1 files changed, 66 insertions, 66 deletions

diff --git a/include/linux/tty_ldisc.h b/include/linux/tty_ldisc.h
index 455a0d7bf220..58390c73df8b 100644
--- a/include/linux/tty_ldisc.h
+++ b/include/linux/tty_ldisc.h
@@ -9,89 +9,89 @@
  *
  * int  (*open)(struct tty_struct *);
  *
- *      This function is called when the line discipline is associated
- *      with the tty.  The line discipline can use this as an
- *      opportunity to initialize any state needed by the ldisc routines.
- * 
+ *      This function is called when the line discipline is associated
+ *      with the tty.  The line discipline can use this as an
+ *      opportunity to initialize any state needed by the ldisc routines.
+ *
  * void (*close)(struct tty_struct *);
  *
  *      This function is called when the line discipline is being
- *      shutdown, either because the tty is being closed or because
- *      the tty is being changed to use a new line discipline
- * 
+ *      shutdown, either because the tty is being closed or because
+ *      the tty is being changed to use a new line discipline
+ *
  * void (*flush_buffer)(struct tty_struct *tty);
  *
- *      This function instructs the line discipline to clear its
- *      buffers of any input characters it may have queued to be
- *      delivered to the user mode process.
- * 
+ *      This function instructs the line discipline to clear its
+ *      buffers of any input characters it may have queued to be
+ *      delivered to the user mode process.
+ *
  * ssize_t (*chars_in_buffer)(struct tty_struct *tty);
  *
- *      This function returns the number of input characters the line
+ *      This function returns the number of input characters the line
  *      discipline may have queued up to be delivered to the user mode
  *      process.
- * 
+ *
  * ssize_t (*read)(struct tty_struct * tty, struct file * file,
  *                 unsigned char * buf, size_t nr);
  *
- *      This function is called when the user requests to read from
- *      the tty.  The line discipline will return whatever characters
- *      it has buffered up for the user.  If this function is not
- *      defined, the user will receive an EIO error.
- * 
+ *      This function is called when the user requests to read from
+ *      the tty.  The line discipline will return whatever characters
+ *      it has buffered up for the user.  If this function is not
+ *      defined, the user will receive an EIO error.
+ *
  * ssize_t (*write)(struct tty_struct * tty, struct file * file,
- *                  const unsigned char * buf, size_t nr);
- *
- *      This function is called when the user requests to write to the
- *      tty.  The line discipline will deliver the characters to the
- *      low-level tty device for transmission, optionally performing
- *      some processing on the characters first.  If this function is
- *      not defined, the user will receive an EIO error.
- * 
+ *                  const unsigned char * buf, size_t nr);
+ *
+ *      This function is called when the user requests to write to the
+ *      tty.  The line discipline will deliver the characters to the
+ *      low-level tty device for transmission, optionally performing
+ *      some processing on the characters first.  If this function is
+ *      not defined, the user will receive an EIO error.
+ *
  * int  (*ioctl)(struct tty_struct * tty, struct file * file,
- *               unsigned int cmd, unsigned long arg);
+ *               unsigned int cmd, unsigned long arg);
  *
  *      This function is called when the user requests an ioctl which
- *      is not handled by the tty layer or the low-level tty driver.
- *      It is intended for ioctls which affect line discpline
- *      operation.  Note that the search order for ioctls is (1) tty
- *      layer, (2) tty low-level driver, (3) line discpline.  So a
- *      low-level driver can "grab" an ioctl request before the line
- *      discpline has a chance to see it.
- * 
+ *      is not handled by the tty layer or the low-level tty driver.
+ *      It is intended for ioctls which affect line discpline
+ *      operation.  Note that the search order for ioctls is (1) tty
+ *      layer, (2) tty low-level driver, (3) line discpline.  So a
+ *      low-level driver can "grab" an ioctl request before the line
+ *      discpline has a chance to see it.
+ *
  * long (*compat_ioctl)(struct tty_struct * tty, struct file * file,
- *                      unsigned int cmd, unsigned long arg);
+ *                      unsigned int cmd, unsigned long arg);
  *
- *      Process ioctl calls from 32-bit process on 64-bit system
+ *      Process ioctl calls from 32-bit process on 64-bit system
  *
  * void (*set_termios)(struct tty_struct *tty, struct ktermios * old);
  *
- *      This function notifies the line discpline that a change has
- *      been made to the termios structure.
- * 
+ *      This function notifies the line discpline that a change has
+ *      been made to the termios structure.
+ *
  * int  (*poll)(struct tty_struct * tty, struct file * file,
- *                poll_table *wait);
+ *                poll_table *wait);
  *
- *      This function is called when a user attempts to select/poll on a
- *      tty device.  It is solely the responsibility of the line
- *      discipline to handle poll requests.
+ *      This function is called when a user attempts to select/poll on a
+ *      tty device.  It is solely the responsibility of the line
+ *      discipline to handle poll requests.
  *
  * void (*receive_buf)(struct tty_struct *, const unsigned char *cp,
- *                     char *fp, int count);
- *
- *      This function is called by the low-level tty driver to send
- *      characters received by the hardware to the line discpline for
- *      processing.  <cp> is a pointer to the buffer of input
- *      character received by the device.  <fp> is a pointer to a
- *      pointer of flag bytes which indicate whether a character was
- *      received with a parity error, etc.
- * 
+ *                     char *fp, int count);
+ *
+ *      This function is called by the low-level tty driver to send
+ *      characters received by the hardware to the line discpline for
+ *      processing.  <cp> is a pointer to the buffer of input
+ *      character received by the device.  <fp> is a pointer to a
+ *      pointer of flag bytes which indicate whether a character was
+ *      received with a parity error, etc.
+ *
  * void (*write_wakeup)(struct tty_struct *);
  *
- *      This function is called by the low-level tty driver to signal
- *      that line discpline should try to send more characters to the
- *      low-level driver for transmission.  If the line discpline does
- *      not have any more data to send, it can just return.
+ *      This function is called by the low-level tty driver to signal
+ *      that line discpline should try to send more characters to the
+ *      low-level driver for transmission.  If the line discpline does
+ *      not have any more data to send, it can just return.
  *
  * int (*hangup)(struct tty_struct *)
  *
@@ -115,7 +115,7 @@ struct tty_ldisc_ops {
         char    *name;
         int     num;
         int     flags;
-        
+
         /*
          * The following routines are called from above.
          */
@@ -123,19 +123,19 @@ struct tty_ldisc_ops {
         void    (*close)(struct tty_struct *);
         void    (*flush_buffer)(struct tty_struct *tty);
         ssize_t (*chars_in_buffer)(struct tty_struct *tty);
-        ssize_t (*read)(struct tty_struct * tty, struct file * file,
-                        unsigned char __user * buf, size_t nr);
-        ssize_t (*write)(struct tty_struct * tty, struct file * file,
-                         const unsigned char * buf, size_t nr); 
-        int     (*ioctl)(struct tty_struct * tty, struct file * file,
+        ssize_t (*read)(struct tty_struct *tty, struct file *file,
+                        unsigned char __user *buf, size_t nr);
+        ssize_t (*write)(struct tty_struct *tty, struct file *file,
+                         const unsigned char *buf, size_t nr);
+        int     (*ioctl)(struct tty_struct *tty, struct file *file,
                          unsigned int cmd, unsigned long arg);
-        long    (*compat_ioctl)(struct tty_struct * tty, struct file * file,
+        long    (*compat_ioctl)(struct tty_struct *tty, struct file *file,
                                 unsigned int cmd, unsigned long arg);
-        void    (*set_termios)(struct tty_struct *tty, struct ktermios * old);
+        void    (*set_termios)(struct tty_struct *tty, struct ktermios *old);
         unsigned int (*poll)(struct tty_struct *, struct file *,
                              struct poll_table_struct *);
         int     (*hangup)(struct tty_struct *tty);
-        
+
         /*
          * The following routines are called from below.
          */
@@ -145,7 +145,7 @@ struct tty_ldisc_ops {
         void    (*dcd_change)(struct tty_struct *, unsigned int);
 
         struct  module *owner;
-        
+
         int refcount;
 };