,13 @@ static struct device_node *__of_get_next
child = __of_get_next_child(parent, child))
/**
- * of_get_next_child - Iterate a node childs
- * @node: parent node
- * @prev: previous child of the parent node, or NULL to get first
- *
- * Returns a node pointer with refcount incremented, use of_node_put() on
- * it when done. Returns NULL when prev is the last child. Decrements the
- * refcount of prev.
+ * of_get_next_child - Iterate a node childs
+ * @node: parent node
+ * @prev: previous child of the parent node, or NULL to get first
+ *
+ * Return: A node pointer with refcount incremented, use of_node_put() on
+ * it when done. Returns NULL when prev is the last child. Decrements the
+ * refcount of prev.
*/
struct device_node *of_get_next_child(const struct device_node *node,
struct device_node *prev)
@@ -741,12 +741,12 @@ struct device_node *of_get_next_child(co
EXPORT_SYMBOL(of_get_next_child);
/**
- * of_get_next_available_child - Find the next available child node
- * @node: parent node
- * @prev: previous child of the parent node, or NULL to get first
+ * of_get_next_available_child - Find the next available child node
+ * @node: parent node
+ * @prev: previous child of the parent node, or NULL to get first
*
- * This function is like of_get_next_child(), except that it
- * automatically skips any disabled nodes (i.e. status = "disabled").
+ * This function is like of_get_next_child(), except that it
+ * automatically skips any disabled nodes (i.e. status = "disabled").
*/
struct device_node *of_get_next_available_child(const struct device_node *node,
struct device_node *prev)
@@ -772,12 +772,12 @@ struct device_node *of_get_next_availabl
EXPORT_SYMBOL(of_get_next_available_child);
/**
- * of_get_next_cpu_node - Iterate on cpu nodes
- * @prev: previous child of the /cpus node, or NULL to get first
+ * of_get_next_cpu_node - Iterate on cpu nodes
+ * @prev: previous child of the /cpus node, or NULL to get first
*
- * Returns a cpu node pointer with refcount incremented, use of_node_put()
- * on it when done. Returns NULL when prev is the last child. Decrements
- * the refcount of prev.
+ * Return: A cpu node pointer with refcount incremented, use of_node_put()
+ * on it when done. Returns NULL when prev is the last child. Decrements
+ * the refcount of prev.
*/
struct device_node *of_get_next_cpu_node(struct device_node *prev)
{
@@ -834,15 +834,15 @@ struct device_node *of_get_compatible_ch
EXPORT_SYMBOL(of_get_compatible_child);
/**
- * of_get_child_by_name - Find the child node by name for a given parent
- * @node: parent node
- * @name: child name to look for.
- *
- * This function looks for child node for given matching name
- *
- * Returns a node pointer if found, with refcount incremented, use
- * of_node_put() on it when done.
- * Returns NULL if node is not found.
+ * of_get_child_by_name - Find the child node by name for a given parent
+ * @node: parent node
+ * @name: child name to look for.
+ *
+ * This function looks for child node for given matching name
+ *
+ * Return: A node pointer if found, with refcount incremented, use
+ * of_node_put() on it when done.
+ * Returns NULL if node is not found.
*/
struct device_node *of_get_child_by_name(const struct device_node *node,
const char *name)
@@ -893,22 +893,22 @@ struct device_node *__of_find_node_by_fu
}
/**
- * of_find_node_opts_by_path - Find a node matching a full OF path
- * @path: Either the full path to match, or if the path does not
- * start with '/', the name of a property of the /aliases
- * node (an alias). In the case of an alias, the node
- * matching the alias' value will be returned.
- * @opts: Address of a pointer into which to store the start of
- * an options string appended to the end of the path with
- * a ':' separator.
- *
- * Valid paths:
- * /foo/bar Full path
- * foo Valid alias
- * foo/bar Valid alias + relative path
+ * of_find_node_opts_by_path - Find a node matching a full OF path
+ * @path: Either the full path to match, or if the path does not
+ * start with '/', the name of a property of the /aliases
+ * node (an alias). In the case of an alias, the node
+ * matching the alias' value will be returned.
+ * @opts: Address of a pointer into which to store the start of
+ * an options string appended to the end of the path with
+ * a ':' separator.
+ *
+ * Valid paths:
+ * * /foo/bar Full path
+ * * foo Valid alias
+ * * foo/bar Valid alias + relative path
*
- * Returns a node pointer with refcount incremented, use
- * of_node_put() on it when done.
+ * Return: A node pointer with refcount incremented, use
+ * of_node_put() on it when done.
*/
struct device_node *of_find_node_opts_by_path(const char *path, const char **opts)
{
@@ -958,15 +958,15 @@ struct device_node *of_find_node_opts_by
EXPORT_SYMBOL(of_find_node_opts_by_path);
/**
- * of_find_node_by_name - Find a node by its "name" property
- * @from: The node to start searching from or NULL; the node
+ * of_find_node_by_name - Find a node by its "name" property
+ * @from: The node to start searching from or NULL; the node
* you pass will not be searched, only the next one
* will. Typically, you pass what the previous call
* returned. of_node_put() will be called on @from.
- * @name: The name string to match against
+ * @name: The name string to match against
*
- * Returns a node pointer with refcount incremented, use
- * of_node_put() on it when done.
+ * Return: A node pointer with refcount incremented, use
+ * of_node_put() on it when done.
*/
struct device_node *of_find_node_by_name(struct device_node *from,
const char *name)
@@ -985,16 +985,16 @@ struct device_node *of_find_node_by_name
EXPORT_SYMBOL(of_find_node_by_name);
/**
- * of_find_node_by_type - Find a node by its "device_type" property
- * @from: The node to start searching from, or NULL to start searching
+ * of_find_node_by_type - Find a node by its "device_type" property
+ * @from: The node to start searching from, or NULL to start searching
* the entire device tree. The node you pass will not be
* searched, only the next one will; typically, you pass
* what the previous call returned. of_node_put() will be
* called on from for you.
- * @type: The type string to match against
+ * @type: The type string to match against
*
- * Returns a node pointer with refcount incremented, use
- * of_node_put() on it when done.
+ * Return: A node pointer with refcount incremented, use
+ * of_node_put() on it when done.
*/
struct device_node *of_find_node_by_type(struct device_node *from,
const char *type)
@@ -1013,18 +1013,18 @@ struct device_node *of_find_node_by_type
EXPORT_SYMBOL(of_find_node_by_type);
/**
- * of_find_compatible_node - Find a node based on type and one of the
+ * of_find_compatible_node - Find a node based on type and one of the
* tokens in its "compatible" property
- * @from: The node to start searching from or NULL, the node
- * you pass will not be searched, only the next one
- * will; typically, you pass what the previous call
- * returned. of_node_put() will be called on it
- * @type: The type string to match "device_type" or NULL to ignore
- * @compatible: The string to match to one of the tokens in the device
- * "compatible" list.
+ * @from: The node to start searching from or NULL, the node
+ * you pass will not be searched, only the next one
+ * will; typically, you pass what the previous call
+ * returned. of_node_put() will be called on it
+ * @type: The type string to match "device_type" or NULL to ignore
+ * @compatible: The string to match to one of the tokens in the device
+ * "compatible" list.
*
- * Returns a node pointer with refcount incremented, use
- * of_node_put() on it when done.
+ * Return: A node pointer with refcount incremented, use
+ * of_node_put() on it when done.
*/
struct device_node *of_find_compatible_node(struct device_node *from,
const char *type, const char *compatible)
@@ -1044,16 +1044,16 @@ struct device_node *of_find_compatible_n
EXPORT_SYMBOL(of_find_compatible_node);
/**
- * of_find_node_with_property - Find a node which has a property with
- * the given name.
- * @from: The node to start searching from or NULL, the node
- * you pass will not be searched, only the next one
- * will; typically, you pass what the previous call
- * returned. of_node_put() will be called on it
- * @prop_name: The name of the property to look for.
+ * of_find_node_with_property - Find a node which has a property with
+ * the given name.
+ * @from: The node to start searching from or NULL, the node
+ * you pass will not be searched, only the next one
+ * will; typically, you pass what the previous call
+ * returned. of_node_put() will be called on it
+ * @prop_name: The name of the property to look for.
*
- * Returns a node pointer with refcount incremented, use
- * of_node_put() on it when done.
+ * Return: A node pointer with refcount incremented, use
+ * of_node_put() on it when done.
*/
struct device_node *of_find_node_with_property(struct device_node *from,
const char *prop_name)
@@ -1102,10 +1102,10 @@ const struct of_device_id *__of_match_no
/**
* of_match_node - Tell if a device_node has a matching of_match structure
- * @matches: array of of device match structures to search in
- * @node: the of device structure to match against
+ * @matches: array of of device match structures to search in
+ * @node: the of device structure to match against
*
- * Low level utility function used by device matching.
+ * Low level utility function used by device matching.
*/
const struct of_device_id *of_match_node(const struct of_device_id *matches,
const struct device_node *node)
@@ -1121,17 +1121,17 @@ const struct of_device_id *of_match_node
EXPORT_SYMBOL(of_match_node);
/**
- * of_find_matching_node_and_match - Find a node based on an of_device_id
- * match table.
- * @from: The node to start searching from or NULL, the node
- * you pass will not be searched, only the next one
- * will; typically, you pass what the previous call
- * returned. of_node_put() will be called on it
- * @matches: array of of device match structures to search in
- * @match: Updated to point at the matches entry which matched
+ * of_find_matching_node_and_match - Find a node based on an of_device_id
+ * match table.
+ * @from: The node to start searching from or NULL, the node
+ * you pass will not be searched, only the next one
+ * will; typically, you pass what the previous call
+ * returned. of_node_put() will be called on it
+ * @matches: array of of device match structures to search in
+ * @match: Updated to point at the matches entry which matched
*
- * Returns a node pointer with refcount incremented, use
- * of_node_put() on it when done.
+ * Return: A node pointer with refcount incremented, use
+ * of_node_put() on it when done.
*/
struct device_node *of_find_matching_node_and_match(struct device_node *from,
const struct of_device_id *matches,
@@ -1465,21 +1465,21 @@ EXPORT_SYMBOL(of_parse_phandle);
* Caller is responsible to call of_node_put() on the returned out_args->np
* pointer.
*
- * Example:
+ * Example::
*
- * phandle1: node1 {
+ * phandle1: node1 {
* #list-cells = <2>;
- * }
+ * };
*
- * phandle2: node2 {
+ * phandle2: node2 {
* #list-cells = <1>;
- * }
+ * };
*
- * node3 {
+ * node3 {
* list = <&phandle1 1 2 &phandle2 3>;
- * }
+ * };
*
- * To get a device_node of the `node2' node you may call this:
+ * To get a device_node of the ``node2`` node you may call this:
* of_parse_phandle_with_args(node3, "list", "#list-cells", 1, &args);
*/
int of_parse_phandle_with_args(const struct device_node *np, const char *list_name,
@@ -1517,29 +1517,29 @@ EXPORT_SYMBOL(of_parse_phandle_with_args
* Caller is responsible to call of_node_put() on the returned out_args->np
* pointer.
*
- * Example:
- *
- * phandle1: node1 {
- * #list-cells = <2>;
- * }
- *
- * phandle2: node2 {
- * #list-cells = <1>;
- * }
+ * Example::
*
- * phandle3: node3 {
- * #list-cells = <1>;
- * list-map = <0 &phandle2 3>,
- * <1 &phandle2 2>,
- * <2 &phandle1 5 1>;
- * list-map-mask = <0x3>;
- * };
- *
- * node4 {
- * list = <&phandle1 1 2 &phandle3 0>;
- * }
+ * phandle1: node1 {
+ * #list-cells = <2>;
+ * };
+ *
+ * phandle2: node2 {
+ * #list-cells = <1>;
+ * };
+ *
+ * phandle3: node3 {
+ * #list-cells = <1>;
+ * list-map = <0 &phandle2 3>,
+ * <1 &phandle2 2>,
+ * <2 &phandle1 5 1>;
+ * list-map-mask = <0x3>;
+ * };
+ *
+ * node4 {
+ * list = <&phandle1 1 2 &phandle3 0>;
+ * };
*
- * To get a device_node of the `node2' node you may call this:
+ * To get a device_node of the ``node2`` node you may call this:
* of_parse_phandle_with_args(node4, "list", "list", 1, &args);
*/
int of_parse_phandle_with_args_map(const struct device_node *np,
@@ -1699,19 +1699,19 @@ EXPORT_SYMBOL(of_parse_phandle_with_args
* Caller is responsible to call of_node_put() on the returned out_args->np
* pointer.
*
- * Example:
+ * Example::
*
- * phandle1: node1 {
- * }
+ * phandle1: node1 {
+ * };
*
- * phandle2: node2 {
- * }
+ * phandle2: node2 {
+ * };
*
- * node3 {
- * list = <&phandle1 0 2 &phandle2 2 3>;
- * }
+ * node3 {
+ * list = <&phandle1 0 2 &phandle2 2 3>;
+ * };
*
- * To get a device_node of the `node2' node you may call this:
+ * To get a device_node of the ``node2`` node you may call this:
* of_parse_phandle_with_fixed_args(node3, "list", 2, 1, &args);
*/
int of_parse_phandle_with_fixed_args(const struct device_node *np,
@@ -1957,13 +1957,12 @@ static void of_alias_add(struct alias_pr
/**
* of_alias_scan - Scan all properties of the 'aliases' node
+ * @dt_alloc: An allocator that provides a virtual address to memory
+ * for storing the resulting tree
*
* The function scans all the properties of the 'aliases' node and populates
* the global lookup table with the properties. It returns the
* number of alias properties found, or an error code in case of failure.
- *
- * @dt_alloc: An allocator that provides a virtual address to memory
- * for storing the resulting tree
*/
void of_alias_scan(void * (*dt_alloc)(u64 size, u64 align))
{
@@ -2158,12 +2157,12 @@ bool of_console_check(struct device_node
EXPORT_SYMBOL_GPL(of_console_check);
/**
- * of_find_next_cache_node - Find a node's subsidiary cache
- * @np: node of type "cpu" or "cache"
+ * of_find_next_cache_node - Find a node's subsidiary cache
+ * @np: node of type "cpu" or "cache"
*
- * Returns a node pointer with refcount incremented, use
- * of_node_put() on it when done. Caller should hold a reference
- * to np.
+ * Return: A node pointer with refcount incremented, use
+ * of_node_put() on it when done. Caller should hold a reference
+ * to np.
*/
struct device_node *of_find_next_cache_node(const struct device_node *np)
{
--- a/drivers/of/fdt.c
+++ b/drivers/of/fdt.c
@@ -349,11 +349,6 @@ static int unflatten_dt_nodes(const void
/**
* __unflatten_device_tree - create tree of device_nodes from flat blob
- *
- * unflattens a device-tree, creating the
- * tree of struct device_node. It also fills the "name" and "type"
- * pointers of the nodes so the normal device-tree walking functions
- * can be used.
* @blob: The blob to expand
* @dad: Parent device node
* @mynodes: The device_node tree created by the call
@@ -361,6 +356,10 @@ static int unflatten_dt_nodes(const void
* for the resulting tree
* @detached: if true set OF_DETACHED on @mynodes
*
+ * unflattens a device-tree, creating the tree of struct device_node. It also
+ * fills the "name" and "type" pointers of the nodes so the normal device-tree
+ * walking functions can be used.
+ *
* Returns NULL on failure or the memory chunk containing the unflattened
* device tree on success.
*/
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