UBI: fix kernel-doc errors and warnings

No functional changes, just tweak comments to make kernel-doc
work fine and stop complaining.

Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>

drivers/mtd/ubi/build.c

@@ -159,8 +159,7 @@ void ubi_put_device(struct ubi_device *ubi)
 }
 
 /**
- * ubi_get_by_major - get UBI device description object by character device
- *                    major number.
+ * ubi_get_by_major - get UBI device by character device major number.
  * @major: major number
  *
  * This function is similar to 'ubi_get_device()', but it searches the device
@@ -727,7 +726,7 @@ static int autoresize(struct ubi_device *ubi, int vol_id)
 
 /**
  * ubi_attach_mtd_dev - attach an MTD device.
- * @mtd_dev: MTD device description object
+ * @mtd: MTD device description object
  * @ubi_num: number to assign to the new UBI device
  * @vid_hdr_offset: VID header offset
  *
@@ -1095,8 +1094,7 @@ static void __exit ubi_exit(void)
 module_exit(ubi_exit);
 
 /**
- * bytes_str_to_int - convert a string representing number of bytes to an
- * integer.
+ * bytes_str_to_int - convert a number of bytes string into an integer.
  * @str: the string to convert
  *
  * This function returns positive resulting integer in case of success and a

drivers/mtd/ubi/io.c

@@ -1101,8 +1101,7 @@ fail:
 }
 
 /**
- * paranoid_check_peb_ec_hdr - check that the erase counter header of a
- * physical eraseblock is in-place and is all right.
+ * paranoid_check_peb_ec_hdr - check erase counter header.
  * @ubi: UBI device description object
  * @pnum: the physical eraseblock number to check
  *
@@ -1180,8 +1179,7 @@ fail:
 }
 
 /**
- * paranoid_check_peb_vid_hdr - check that the volume identifier header of a
- * physical eraseblock is in-place and is all right.
+ * paranoid_check_peb_vid_hdr - check volume identifier header.
  * @ubi: UBI device description object
  * @pnum: the physical eraseblock number to check
  *

drivers/mtd/ubi/scan.c

@@ -93,8 +93,7 @@ static int add_to_list(struct ubi_scan_info *si, int pnum, int ec,
 }
 
 /**
- * validate_vid_hdr - check that volume identifier header is correct and
- * consistent.
+ * validate_vid_hdr - check volume identifier header.
  * @vid_hdr: the volume identifier header to check
  * @sv: information about the volume this logical eraseblock belongs to
  * @pnum: physical eraseblock number the VID header came from
@@ -380,8 +379,7 @@ out_free_vidh:
 }
 
 /**
- * ubi_scan_add_used - add information about a physical eraseblock to the
- * scanning information.
+ * ubi_scan_add_used - add physical eraseblock to the scanning information.
  * @ubi: UBI device description object
  * @si: scanning information
  * @pnum: the physical eraseblock number
@@ -555,8 +553,7 @@ int ubi_scan_add_used(struct ubi_device *ubi, struct ubi_scan_info *si,
 }
 
 /**
- * ubi_scan_find_sv - find information about a particular volume in the
- * scanning information.
+ * ubi_scan_find_sv - find volume in the scanning information.
  * @si: scanning information
  * @vol_id: the requested volume ID
  *
@@ -585,8 +582,7 @@ struct ubi_scan_volume *ubi_scan_find_sv(const struct ubi_scan_info *si,
 }
 
 /**
- * ubi_scan_find_seb - find information about a particular logical
- * eraseblock in the volume scanning information.
+ * ubi_scan_find_seb - find LEB in the volume scanning information.
  * @sv: a pointer to the volume scanning information
  * @lnum: the requested logical eraseblock
  *
@@ -744,8 +740,7 @@ struct ubi_scan_leb *ubi_scan_get_free_peb(struct ubi_device *ubi,
 }
 
 /**
- * process_eb - read UBI headers, check them and add corresponding data
- * to the scanning information.
+ * process_eb - read, check UBI headers, and add them to scanning information.
  * @ubi: UBI device description object
  * @si: scanning information
  * @pnum: the physical eraseblock number
@@ -1083,8 +1078,7 @@ void ubi_scan_destroy_si(struct ubi_scan_info *si)
 #ifdef CONFIG_MTD_UBI_DEBUG_PARANOID
 
 /**
- * paranoid_check_si - check if the scanning information is correct and
- * consistent.
+ * paranoid_check_si - check the scanning information.
  * @ubi: UBI device description object
  * @si: scanning information
  *

drivers/mtd/ubi/ubi.h

@@ -313,6 +313,7 @@ struct ubi_wl_entry;
  *           @move_to, @move_to_put @erase_pending, @wl_scheduled, and @works
  *           fields
  * @move_mutex: serializes eraseblock moves
+ * @work_sem: sycnhronizes the WL worker with use tasks
  * @wl_scheduled: non-zero if the wear-leveling was scheduled
  * @lookuptbl: a table to quickly find a &struct ubi_wl_entry object for any
  *             physical eraseblock

drivers/mtd/ubi/upd.c

@@ -268,6 +268,7 @@ static int write_leb(struct ubi_device *ubi, struct ubi_volume *vol, int lnum,
 
 /**
  * ubi_more_update_data - write more update data.
+ * @ubi: UBI device description object
  * @vol: volume description object
  * @buf: write data (user-space memory buffer)
  * @count: how much bytes to write
@@ -385,6 +386,7 @@ int ubi_more_update_data(struct ubi_device *ubi, struct ubi_volume *vol,
 
 /**
  * ubi_more_leb_change_data - accept more data for atomic LEB change.
+ * @ubi: UBI device description object
  * @vol: volume description object
  * @buf: write data (user-space memory buffer)
  * @count: how much bytes to write

drivers/mtd/ubi/vmt.c

@@ -608,7 +608,7 @@ out_free:
 /**
  * ubi_rename_volumes - re-name UBI volumes.
  * @ubi: UBI device description object
- * @renam_list: list of &struct ubi_rename_entry objects
+ * @rename_list: list of &struct ubi_rename_entry objects
  *
  * This function re-names or removes volumes specified in the re-name list.
  * Returns zero in case of success and a negative error code in case of

drivers/mtd/ubi/vtbl.c

@@ -117,7 +117,7 @@ int ubi_change_vtbl_record(struct ubi_device *ubi, int idx,
 /**
  * ubi_vtbl_rename_volumes - rename UBI volumes in the volume table.
  * @ubi: UBI device description object
- * @renam_list: list of &struct ubi_rename_entry objects
+ * @rename_list: list of &struct ubi_rename_entry objects
  *
  * This function re-names multiple volumes specified in @req in the volume
  * table. Returns zero in case of success and a negative error code in case of
@@ -166,8 +166,7 @@ int ubi_vtbl_rename_volumes(struct ubi_device *ubi,
 }
 
 /**
- * vtbl_check - check if volume table is not corrupted and contains sensible
- *              data.
+ * vtbl_check - check if volume table is not corrupted and sensible.
  * @ubi: UBI device description object
  * @vtbl: volume table
  *
@@ -780,8 +779,7 @@ static int check_scanning_info(const struct ubi_device *ubi,
 }
 
 /**
- * ubi_read_volume_table - read volume table.
- * information.
+ * ubi_read_volume_table - read the volume table.
  * @ubi: UBI device description object
  * @si: scanning information
  *

drivers/mtd/ubi/wl.c

@@ -632,8 +632,7 @@ out_free:
 }
 
 /**
- * check_protection_over - check if it is time to stop protecting some
- * physical eraseblocks.
+ * check_protection_over - check if it is time to stop protecting some PEBs.
  * @ubi: UBI device description object
  *
  * This function is called after each erase operation, when the absolute erase
@@ -1601,8 +1600,7 @@ void ubi_wl_close(struct ubi_device *ubi)
 #ifdef CONFIG_MTD_UBI_DEBUG_PARANOID
 
 /**
- * paranoid_check_ec - make sure that the erase counter of a physical eraseblock
- * is correct.
+ * paranoid_check_ec - make sure that the erase counter of a PEB is correct.
  * @ubi: UBI device description object
  * @pnum: the physical eraseblock number to check
  * @ec: the erase counter to check
@@ -1643,13 +1641,12 @@ out_free:
 }
 
 /**
- * paranoid_check_in_wl_tree - make sure that a wear-leveling entry is present
- * in a WL RB-tree.
+ * paranoid_check_in_wl_tree - check that wear-leveling entry is in WL RB-tree.
  * @e: the wear-leveling entry to check
  * @root: the root of the tree
  *
- * This function returns zero if @e is in the @root RB-tree and %1 if it
- * is not.
+ * This function returns zero if @e is in the @root RB-tree and %1 if it is
+ * not.
  */
 static int paranoid_check_in_wl_tree(struct ubi_wl_entry *e,
 				     struct rb_root *root)