treewide: Fix typo in Documentation/DocBook

This patch fix spelling typo in Documentation/DocBook.
It is because .html and .xml files are generated by make htmldocs,
I have to fix a typo within the source files.

Signed-off-by: Masanari Iida <[e-mail]>
Acked-by: Randy Dunlap <[e-mail]>
Signed-off-by: Jiri Kosina <[e-mail]>

arch/s390/include/asm/cio.h

···
 /**
  * struct irb - interruption response block
  * @scsw: subchannel status word
- * @esw: extened status word
+ * @esw: extended status word
  * @ecw: extended control word
  *
  * The irb that is handed to the device driver when an interrupt occurs. For

block/blk-core.c

···
  *    in some cases below, so export this function.
  *    Request stacking drivers like request-based dm may change the queue
  *    limits while requests are in the queue (e.g. dm's table swapping).
- *    Such request stacking drivers should check those requests agaist
+ *    Such request stacking drivers should check those requests against
  *    the new queue limits again when they dispatch those requests,
  *    although such checkings are also done against the old queue limits
  *    when submitting requests.

block/blk-map.c

···
  *
  * Description:
  *    Data will be mapped directly if possible. Otherwise a bounce
- *    buffer is used. Can be called multple times to append multple
+ *    buffer is used. Can be called multiple times to append multiple
  *    buffers.
  */
 int blk_rq_map_kern(struct request_queue *q, struct request *rq, void *kbuf,

drivers/ata/libata-core.c

···
  *	@dev: Device to which the command is sent
  *	@tf: Taskfile registers for the command and the result
  *	@cdb: CDB for packet command
- *	@dma_dir: Data tranfer direction of the command
+ *	@dma_dir: Data transfer direction of the command
  *	@sgl: sg list for the data buffer of the command
  *	@n_elem: Number of sg entries
  *	@timeout: Timeout in msecs (0 for default)
···
  *	@dev: Device to which the command is sent
  *	@tf: Taskfile registers for the command and the result
  *	@cdb: CDB for packet command
- *	@dma_dir: Data tranfer direction of the command
+ *	@dma_dir: Data transfer direction of the command
  *	@buf: Data buffer of the command
  *	@buflen: Length of data buffer
  *	@timeout: Timeout in msecs (0 for default)

drivers/base/bus.c

···
  * with the name of the subsystem. The root device can carry subsystem-
  * wide attributes. All registered devices are below this single root
  * device and are named after the subsystem with a simple enumeration
- * number appended. The registered devices are not explicitely named;
+ * number appended. The registered devices are not explicitly named;
  * only 'id' in the device needs to be set.
  *
  * Do not use this interface for anything new, it exists for compatibility

drivers/gpu/drm/drm_crtc_helper.c

···
  * Caller must hold mode config lock.
  *
  * Setup a new configuration, provided by the upper layers (either an ioctl call
- * from userspace or internally e.g. from the fbdev suppport code) in @set, and
+ * from userspace or internally e.g. from the fbdev support code) in @set, and
  * enable it. This is the main helper functions for drivers that implement
  * kernel mode setting with the crtc helper functions and the assorted
  * ->prepare(), ->modeset() and ->commit() helper callbacks.

drivers/input/sparse-keymap.c

···
  * in an input device that was set up by sparse_keymap_setup().
  * NOTE: It is safe to cal this function while input device is
  * still registered (however the drivers should care not to try to
- * use freed keymap and thus have to shut off interrups/polling
+ * use freed keymap and thus have to shut off interrupts/polling
  * before freeing the keymap).
  */
 void sparse_keymap_free(struct input_dev *dev)

drivers/regulator/core.c

···
  * @regulator: regulator source
  *
  * Returns positive if the regulator driver backing the source/client
- * can change its voltage, false otherwise. Usefull for detecting fixed
+ * can change its voltage, false otherwise. Useful for detecting fixed
  * or dummy regulators and disabling voltage change logic in the client
  * driver.
  */

drivers/scsi/scsi_transport_iscsi.c

···
  * Adds a sysfs entry for the flashnode session attributes
  *
  * Returns:
- *  pointer to allocated flashnode sess on sucess
+ *  pointer to allocated flashnode sess on success
  *  %NULL on failure
  */
 struct iscsi_bus_flash_session *
···
 }
 
 /**
- * iscsi_destroy_flashnode_sess - destory flashnode session entry
+ * iscsi_destroy_flashnode_sess - destroy flashnode session entry
  * @fnode_sess: pointer to flashnode session entry to be destroyed
  *
  * Deletes the flashnode session entry and all children flashnode connection
···
 }
 
 /**
- * iscsi_destroy_all_flashnode - destory all flashnode session entries
+ * iscsi_destroy_all_flashnode - destroy all flashnode session entries
  * @shost: pointer to host data
  *
  * Destroys all the flashnode session entries and all corresponding children

drivers/usb/core/message.c

···
  *
  * Return:
  * If successful, 0. Otherwise a negative error number. The number of actual
- * bytes transferred will be stored in the @actual_length paramater.
+ * bytes transferred will be stored in the @actual_length parameter.
  */
 int usb_interrupt_msg(struct usb_device *usb_dev, unsigned int pipe,
 		      void *data, int len, int *actual_length, int timeout)

drivers/usb/core/urb.c

···
  *
  * this allows all outstanding URBs to be unlinked starting
  * from the back of the queue. This function is asynchronous.
- * The unlinking is just tiggered. It may happen after this
+ * The unlinking is just triggered. It may happen after this
  * function has returned.
  *
  * This routine should not be called by a driver after its disconnect

fs/buffer.c

···
  * until the buffer gets unlocked).
  *
  * ll_rw_block sets b_end_io to simple completion handler that marks
- * the buffer up-to-date (if approriate), unlocks the buffer and wakes
+ * the buffer up-to-date (if appropriate), unlocks the buffer and wakes
  * any waiters. 
  *
  * All of the buffers must be for the same device, and must also be a

fs/debugfs/inode.c

···
  * @name: a pointer to a string containing the name of the file to create.
  * @mode: the permission that the file should have.
  * @parent: a pointer to the parent dentry for this file.  This should be a
- *          directory dentry if set.  If this paramater is NULL, then the
+ *          directory dentry if set.  If this parameter is NULL, then the
  *          file will be created in the root of the debugfs filesystem.
  * @data: a pointer to something that the caller will want to get to later
  *        on.  The inode.i_private pointer will point to this value on
···
  * @name: a pointer to a string containing the name of the directory to
  *        create.
  * @parent: a pointer to the parent dentry for this file.  This should be a
- *          directory dentry if set.  If this paramater is NULL, then the
+ *          directory dentry if set.  If this parameter is NULL, then the
  *          directory will be created in the root of the debugfs filesystem.
  *
  * This function creates a directory in debugfs with the given name.
···
  * @name: a pointer to a string containing the name of the symbolic link to
  *        create.
  * @parent: a pointer to the parent dentry for this symbolic link.  This
- *          should be a directory dentry if set.  If this paramater is NULL,
+ *          should be a directory dentry if set.  If this parameter is NULL,
  *          then the symbolic link will be created in the root of the debugfs
  *          filesystem.
  * @target: a pointer to a string containing the path to the target of the

include/drm/drm_fb_helper.h

···
  *             save the current lut when force-restoring the fbdev for e.g.
  *             kdbg.
  * @fb_probe: Driver callback to allocate and initialize the fbdev info
- *            structure. Futhermore it also needs to allocate the drm
+ *            structure. Furthermore it also needs to allocate the drm
  *            framebuffer used to back the fbdev.
  * @initial_config: Setup an initial fbdev display configuration
  *

include/linux/hsi/hsi.h

···
  * @complete: Transfer completion callback
  * @destructor: Destructor to free resources when flushing
  * @status: Status of the transfer when completed
- * @actual_len: Actual length of data transfered on completion
+ * @actual_len: Actual length of data transferred on completion
  * @channel: Channel were to TX/RX the message
  * @ttype: Transfer type (TX if set, RX otherwise)
  * @break_frame: if true HSI will send/receive a break frame. Data buffers are

include/linux/kfifo.h

···
 /**
  * kfifo_dma_out_finish - finish a DMA OUT operation
  * @fifo: address of the fifo to be used
- * @len: number of bytes transferd
+ * @len: number of bytes transferrd
  *
  * This macro finish a DMA OUT operation. The out counter will be updated by
  * the len parameter. No error checking will be done.

include/linux/pipe_fs_i.h

···
  *	@tmp_page: cached released page
  *	@readers: number of current readers of this pipe
  *	@writers: number of current writers of this pipe
- *	@files: number of struct file refering this pipe (protected by ->i_lock)
+ *	@files: number of struct file referring this pipe (protected by ->i_lock)
  *	@waiting_writers: number of writers blocked waiting for room
  *	@r_counter: reader counter
  *	@w_counter: writer counter

include/linux/skbuff.h

···
 }
 
 /**
- * skb_frag_page - retrieve the page refered to by a paged fragment
+ * skb_frag_page - retrieve the page referred to by a paged fragment
  * @frag: the paged fragment
  *
  * Returns the &struct page associated with @frag.

include/linux/spi/spi.h

···
  * @mode_bits: flags understood by this controller driver
  * @bits_per_word_mask: A mask indicating which values of bits_per_word are
  *	supported by the driver. Bit n indicates that a bits_per_word n+1 is
- *	suported. If set, the SPI core will reject any transfer with an
+ *	supported. If set, the SPI core will reject any transfer with an
  *	unsupported bits_per_word. If not set, this value is simply ignored,
  *	and it's up to the individual driver to perform any validation.
  * @min_speed_hz: Lowest supported transfer speed
···
  * @cur_msg: the currently in-flight message
  * @cur_msg_prepared: spi_prepare_message was called for the currently
  *                    in-flight message
- * @xfer_completion: used by core tranfer_one_message()
+ * @xfer_completion: used by core transfer_one_message()
  * @busy: message pump is busy
  * @running: message pump is running
  * @rt: whether this queue is set to run as a realtime task
···
  * @rx_buf: data to be read (dma-safe memory), or NULL
  * @tx_dma: DMA address of tx_buf, if @spi_message.is_dma_mapped
  * @rx_dma: DMA address of rx_buf, if @spi_message.is_dma_mapped
- * @tx_nbits: number of bits used for writting. If 0 the default
+ * @tx_nbits: number of bits used for writing. If 0 the default
  *      (SPI_NBITS_SINGLE) is used.
  * @rx_nbits: number of bits used for reading. If 0 the default
  *      (SPI_NBITS_SINGLE) is used.
···
  * by the results of previous messages and where the whole transaction
  * ends when the chipselect goes intactive.
  *
- * When SPI can transfer in 1x,2x or 4x. It can get this tranfer information
+ * When SPI can transfer in 1x,2x or 4x. It can get this transfer information
  * from device through @tx_nbits and @rx_nbits. In Bi-direction, these
  * two should both be set. User can set transfer mode with SPI_NBITS_SINGLE(1x)
  * SPI_NBITS_DUAL(2x) and SPI_NBITS_QUAD(4x) to support these three transfer.

include/linux/usb/composite.h

···
  * @suspend: Notifies functions when the host stops sending USB traffic.
  * @resume: Notifies functions when the host restarts USB traffic.
  * @get_status: Returns function status as a reply to
- *	GetStatus() request when the recepient is Interface.
+ *	GetStatus() request when the recipient is Interface.
  * @func_suspend: callback to be called when
  *	SetFeature(FUNCTION_SUSPEND) is reseived
  *

include/net/mac80211.h

···
  *
  * Driver informs U-APSD client support by enabling
  * %IEEE80211_HW_SUPPORTS_UAPSD flag. The mode is configured through the
- * uapsd paramater in conf_tx() operation. Hardware needs to send the QoS
+ * uapsd parameter in conf_tx() operation. Hardware needs to send the QoS
  * Nullfunc frames and stay awake until the service period has ended. To
  * utilize U-APSD, dynamic powersave is disabled for voip AC and all frames
  * from that AC are transmitted with powersave enabled.
···
  * with the number of frames to be released and which TIDs they are
  * to come from. In this case, the driver is responsible for setting
  * the EOSP (for uAPSD) and MORE_DATA bits in the released frames,
- * to help the @more_data paramter is passed to tell the driver if
+ * to help the @more_data parameter is passed to tell the driver if
  * there is more data on other TIDs -- the TIDs to release frames
  * from are ignored since mac80211 doesn't know how many frames the
  * buffers for those TIDs contain.
···
  *	parameters. In the case where the driver buffers some frames for
  *	sleeping stations mac80211 will use this callback to tell the driver
  *	to release some frames, either for PS-poll or uAPSD.
- *	Note that if the @more_data paramter is %false the driver must check
+ *	Note that if the @more_data parameter is %false the driver must check
  *	if there are more frames on the given TIDs, and if there are more than
  *	the frames being released then it must still set the more-data bit in
  *	the frame. If the @more_data parameter is %true, then of course the

kernel/relay.c

···
  *	relay_remove_buf - remove a channel buffer
  *	@kref: target kernel reference that contains the relay buffer
  *
- *	Removes the file from the fileystem, which also frees the
+ *	Removes the file from the filesystem, which also frees the
  *	rchan_buf_struct and the channel buffer.  Should only be called from
  *	kref_put().
  */

kernel/signal.c

···
  * @regs:		user register state
  * @stepping:		nonzero if debugger single-step or block-step in use
  *
- * This function should be called when a signal has succesfully been
+ * This function should be called when a signal has successfully been
  * delivered. It updates the blocked signals accordingly (@ka->sa.sa_mask
  * is always blocked, and the signal itself is blocked unless %SA_NODEFER
  * is set in @ka->sa.sa_flags.  Tracing is notified.

net/core/dev.c

···
  *	@rx_handler: receive handler to register
  *	@rx_handler_data: data pointer that is used by rx handler
  *
- *	Register a receive hander for a device. This handler will then be
+ *	Register a receive handler for a device. This handler will then be
  *	called from __netif_receive_skb. A negative errno code is returned
  *	on a failure.
  *