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authorMauro Carvalho Chehab <mchehab@s-opensource.com>2016-10-29 10:35:23 -0200
committerMauro Carvalho Chehab <mchehab@s-opensource.com>2016-12-15 08:58:10 -0200
commit66c222a02fadfd7cc62c754c12379d6bb08eaf77 (patch)
tree9d68e0db74bbf71af7205d83c252456385bf229f
parentb73bbad352a50fb2d8dd42241b534a3dace03b49 (diff)
edac: fix kernel-doc tags at the drivers/edac_*.h
Some kernel-doc tags don't provide good descriptions or use a different style. Adjust them. Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
-rw-r--r--Documentation/admin-guide/ras.rst2
-rw-r--r--drivers/edac/edac_mc.h55
2 files changed, 36 insertions, 21 deletions
diff --git a/Documentation/admin-guide/ras.rst b/Documentation/admin-guide/ras.rst
index 2f8706bae5a4..d71340e86c27 100644
--- a/Documentation/admin-guide/ras.rst
+++ b/Documentation/admin-guide/ras.rst
@@ -843,7 +843,7 @@ Module parameters
EDAC device type
----------------
-In the header file, edac_core.h, there is a series of edac_device structures
+In the header file, edac_pci.h, there is a series of edac_device structures
and APIs for the EDAC_DEVICE.
User space access to an edac_device is through the sysfs interface.
diff --git a/drivers/edac/edac_mc.h b/drivers/edac/edac_mc.h
index dcc2c7e3b8bc..50fc1dc9c0d8 100644
--- a/drivers/edac/edac_mc.h
+++ b/drivers/edac/edac_mc.h
@@ -15,6 +15,8 @@
* Refactored for multi-source files:
* Doug Thompson <norsk5@xmission.com>
*
+ * Please look at Documentation/driver-api/edac.rst for more info about
+ * EDAC core structs and functions.
*/
#ifndef _EDAC_MC_H_
@@ -94,7 +96,8 @@ do { \
#define to_mci(k) container_of(k, struct mem_ctl_info, dev)
/**
- * edac_mc_alloc: Allocate and partially fill a struct mem_ctl_info structure
+ * edac_mc_alloc() - Allocate and partially fill a struct &mem_ctl_info.
+ *
* @mc_num: Memory controller number
* @n_layers: Number of MC hierarchy layers
* @layers: Describes each layer as seen by the Memory Controller
@@ -116,8 +119,8 @@ do { \
* on such scenarios, as grouping the multiple ranks require drivers change.
*
* Returns:
- * On failure: NULL
- * On success: struct mem_ctl_info pointer
+ * On success, return a pointer to struct mem_ctl_info pointer;
+ * %NULL otherwise
*/
struct mem_ctl_info *edac_mc_alloc(unsigned mc_num,
unsigned n_layers,
@@ -125,28 +128,28 @@ struct mem_ctl_info *edac_mc_alloc(unsigned mc_num,
unsigned sz_pvt);
/**
- * edac_mc_add_mc_with_groups: Insert the 'mci' structure into the mci
- * global list and create sysfs entries associated with mci structure
+ * edac_mc_add_mc_with_groups() - Insert the @mci structure into the mci
+ * global list and create sysfs entries associated with @mci structure.
+ *
* @mci: pointer to the mci structure to be added to the list
* @groups: optional attribute groups for the driver-specific sysfs entries
*
- * Return:
- * 0 Success
- * !0 Failure
+ * Returns:
+ * 0 on Success, or an error code on failure
*/
extern int edac_mc_add_mc_with_groups(struct mem_ctl_info *mci,
const struct attribute_group **groups);
#define edac_mc_add_mc(mci) edac_mc_add_mc_with_groups(mci, NULL)
/**
- * edac_mc_free
- * 'Free' a previously allocated 'mci' structure
+ * edac_mc_free() - Frees a previously allocated @mci structure
+ *
* @mci: pointer to a struct mem_ctl_info structure
*/
extern void edac_mc_free(struct mem_ctl_info *mci);
/**
- * edac_mc_find: Search for a mem_ctl_info structure whose index is @idx.
+ * edac_mc_find() - Search for a mem_ctl_info structure whose index is @idx.
*
* @idx: index to be seek
*
@@ -156,29 +159,41 @@ extern void edac_mc_free(struct mem_ctl_info *mci);
extern struct mem_ctl_info *edac_mc_find(int idx);
/**
- * find_mci_by_dev
+ * find_mci_by_dev() - Scan list of controllers looking for the one that
+ * manages the @dev device.
*
- * scan list of controllers looking for the one that manages
- * the 'dev' device
* @dev: pointer to a struct device related with the MCI
+ *
+ * Returns: on success, returns a pointer to struct &mem_ctl_info;
+ * %NULL otherwise.
*/
extern struct mem_ctl_info *find_mci_by_dev(struct device *dev);
/**
- * edac_mc_del_mc: Remove sysfs entries for specified mci structure and
- * remove mci structure from global list
+ * edac_mc_del_mc() - Remove sysfs entries for mci structure associated with
+ * @dev and remove mci structure from global list.
*
* @dev: Pointer to struct &device representing mci structure to remove.
*
- * Returns: pointer to removed mci structure, or NULL if device not found.
+ * Returns: pointer to removed mci structure, or %NULL if device not found.
*/
extern struct mem_ctl_info *edac_mc_del_mc(struct device *dev);
+
+/**
+ * edac_mc_find_csrow_by_page() - Ancillary routine to identify what csrow
+ * contains a memory page.
+ *
+ * @mci: pointer to a struct mem_ctl_info structure
+ * @page: memory page to find
+ *
+ * Returns: on success, returns the csrow. -1 if not found.
+ */
extern int edac_mc_find_csrow_by_page(struct mem_ctl_info *mci,
unsigned long page);
/**
- * edac_raw_mc_handle_error - reports a memory event to userspace without doing
- * anything to discover the error location
+ * edac_raw_mc_handle_error() - Reports a memory event to userspace without
+ * doing anything to discover the error location.
*
* @type: severity of the error (CE/UE/Fatal)
* @mci: a struct mem_ctl_info pointer
@@ -193,7 +208,7 @@ void edac_raw_mc_handle_error(const enum hw_event_mc_err_type type,
struct edac_raw_error_desc *e);
/**
- * edac_mc_handle_error - reports a memory event to userspace
+ * edac_mc_handle_error() - Reports a memory event to userspace.
*
* @type: severity of the error (CE/UE/Fatal)
* @mci: a struct mem_ctl_info pointer