Merge 3.4-rc4 into tty-next

This resolves the merge problem with:
	drivers/tty/serial/pch_uart.c

Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

5 files changed, 27 insertions, 86 deletions

diff --git a/include/linux/generic_serial.h b/include/linux/generic_serial.h
index fadff28505bb..79b3eb37243a 100644
--- a/include/linux/generic_serial.h
+++ b/include/linux/generic_serial.h
@@ -4,7 +4,6 @@
  *  Copyright (C) 1998 R.E.Wolff@BitWizard.nl
  *
  *  written for the SX serial driver.
- *     Contains the code that should be shared over all the serial drivers.
  *
  *  Version 0.1 -- December, 1998.
  */
@@ -12,45 +11,8 @@
 #ifndef GENERIC_SERIAL_H
 #define GENERIC_SERIAL_H
 
-#ifdef __KERNEL__
-#include <linux/mutex.h>
-#include <linux/tty.h>
-
-struct real_driver {
-  void                    (*disable_tx_interrupts) (void *);
-  void                    (*enable_tx_interrupts) (void *);
-  void                    (*disable_rx_interrupts) (void *);
-  void                    (*enable_rx_interrupts) (void *);
-  void                    (*shutdown_port) (void*);
-  int                     (*set_real_termios) (void*);
-  int                     (*chars_in_buffer) (void*);
-  void                    (*close) (void*);
-  void                    (*hungup) (void*);
-  void                    (*getserial) (void*, struct serial_struct *sp);
-};
-
-
-
-struct gs_port {
-  int                     magic;
-  struct tty_port         port;
-  unsigned char           *xmit_buf; 
-  int                     xmit_head;
-  int                     xmit_tail;
-  int                     xmit_cnt;
-  struct mutex            port_write_mutex;
-  unsigned long           event;
-  unsigned short          closing_wait;
-  int                     close_delay;
-  struct real_driver      *rd;
-  int                     wakeup_chars;
-  int                     baud_base;
-  int                     baud;
-  int                     custom_divisor;
-  spinlock_t              driver_lock;
-};
-
-#endif /* __KERNEL__ */
+#warning Use of this header is deprecated.
+#warning Since nobody sets the constants defined here for you, you should not, in any case, use them. Including the header is thus pointless.
 
 /* Flags */
 /* Warning: serial.h defines some ASYNC_ flags, they say they are "only"
@@ -60,8 +22,6 @@ struct gs_port {
 #define GS_RX_INTEN      0x00400000
 #define GS_ACTIVE        0x00200000
 
-
-
 #define GS_TYPE_NORMAL   1
 
 #define GS_DEBUG_FLUSH   0x00000001
@@ -72,24 +32,4 @@ struct gs_port {
 #define GS_DEBUG_FLOW    0x00000020
 #define GS_DEBUG_WRITE   0x00000040
 
-#ifdef __KERNEL__
-int gs_put_char(struct tty_struct *tty, unsigned char ch);
-int  gs_write(struct tty_struct *tty, 
-             const unsigned char *buf, int count);
-int  gs_write_room(struct tty_struct *tty);
-int  gs_chars_in_buffer(struct tty_struct *tty);
-void gs_flush_buffer(struct tty_struct *tty);
-void gs_flush_chars(struct tty_struct *tty);
-void gs_stop(struct tty_struct *tty);
-void gs_start(struct tty_struct *tty);
-void gs_hangup(struct tty_struct *tty);
-int  gs_block_til_ready(void *port, struct file *filp);
-void gs_close(struct tty_struct *tty, struct file *filp);
-void gs_set_termios (struct tty_struct * tty, 
-                     struct ktermios * old_termios);
-int  gs_init_port(struct gs_port *port);
-int  gs_setserial(struct gs_port *port, struct serial_struct __user *sp);
-int  gs_getserial(struct gs_port *port, struct serial_struct __user *sp);
-void gs_got_break(struct gs_port *port);
-#endif /* __KERNEL__ */
 #endif
diff --git a/include/linux/isdn.h b/include/linux/isdn.h
index 292f27a793d4..215c41602af8 100644
--- a/include/linux/isdn.h
+++ b/include/linux/isdn.h
@@ -15,6 +15,7 @@
 #define __ISDN_H__
 
 #include <linux/ioctl.h>
+#include <linux/tty.h>
 
 #define ISDN_MAX_DRIVERS    32
 #define ISDN_MAX_CHANNELS   64
@@ -392,21 +393,8 @@ typedef struct isdn_net_dev_s {
 /*======================= Start of ISDN-tty stuff ===========================*/
 
 #define ISDN_ASYNC_MAGIC          0x49344C01 /* for paranoia-checking        */
-#define ISDN_ASYNC_INITIALIZED    0x80000000 /* port was initialized         */
-#define ISDN_ASYNC_CALLOUT_ACTIVE 0x40000000 /* Call out device active       */
-#define ISDN_ASYNC_NORMAL_ACTIVE  0x20000000 /* Normal device active         */
-#define ISDN_ASYNC_CLOSING        0x08000000 /* Serial port is closing       */
-#define ISDN_ASYNC_CTS_FLOW       0x04000000 /* Do CTS flow control          */
-#define ISDN_ASYNC_CHECK_CD       0x02000000 /* i.e., CLOCAL                 */
-#define ISDN_ASYNC_HUP_NOTIFY         0x0001 /* Notify tty on hangups/closes */
-#define ISDN_ASYNC_SESSION_LOCKOUT    0x0100 /* Lock cua opens on session    */
-#define ISDN_ASYNC_PGRP_LOCKOUT       0x0200 /* Lock cua opens on pgrp       */
-#define ISDN_ASYNC_CALLOUT_NOHUP      0x0400 /* No hangup for cui            */
-#define ISDN_ASYNC_SPLIT_TERMIOS      0x0008 /* Sep. termios for dialin/out  */
 #define ISDN_SERIAL_XMIT_SIZE           1024 /* Default bufsize for write    */
 #define ISDN_SERIAL_XMIT_MAX            4000 /* Maximum bufsize for write    */
-#define ISDN_SERIAL_TYPE_NORMAL            1
-#define ISDN_SERIAL_TYPE_CALLOUT           2
 
 #ifdef CONFIG_ISDN_AUDIO
 /* For using sk_buffs with audio we need some private variables
@@ -448,17 +436,12 @@ typedef struct atemu {
 /* Private data (similar to async_struct in <linux/serial.h>) */
 typedef struct modem_info {
   int                   magic;
-  struct module         *owner;
-  int                   flags;           /* defined in tty.h               */
+  struct tty_port       port;
   int                   x_char;          /* xon/xoff character             */
   int                   mcr;             /* Modem control register         */
   int                   msr;             /* Modem status register          */
   int                   lsr;             /* Line status register           */
   int                   line;
-  int                   count;           /* # of fd on device              */
-  int                   blocked_open;    /* # of blocked opens             */
-  long                  session;         /* Session of opening process     */
-  long                  pgrp;            /* pgrp of opening process        */
   int                   online;          /* 1 = B-Channel is up, drop data */
                                          /* 2 = B-Channel is up, deliver d.*/
   int                   dialing;         /* Dial in progress or ATA        */
@@ -478,7 +461,6 @@ typedef struct modem_info {
   int                   send_outstanding;/* # of outstanding send-requests */
   int                   xmit_size;       /* max. # of chars in xmit_buf    */
   int                   xmit_count;      /* # of chars in xmit_buf         */
-  unsigned char         *xmit_buf;       /* transmit buffer                */
   struct sk_buff_head   xmit_queue;      /* transmit queue                 */
   atomic_t              xmit_lock;       /* Semaphore for isdn_tty_write   */
 #ifdef CONFIG_ISDN_AUDIO
@@ -496,11 +478,7 @@ typedef struct modem_info {
   struct T30_s          *fax;            /* T30 Fax Group 3 data/interface */
   int                   faxonline;       /* Fax-channel status             */
 #endif
-  struct tty_struct     *tty;            /* Pointer to corresponding tty   */
   atemu                 emu;             /* AT-emulator data               */
-  struct ktermios       normal_termios;  /* For saving termios structs     */
-  struct ktermios       callout_termios;
-  wait_queue_head_t     open_wait, close_wait;
   spinlock_t            readlock;
 } modem_info;
 
diff --git a/include/linux/of_serial.h b/include/linux/of_serial.h
new file mode 100644
index 000000000000..4a73ed80b4c0
--- /dev/null
+++ b/include/linux/of_serial.h
@@ -0,0 +1,17 @@
+#ifndef __LINUX_OF_SERIAL_H
+#define __LINUX_OF_SERIAL_H
+
+/*
+ * FIXME remove this file when tegra finishes conversion to open firmware,
+ * expectation is that all quirks will then be self-contained in
+ * drivers/tty/serial/of_serial.c.
+ */
+#ifdef CONFIG_ARCH_TEGRA
+extern void tegra_serial_handle_break(struct uart_port *port);
+#else
+static inline void tegra_serial_handle_break(struct uart_port *port)
+{
+}
+#endif
+
+#endif /* __LINUX_OF_SERIAL */
diff --git a/include/linux/serial_8250.h b/include/linux/serial_8250.h
index 8f012f8ac8e9..a522fd977aad 100644
--- a/include/linux/serial_8250.h
+++ b/include/linux/serial_8250.h
@@ -38,6 +38,7 @@ struct plat_serial8250_port {
         int             (*handle_irq)(struct uart_port *);
         void            (*pm)(struct uart_port *, unsigned int state,
                               unsigned old);
+        void            (*handle_break)(struct uart_port *);
 };
 
 /*
diff --git a/include/linux/serial_core.h b/include/linux/serial_core.h
index 2db407a40051..65db9928e15f 100644
--- a/include/linux/serial_core.h
+++ b/include/linux/serial_core.h
@@ -310,6 +310,7 @@ struct uart_port {
         int                     (*handle_irq)(struct uart_port *);
         void                    (*pm)(struct uart_port *, unsigned int state,
                                       unsigned int old);
+        void                    (*handle_break)(struct uart_port *);
         unsigned int            irq;                    /* irq number */
         unsigned long           irqflags;               /* irq flags  */
         unsigned int            uartclk;                /* base uart clock */
@@ -533,6 +534,10 @@ uart_handle_sysrq_char(struct uart_port *port, unsigned int ch)
 static inline int uart_handle_break(struct uart_port *port)
 {
         struct uart_state *state = port->state;
+
+        if (port->handle_break)
+                port->handle_break(port);
+
 #ifdef SUPPORT_SYSRQ
         if (port->cons && port->cons->index == port->line) {
                 if (!port->sysrq) {