[PATCH 1/9] doc: add include/dm/uclass.h to the HTML documentation
Patrick Delaunay
patrick.delaunay at foss.st.com
Wed Jan 12 10:53:42 CET 2022
Correct Sphinx style comments in include/dm/uclass.h
and add the driver model UCLASS API to the HTML documentation.
Signed-off-by: Patrick Delaunay <patrick.delaunay at foss.st.com>
---
doc/api/dm.rst | 9 ++++++
doc/api/index.rst | 1 +
include/dm/uclass.h | 75 ++++++++++++++++++++++-----------------------
3 files changed, 47 insertions(+), 38 deletions(-)
create mode 100644 doc/api/dm.rst
diff --git a/doc/api/dm.rst b/doc/api/dm.rst
new file mode 100644
index 0000000000..edce25da51
--- /dev/null
+++ b/doc/api/dm.rst
@@ -0,0 +1,9 @@
+.. SPDX-License-Identifier: GPL-2.0+
+
+Driver Model
+============
+
+Uclass and Driver
+-----------------
+
+.. kernel-doc:: include/dm/uclass.h
diff --git a/doc/api/index.rst b/doc/api/index.rst
index 806c7385a6..3f36174167 100644
--- a/doc/api/index.rst
+++ b/doc/api/index.rst
@@ -7,6 +7,7 @@ U-Boot API documentation
:maxdepth: 2
dfu
+ dm
efi
getopt
linker_lists
diff --git a/include/dm/uclass.h b/include/dm/uclass.h
index f1fd2ba246..a12a872d94 100644
--- a/include/dm/uclass.h
+++ b/include/dm/uclass.h
@@ -84,7 +84,7 @@ struct udevice;
* its children. If non-zero this is the size of this data, to be allocated
* in the child device's parent_plat pointer. This value is only used as
* a fallback if this member is 0 in the driver.
- * @flags: Flags for this uclass (DM_UC_...)
+ * @flags: Flags for this uclass ``(DM_UC_...)``
*/
struct uclass_driver {
const char *name;
@@ -127,17 +127,16 @@ struct uclass_driver {
* build time. Before this is used, an extern UCLASS_DRIVER() must have been
* declared.
*
- * For example:
+ * For example: ::
*
- * extern UCLASS_DRIVER(clk);
- *
- * struct uclass_driver *drvs[] = {
- * DM_UCLASS_DRIVER_REF(clk),
- * };
+ * extern UCLASS_DRIVER(clk);
+ * struct uclass_driver *drvs[] = {
+ * DM_UCLASS_DRIVER_REF(clk),
+ * };
*
* @_name: Name of the uclass_driver. This must be a valid C identifier, used by
* the linker_list.
- * @returns struct uclass_driver * for the uclass driver
+ * Return: struct uclass_driver * for the uclass driver
*/
#define DM_UCLASS_DRIVER_REF(_name) \
ll_entry_ref(struct uclass_driver, _name, uclass_driver)
@@ -145,8 +144,8 @@ struct uclass_driver {
/**
* uclass_get_priv() - Get the private data for a uclass
*
- * @uc Uclass to check
- * @return private data, or NULL if none
+ * @uc: Uclass to check
+ * Return: private data, or NULL if none
*/
void *uclass_get_priv(const struct uclass *uc);
@@ -159,8 +158,8 @@ void *uclass_get_priv(const struct uclass *uc);
*
* @key: ID to look up
* @ucp: Returns pointer to uclass (there is only one per ID)
- * @return 0 if OK, -EDEADLK if driver model is not yet inited, other -ve on
- * other error
+ * Return: 0 if OK, -EDEADLK if driver model is not yet inited, other -ve on
+ * other error
*/
int uclass_get(enum uclass_id key, struct uclass **ucp);
@@ -168,16 +167,16 @@ int uclass_get(enum uclass_id key, struct uclass **ucp);
* uclass_get_name() - Get the name of a uclass driver
*
* @id: ID to look up
- * @returns the name of the uclass driver for that ID, or NULL if none
+ * Return: the name of the uclass driver for that ID, or NULL if none
*/
const char *uclass_get_name(enum uclass_id id);
/**
- * uclass_get_by_name() - Look up a uclass by its driver name
+ * uclass_get_by_name_len() - Look up a uclass by its partial driver name
*
* @name: Name to look up
- * @len: Length of name
- * @returns the associated uclass ID, or UCLASS_INVALID if not found
+ * @len: Length of the partial name
+ * Return: the associated uclass ID, or UCLASS_INVALID if not found
*/
enum uclass_id uclass_get_by_name_len(const char *name, int len);
@@ -185,7 +184,7 @@ enum uclass_id uclass_get_by_name_len(const char *name, int len);
* uclass_get_by_name() - Look up a uclass by its driver name
*
* @name: Name to look up
- * @returns the associated uclass ID, or UCLASS_INVALID if not found
+ * Return: the associated uclass ID, or UCLASS_INVALID if not found
*/
enum uclass_id uclass_get_by_name(const char *name);
@@ -197,7 +196,7 @@ enum uclass_id uclass_get_by_name(const char *name);
* @id: ID to look up
* @index: Device number within that uclass (0=first)
* @devp: Returns pointer to device (there is only one per for each ID)
- * @return 0 if OK, -ve on error
+ * Return: 0 if OK, -ve on error
*/
int uclass_get_device(enum uclass_id id, int index, struct udevice **devp);
@@ -211,7 +210,7 @@ int uclass_get_device(enum uclass_id id, int index, struct udevice **devp);
* @id: ID to look up
* @name: name of a device to get
* @devp: Returns pointer to device (the first one with the name)
- * @return 0 if OK, -ve on error
+ * Return: 0 if OK, -ve on error
*/
int uclass_get_device_by_name(enum uclass_id id, const char *name,
struct udevice **devp);
@@ -228,7 +227,7 @@ int uclass_get_device_by_name(enum uclass_id id, const char *name,
* @id: ID to look up
* @seq: Sequence number to find (0=first)
* @devp: Returns pointer to device (there is only one for each seq)
- * @return 0 if OK, -ve on error
+ * Return: 0 if OK, -ve on error
*/
int uclass_get_device_by_seq(enum uclass_id id, int seq, struct udevice **devp);
@@ -243,7 +242,7 @@ int uclass_get_device_by_seq(enum uclass_id id, int seq, struct udevice **devp);
* @id: ID to look up
* @node: Device tree offset to search for (if -ve then -ENODEV is returned)
* @devp: Returns pointer to device (there is only one for each node)
- * @return 0 if OK, -ve on error
+ * Return: 0 if OK, -ve on error
*/
int uclass_get_device_by_of_offset(enum uclass_id id, int node,
struct udevice **devp);
@@ -257,9 +256,9 @@ int uclass_get_device_by_of_offset(enum uclass_id id, int node,
* The device is probed to activate it ready for use.
*
* @id: ID to look up
- * @np: Device tree node to search for (if NULL then -ENODEV is returned)
+ * @node: Device tree node to search for (if NULL then -ENODEV is returned)
* @devp: Returns pointer to device (there is only one for each node)
- * @return 0 if OK, -ve on error
+ * Return: 0 if OK, -ve on error
*/
int uclass_get_device_by_ofnode(enum uclass_id id, ofnode node,
struct udevice **devp);
@@ -275,8 +274,8 @@ int uclass_get_device_by_ofnode(enum uclass_id id, ofnode node,
* @phandle_id: the phandle id to look up
* @devp: Returns pointer to device (there is only one for each node). NULL if
* there is no such device.
- * @return 0 if OK, -ENODEV if there is no device match the phandle, other
- * -ve on error
+ * Return: 0 if OK, -ENODEV if there is no device match the phandle, other
+ * -ve on error
*/
int uclass_get_device_by_phandle_id(enum uclass_id id, uint phandle_id,
struct udevice **devp);
@@ -292,8 +291,8 @@ int uclass_get_device_by_phandle_id(enum uclass_id id, uint phandle_id,
* @parent: Parent device containing the phandle pointer
* @name: Name of property in the parent device node
* @devp: Returns pointer to device (there is only one for each node)
- * @return 0 if OK, -ENOENT if there is no @name present in the node, other
- * -ve on error
+ * Return: 0 if OK, -ENOENT if there is no @name present in the node, other
+ * -ve on error
*/
int uclass_get_device_by_phandle(enum uclass_id id, struct udevice *parent,
const char *name, struct udevice **devp);
@@ -310,7 +309,7 @@ int uclass_get_device_by_phandle(enum uclass_id id, struct udevice *parent,
* @id: ID to look up
* @drv: Driver to look for
* @devp: Returns pointer to the first device with that driver
- * @return 0 if OK, -ve on error
+ * Return: 0 if OK, -ve on error
*/
int uclass_get_device_by_driver(enum uclass_id id, const struct driver *drv,
struct udevice **devp);
@@ -327,7 +326,7 @@ int uclass_get_device_by_driver(enum uclass_id id, const struct driver *drv,
* @devp: Returns pointer to the first device in that uclass if no error
* occurred, or NULL if there is no first device, or an error occurred with
* that device.
- * @return 0 if OK (found or not found), other -ve on error
+ * Return: 0 if OK (found or not found), other -ve on error
*/
int uclass_first_device(enum uclass_id id, struct udevice **devp);
@@ -338,7 +337,7 @@ int uclass_first_device(enum uclass_id id, struct udevice **devp);
*
* @id: Uclass ID to look up
* @devp: Returns pointer to the first device in that uclass, or NULL if none
- * @return 0 if found, -ENODEV if not found, other -ve on error
+ * Return: 0 if found, -ENODEV if not found, other -ve on error
*/
int uclass_first_device_err(enum uclass_id id, struct udevice **devp);
@@ -353,7 +352,7 @@ int uclass_first_device_err(enum uclass_id id, struct udevice **devp);
* @devp: On entry, pointer to device to lookup. On exit, returns pointer
* to the next device in the uclass if no error occurred, or NULL if there is
* no next device, or an error occurred with that next device.
- * @return 0 if OK (found or not found), other -ve on error
+ * Return: 0 if OK (found or not found), other -ve on error
*/
int uclass_next_device(struct udevice **devp);
@@ -365,7 +364,7 @@ int uclass_next_device(struct udevice **devp);
* @devp: On entry, pointer to device to lookup. On exit, returns pointer
* to the next device in the uclass if no error occurred, or NULL if
* there is no next device.
- * @return 0 if found, -ENODEV if not found, other -ve on error
+ * Return: 0 if found, -ENODEV if not found, other -ve on error
*/
int uclass_next_device_err(struct udevice **devp);
@@ -380,7 +379,7 @@ int uclass_next_device_err(struct udevice **devp);
* @id: Uclass ID to look up
* @devp: Returns pointer to the first device in that uclass, or NULL if there
* is no first device
- * @return 0 if OK (found or not found), other -ve on error. If an error occurs
+ * Return: 0 if OK (found or not found), other -ve on error. If an error occurs
* it is still possible to move to the next device.
*/
int uclass_first_device_check(enum uclass_id id, struct udevice **devp);
@@ -395,7 +394,7 @@ int uclass_first_device_check(enum uclass_id id, struct udevice **devp);
*
* @devp: On entry, pointer to device to lookup. On exit, returns pointer
* to the next device in the uclass if any
- * @return 0 if OK (found or not found), other -ve on error. If an error occurs
+ * Return: 0 if OK (found or not found), other -ve on error. If an error occurs
* it is still possible to move to the next device.
*/
int uclass_next_device_check(struct udevice **devp);
@@ -409,7 +408,7 @@ int uclass_next_device_check(struct udevice **devp);
* @id: Uclass ID to check
* @driver_data: Driver data to search for
* @devp: Returns pointer to the first matching device in that uclass, if found
- * @return 0 if found, -ENODEV if not found, other -ve on error
+ * Return: 0 if found, -ENODEV if not found, other -ve on error
*/
int uclass_first_device_drvdata(enum uclass_id id, ulong driver_data,
struct udevice **devp);
@@ -421,7 +420,7 @@ int uclass_first_device_drvdata(enum uclass_id id, ulong driver_data,
* looking for its ID.
*
* @id: uclass ID to look up
- * @return 0 if OK, other -ve on error
+ * Return: 0 if OK, other -ve on error
*/
int uclass_probe_all(enum uclass_id id);
@@ -429,7 +428,7 @@ int uclass_probe_all(enum uclass_id id);
* uclass_id_count() - Count the number of devices in a uclass
*
* @id: uclass ID to look up
- * @return number of devices in that uclass (0 if none)
+ * Return: number of devices in that uclass (0 if none)
*/
int uclass_id_count(enum uclass_id id);
@@ -444,7 +443,7 @@ int uclass_id_count(enum uclass_id id);
* @id: enum uclass_id ID to use
* @pos: struct udevice * to hold the current device. Set to NULL when there
* are no more devices.
- * @uc: temporary uclass variable (struct uclass *)
+ * @uc: temporary uclass variable (``struct uclass *``)
*/
#define uclass_id_foreach_dev(id, pos, uc) \
if (!uclass_get(id, &uc)) \
--
2.25.1
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