6 files changed, 64 insertions, 31 deletions

diff --git a/include/linux/auxvec.h b/include/linux/auxvec.h
index ad895455ab72..0da17d14fd13 100644
--- a/include/linux/auxvec.h
+++ b/include/linux/auxvec.h
@@ -26,8 +26,10 @@
 
 #define AT_SECURE 23   /* secure mode boolean */
 
+#define AT_EXECFN  31   /* filename of program */
 #ifdef __KERNEL__
-#define AT_VECTOR_SIZE_BASE (14 + 2) /* NEW_AUX_ENT entries in auxiliary table */
+#define AT_VECTOR_SIZE_BASE 17 /* NEW_AUX_ENT entries in auxiliary table */
+  /* number of "#define AT_.*" above, minus {AT_NULL, AT_IGNORE, AT_NOTELF} */
 #endif
 
 #endif /* _LINUX_AUXVEC_H */
diff --git a/include/linux/spi/max7301.h b/include/linux/spi/max7301.h
new file mode 100644
index 000000000000..6dfd83f19b4b
--- /dev/null
+++ b/include/linux/spi/max7301.h
@@ -0,0 +1,9 @@
+#ifndef LINUX_SPI_MAX7301_H
+#define LINUX_SPI_MAX7301_H
+
+struct max7301_platform_data {
+        /* number assigned to the first GPIO */
+        unsigned        base;
+};
+
+#endif
diff --git a/include/linux/synclink.h b/include/linux/synclink.h
index 45f6bc82d317..c844a229acc9 100644
--- a/include/linux/synclink.h
+++ b/include/linux/synclink.h
@@ -136,6 +136,7 @@
 #define MGSL_INTERFACE_RTS_EN   0x10
 #define MGSL_INTERFACE_LL       0x20
 #define MGSL_INTERFACE_RL       0x40
+#define MGSL_INTERFACE_MSB_FIRST 0x80
 
 typedef struct _MGSL_PARAMS
 {
diff --git a/include/linux/tty.h b/include/linux/tty.h
index 4e5833073aa6..e3579cb086e0 100644
--- a/include/linux/tty.h
+++ b/include/linux/tty.h
@@ -317,8 +317,6 @@ extern void tty_wait_until_sent(struct tty_struct *tty, long timeout);
 extern int tty_check_change(struct tty_struct *tty);
 extern void stop_tty(struct tty_struct *tty);
 extern void start_tty(struct tty_struct *tty);
-extern int tty_register_ldisc(int disc, struct tty_ldisc_ops *new_ldisc);
-extern int tty_unregister_ldisc(int disc);
 extern int tty_register_driver(struct tty_driver *driver);
 extern int tty_unregister_driver(struct tty_driver *driver);
 extern struct device *tty_register_device(struct tty_driver *driver,
@@ -383,6 +381,15 @@ extern void tty_port_init(struct tty_port *port);
 extern int tty_port_alloc_xmit_buf(struct tty_port *port);
 extern void tty_port_free_xmit_buf(struct tty_port *port);
 
+extern int tty_register_ldisc(int disc, struct tty_ldisc_ops *new_ldisc);
+extern int tty_unregister_ldisc(int disc);
+extern int tty_set_ldisc(struct tty_struct *tty, int ldisc);
+extern int tty_ldisc_setup(struct tty_struct *tty, struct tty_struct *o_tty);
+extern void tty_ldisc_release(struct tty_struct *tty, struct tty_struct *o_tty);
+extern void tty_ldisc_init(struct tty_struct *tty);
+extern void tty_ldisc_begin(void);
+/* This last one is just for the tty layer internals and shouldn't be used elsewhere */
+extern void tty_ldisc_enable(struct tty_struct *tty);
 
 
 /* n_tty.c */
diff --git a/include/linux/tty_driver.h b/include/linux/tty_driver.h
index d2a003586761..e1065ac0d922 100644
--- a/include/linux/tty_driver.h
+++ b/include/linux/tty_driver.h
@@ -135,7 +135,7 @@
  *
  *      Optional:
  *
- * void (*break_ctl)(struct tty_stuct *tty, int state);
+ * int (*break_ctl)(struct tty_stuct *tty, int state);
  *
  *      This optional routine requests the tty driver to turn on or
  *      off BREAK status on the RS-232 port.  If state is -1,
@@ -146,6 +146,10 @@
  *      handle the following ioctls: TCSBRK, TCSBRKP, TIOCSBRK,
  *      TIOCCBRK.
  *
+ *      If the driver sets TTY_DRIVER_HARDWARE_BREAK then the interface
+ *      will also be called with actual times and the hardware is expected
+ *      to do the delay work itself. 0 and -1 are still used for on/off.
+ *
  *      Optional: Required for TCSBRK/BRKP/etc handling.
  *
  * void (*wait_until_sent)(struct tty_struct *tty, int timeout);
@@ -192,7 +196,7 @@ struct tty_operations {
         void (*stop)(struct tty_struct *tty);
         void (*start)(struct tty_struct *tty);
         void (*hangup)(struct tty_struct *tty);
-        void (*break_ctl)(struct tty_struct *tty, int state);
+        int (*break_ctl)(struct tty_struct *tty, int state);
         void (*flush_buffer)(struct tty_struct *tty);
         void (*set_ldisc)(struct tty_struct *tty);
         void (*wait_until_sent)(struct tty_struct *tty, int timeout);
@@ -285,12 +289,18 @@ extern struct tty_driver *tty_find_polling_driver(char *name, int *line);
  * TTY_DRIVER_DEVPTS_MEM -- don't use the standard arrays, instead
  *      use dynamic memory keyed through the devpts filesystem.  This
  *      is only applicable to the pty driver.
+ *
+ * TTY_DRIVER_HARDWARE_BREAK -- hardware handles break signals. Pass
+ *      the requested timeout to the caller instead of using a simple
+ *      on/off interface.
+ *
  */
 #define TTY_DRIVER_INSTALLED            0x0001
 #define TTY_DRIVER_RESET_TERMIOS        0x0002
 #define TTY_DRIVER_REAL_RAW             0x0004
 #define TTY_DRIVER_DYNAMIC_DEV          0x0008
 #define TTY_DRIVER_DEVPTS_MEM           0x0010
+#define TTY_DRIVER_HARDWARE_BREAK       0x0020
 
 /* tty driver types */
 #define TTY_DRIVER_TYPE_SYSTEM          0x0001
diff --git a/include/linux/usb/serial.h b/include/linux/usb/serial.h
index 8f891cbaf9ab..09a3e6a7518f 100644
--- a/include/linux/usb/serial.h
+++ b/include/linux/usb/serial.h
@@ -62,7 +62,7 @@
  */
 struct usb_serial_port {
         struct usb_serial       *serial;
-        struct tty_struct       *tty;
+        struct tty_port         port;
         spinlock_t              lock;
         struct mutex            mutex;
         unsigned char           number;
@@ -89,7 +89,6 @@ struct usb_serial_port {
 
         wait_queue_head_t       write_wait;
         struct work_struct      work;
-        int                     open_count;
         char                    throttled;
         char                    throttle_req;
         char                    console;
@@ -217,22 +216,27 @@ struct usb_serial_driver {
         int (*resume)(struct usb_serial *serial);
 
         /* serial function calls */
-        int  (*open)(struct usb_serial_port *port, struct file *filp);
-        void (*close)(struct usb_serial_port *port, struct file *filp);
-        int  (*write)(struct usb_serial_port *port, const unsigned char *buf,
-                      int count);
-        int  (*write_room)(struct usb_serial_port *port);
-        int  (*ioctl)(struct usb_serial_port *port, struct file *file,
+        /* Called by console with tty = NULL and by tty */
+        int  (*open)(struct tty_struct *tty,
+                        struct usb_serial_port *port, struct file *filp);
+        void (*close)(struct tty_struct *tty,
+                        struct usb_serial_port *port, struct file *filp);
+        int  (*write)(struct tty_struct *tty, struct usb_serial_port *port,
+                        const unsigned char *buf, int count);
+        /* Called only by the tty layer */
+        int  (*write_room)(struct tty_struct *tty);
+        int  (*ioctl)(struct tty_struct *tty, struct file *file,
                       unsigned int cmd, unsigned long arg);
-        void (*set_termios)(struct usb_serial_port *port, struct ktermios *old);
-        void (*break_ctl)(struct usb_serial_port *port, int break_state);
-        int  (*chars_in_buffer)(struct usb_serial_port *port);
-        void (*throttle)(struct usb_serial_port *port);
-        void (*unthrottle)(struct usb_serial_port *port);
-        int  (*tiocmget)(struct usb_serial_port *port, struct file *file);
-        int  (*tiocmset)(struct usb_serial_port *port, struct file *file,
+        void (*set_termios)(struct tty_struct *tty,
+                        struct usb_serial_port *port, struct ktermios *old);
+        void (*break_ctl)(struct tty_struct *tty, int break_state);
+        int  (*chars_in_buffer)(struct tty_struct *tty);
+        void (*throttle)(struct tty_struct *tty);
+        void (*unthrottle)(struct tty_struct *tty);
+        int  (*tiocmget)(struct tty_struct *tty, struct file *file);
+        int  (*tiocmset)(struct tty_struct *tty, struct file *file,
                          unsigned int set, unsigned int clear);
-
+        /* USB events */
         void (*read_int_callback)(struct urb *urb);
         void (*write_int_callback)(struct urb *urb);
         void (*read_bulk_callback)(struct urb *urb);
@@ -270,19 +274,19 @@ static inline void usb_serial_console_disconnect(struct usb_serial *serial) {}
 /* Functions needed by other parts of the usbserial core */
 extern struct usb_serial *usb_serial_get_by_index(unsigned int minor);
 extern void usb_serial_put(struct usb_serial *serial);
-extern int usb_serial_generic_open(struct usb_serial_port *port,
-                                   struct file *filp);
-extern int usb_serial_generic_write(struct usb_serial_port *port,
-                                    const unsigned char *buf, int count);
-extern void usb_serial_generic_close(struct usb_serial_port *port,
-                                     struct file *filp);
+extern int usb_serial_generic_open(struct tty_struct *tty,
+                struct usb_serial_port *port, struct file *filp);
+extern int usb_serial_generic_write(struct tty_struct *tty,
+        struct usb_serial_port *port, const unsigned char *buf, int count);
+extern void usb_serial_generic_close(struct tty_struct *tty,
+                        struct usb_serial_port *port, struct file *filp);
 extern int usb_serial_generic_resume(struct usb_serial *serial);
-extern int usb_serial_generic_write_room(struct usb_serial_port *port);
-extern int usb_serial_generic_chars_in_buffer(struct usb_serial_port *port);
+extern int usb_serial_generic_write_room(struct tty_struct *tty);
+extern int usb_serial_generic_chars_in_buffer(struct tty_struct *tty);
 extern void usb_serial_generic_read_bulk_callback(struct urb *urb);
 extern void usb_serial_generic_write_bulk_callback(struct urb *urb);
-extern void usb_serial_generic_throttle(struct usb_serial_port *port);
-extern void usb_serial_generic_unthrottle(struct usb_serial_port *port);
+extern void usb_serial_generic_throttle(struct tty_struct *tty);
+extern void usb_serial_generic_unthrottle(struct tty_struct *tty);
 extern void usb_serial_generic_shutdown(struct usb_serial *serial);
 extern int usb_serial_generic_register(int debug);
 extern void usb_serial_generic_deregister(void);