23 files changed, 374 insertions, 167 deletions

diff --git a/include/linux/ac97_codec.h b/include/linux/ac97_codec.h
index c35833824e1..2ed2fd85513 100644
--- a/include/linux/ac97_codec.h
+++ b/include/linux/ac97_codec.h
@@ -259,7 +259,7 @@ struct ac97_codec {
 	int type;
 	u32 model;
 
-	int modem:1;
+	unsigned int modem:1;
 
 	struct ac97_ops *codec_ops;
 
diff --git a/include/linux/coda_linux.h b/include/linux/coda_linux.h
index 7b5c5df5cb6..be512cc9879 100644
--- a/include/linux/coda_linux.h
+++ b/include/linux/coda_linux.h
@@ -27,8 +27,8 @@ extern struct inode_operations coda_dir_inode_operations;
 extern struct inode_operations coda_file_inode_operations;
 extern struct inode_operations coda_ioctl_inode_operations;
 
-extern struct address_space_operations coda_file_aops;
-extern struct address_space_operations coda_symlink_aops;
+extern const struct address_space_operations coda_file_aops;
+extern const struct address_space_operations coda_symlink_aops;
 
 extern const struct file_operations coda_dir_operations;
 extern const struct file_operations coda_file_operations;
diff --git a/include/linux/efs_fs.h b/include/linux/efs_fs.h
index fbfa6b52e2f..278ef449581 100644
--- a/include/linux/efs_fs.h
+++ b/include/linux/efs_fs.h
@@ -38,7 +38,7 @@ struct statfs;
 
 extern struct inode_operations efs_dir_inode_operations;
 extern const struct file_operations efs_dir_operations;
-extern struct address_space_operations efs_symlink_aops;
+extern const struct address_space_operations efs_symlink_aops;
 
 extern void efs_read_inode(struct inode *);
 extern efs_block_t efs_map_block(struct inode *, efs_block_t);
diff --git a/include/linux/fs.h b/include/linux/fs.h
index 2d8b348c119..e04a5cfe874 100644
--- a/include/linux/fs.h
+++ b/include/linux/fs.h
@@ -392,7 +392,7 @@ struct address_space {
 	unsigned int		truncate_count;	/* Cover race condition with truncate */
 	unsigned long		nrpages;	/* number of total pages */
 	pgoff_t			writeback_index;/* writeback starts here */
-	struct address_space_operations *a_ops;	/* methods */
+	const struct address_space_operations *a_ops;	/* methods */
 	unsigned long		flags;		/* error bits/gfp mask */
 	struct backing_dev_info *backing_dev_info; /* device readahead, etc */
 	spinlock_t		private_lock;	/* for use by the address_space */
@@ -1405,7 +1405,7 @@ extern void bd_forget(struct inode *inode);
 extern void bdput(struct block_device *);
 extern struct block_device *open_by_devnum(dev_t, unsigned);
 extern const struct file_operations def_blk_fops;
-extern struct address_space_operations def_blk_aops;
+extern const struct address_space_operations def_blk_aops;
 extern const struct file_operations def_chr_fops;
 extern const struct file_operations bad_sock_fops;
 extern const struct file_operations def_fifo_fops;
diff --git a/include/linux/ide.h b/include/linux/ide.h
index ef7bef207f4..0c100168c0c 100644
--- a/include/linux/ide.h
+++ b/include/linux/ide.h
@@ -793,6 +793,7 @@ typedef struct hwif_s {
 	unsigned	auto_poll  : 1; /* supports nop auto-poll */
 	unsigned	sg_mapped  : 1;	/* sg_table and sg_nents are ready */
 	unsigned	no_io_32bit : 1; /* 1 = can not do 32-bit IO ops */
+	unsigned	err_stops_fifo : 1; /* 1=data FIFO is cleared by an error */
 
 	struct device	gendev;
 	struct completion gendev_rel_comp; /* To deal with device release() */
diff --git a/include/linux/interrupt.h b/include/linux/interrupt.h
index 70741e17011..db2a63a1163 100644
--- a/include/linux/interrupt.h
+++ b/include/linux/interrupt.h
@@ -36,6 +36,20 @@ extern void free_irq(unsigned int, void *);
 extern void disable_irq_nosync(unsigned int irq);
 extern void disable_irq(unsigned int irq);
 extern void enable_irq(unsigned int irq);
+
+/* IRQ wakeup (PM) control: */
+extern int set_irq_wake(unsigned int irq, unsigned int on);
+
+static inline int enable_irq_wake(unsigned int irq)
+{
+	return set_irq_wake(irq, 1);
+}
+
+static inline int disable_irq_wake(unsigned int irq)
+{
+	return set_irq_wake(irq, 0);
+}
+
 #endif
 
 #ifndef __ARCH_SET_SOFTIRQ_PENDING
diff --git a/include/linux/ioport.h b/include/linux/ioport.h
index edfc733b157..87a9fc039b4 100644
--- a/include/linux/ioport.h
+++ b/include/linux/ioport.h
@@ -9,13 +9,15 @@
 #define _LINUX_IOPORT_H
 
 #include <linux/compiler.h>
+#include <linux/types.h>
 /*
  * Resources are tree-like, allowing
  * nesting etc..
  */
 struct resource {
+	resource_size_t start;
+	resource_size_t end;
 	const char *name;
-	unsigned long start, end;
 	unsigned long flags;
 	struct resource *parent, *sibling, *child;
 };
@@ -96,14 +98,13 @@ extern struct resource * ____request_resource(struct resource *root, struct reso
 extern int release_resource(struct resource *new);
 extern __deprecated_for_modules int insert_resource(struct resource *parent, struct resource *new);
 extern int allocate_resource(struct resource *root, struct resource *new,
-			     unsigned long size,
-			     unsigned long min, unsigned long max,
-			     unsigned long align,
+			     resource_size_t size, resource_size_t min,
+			     resource_size_t max, resource_size_t align,
 			     void (*alignf)(void *, struct resource *,
-					    unsigned long, unsigned long),
+					    resource_size_t, resource_size_t),
 			     void *alignf_data);
-int adjust_resource(struct resource *res, unsigned long start,
-		    unsigned long size);
+int adjust_resource(struct resource *res, resource_size_t start,
+		    resource_size_t size);
 
 /* get registered SYSTEM_RAM resources in specified area */
 extern int find_next_system_ram(struct resource *res);
@@ -113,17 +114,21 @@ extern int find_next_system_ram(struct resource *res);
 #define request_mem_region(start,n,name) __request_region(&iomem_resource, (start), (n), (name))
 #define rename_region(region, newname) do { (region)->name = (newname); } while (0)
 
-extern struct resource * __request_region(struct resource *, unsigned long start, unsigned long n, const char *name);
+extern struct resource * __request_region(struct resource *,
+					resource_size_t start,
+					resource_size_t n, const char *name);
 
 /* Compatibility cruft */
 #define release_region(start,n)	__release_region(&ioport_resource, (start), (n))
 #define check_mem_region(start,n)	__check_region(&iomem_resource, (start), (n))
 #define release_mem_region(start,n)	__release_region(&iomem_resource, (start), (n))
 
-extern int __check_region(struct resource *, unsigned long, unsigned long);
-extern void __release_region(struct resource *, unsigned long, unsigned long);
+extern int __check_region(struct resource *, resource_size_t, resource_size_t);
+extern void __release_region(struct resource *, resource_size_t,
+				resource_size_t);
 
-static inline int __deprecated check_region(unsigned long s, unsigned long n)
+static inline int __deprecated check_region(resource_size_t s,
+						resource_size_t n)
 {
 	return __check_region(&ioport_resource, s, n);
 }
diff --git a/include/linux/irq.h b/include/linux/irq.h
index 676e00dfb21..0832149cdb1 100644
--- a/include/linux/irq.h
+++ b/include/linux/irq.h
@@ -1,5 +1,5 @@
-#ifndef __irq_h
-#define __irq_h
+#ifndef _LINUX_IRQ_H
+#define _LINUX_IRQ_H
 
 /*
  * Please do not include this file in generic code.  There is currently
@@ -11,7 +11,7 @@
 
 #include <linux/smp.h>
 
-#if !defined(CONFIG_S390)
+#ifndef CONFIG_S390
 
 #include <linux/linkage.h>
 #include <linux/cache.h>
@@ -33,75 +33,160 @@
 #define IRQ_WAITING	32	/* IRQ not yet seen - for autodetection */
 #define IRQ_LEVEL	64	/* IRQ level triggered */
 #define IRQ_MASKED	128	/* IRQ masked - shouldn't be seen again */
-#if defined(ARCH_HAS_IRQ_PER_CPU)
+#ifdef CONFIG_IRQ_PER_CPU
 # define IRQ_PER_CPU	256	/* IRQ is per CPU */
 # define CHECK_IRQ_PER_CPU(var) ((var) & IRQ_PER_CPU)
 #else
 # define CHECK_IRQ_PER_CPU(var) 0
 #endif
 
+#define IRQ_NOPROBE	512	/* IRQ is not valid for probing */
+#define IRQ_NOREQUEST	1024	/* IRQ cannot be requested */
+#define IRQ_NOAUTOEN	2048	/* IRQ will not be enabled on request irq */
+#define IRQ_DELAYED_DISABLE \
+			4096	/* IRQ disable (masking) happens delayed. */
+
 /*
- * Interrupt controller descriptor. This is all we need
- * to describe about the low-level hardware. 
+ * IRQ types, see also include/linux/interrupt.h
  */
-struct hw_interrupt_type {
-	const char * typename;
-	unsigned int (*startup)(unsigned int irq);
-	void (*shutdown)(unsigned int irq);
-	void (*enable)(unsigned int irq);
-	void (*disable)(unsigned int irq);
-	void (*ack)(unsigned int irq);
-	void (*end)(unsigned int irq);
-	void (*set_affinity)(unsigned int irq, cpumask_t dest);
+#define IRQ_TYPE_NONE		0x0000		/* Default, unspecified type */
+#define IRQ_TYPE_EDGE_RISING	0x0001		/* Edge rising type */
+#define IRQ_TYPE_EDGE_FALLING	0x0002		/* Edge falling type */
+#define IRQ_TYPE_EDGE_BOTH (IRQ_TYPE_EDGE_FALLING | IRQ_TYPE_EDGE_RISING)
+#define IRQ_TYPE_LEVEL_HIGH	0x0004		/* Level high type */
+#define IRQ_TYPE_LEVEL_LOW	0x0008		/* Level low type */
+#define IRQ_TYPE_SENSE_MASK	0x000f		/* Mask of the above */
+#define IRQ_TYPE_SIMPLE		0x0010		/* Simple type */
+#define IRQ_TYPE_PERCPU		0x0020		/* Per CPU type */
+#define IRQ_TYPE_PROBE		0x0040		/* Probing in progress */
+
+struct proc_dir_entry;
+
+/**
+ * struct irq_chip - hardware interrupt chip descriptor
+ *
+ * @name:		name for /proc/interrupts
+ * @startup:		start up the interrupt (defaults to ->enable if NULL)
+ * @shutdown:		shut down the interrupt (defaults to ->disable if NULL)
+ * @enable:		enable the interrupt (defaults to chip->unmask if NULL)
+ * @disable:		disable the interrupt (defaults to chip->mask if NULL)
+ * @ack:		start of a new interrupt
+ * @mask:		mask an interrupt source
+ * @mask_ack:		ack and mask an interrupt source
+ * @unmask:		unmask an interrupt source
+ * @eoi:		end of interrupt - chip level
+ * @end:		end of interrupt - flow level
+ * @set_affinity:	set the CPU affinity on SMP machines
+ * @retrigger:		resend an IRQ to the CPU
+ * @set_type:		set the flow type (IRQ_TYPE_LEVEL/etc.) of an IRQ
+ * @set_wake:		enable/disable power-management wake-on of an IRQ
+ *
+ * @release:		release function solely used by UML
+ * @typename:		obsoleted by name, kept as migration helper
+ */
+struct irq_chip {
+	const char	*name;
+	unsigned int	(*startup)(unsigned int irq);
+	void		(*shutdown)(unsigned int irq);
+	void		(*enable)(unsigned int irq);
+	void		(*disable)(unsigned int irq);
+
+	void		(*ack)(unsigned int irq);
+	void		(*mask)(unsigned int irq);
+	void		(*mask_ack)(unsigned int irq);
+	void		(*unmask)(unsigned int irq);
+	void		(*eoi)(unsigned int irq);
+
+	void		(*end)(unsigned int irq);
+	void		(*set_affinity)(unsigned int irq, cpumask_t dest);
+	int		(*retrigger)(unsigned int irq);
+	int		(*set_type)(unsigned int irq, unsigned int flow_type);
+	int		(*set_wake)(unsigned int irq, unsigned int on);
+
 	/* Currently used only by UML, might disappear one day.*/
 #ifdef CONFIG_IRQ_RELEASE_METHOD
-	void (*release)(unsigned int irq, void *dev_id);
+	void		(*release)(unsigned int irq, void *dev_id);
 #endif
+	/*
+	 * For compatibility, ->typename is copied into ->name.
+	 * Will disappear.
+	 */
+	const char	*typename;
 };
 
-typedef struct hw_interrupt_type  hw_irq_controller;
-
-/*
- * This is the "IRQ descriptor", which contains various information
- * about the irq, including what kind of hardware handling it has,
- * whether it is disabled etc etc.
+/**
+ * struct irq_desc - interrupt descriptor
+ *
+ * @handle_irq:		highlevel irq-events handler [if NULL, __do_IRQ()]
+ * @chip:		low level interrupt hardware access
+ * @handler_data:	per-IRQ data for the irq_chip methods
+ * @chip_data:		platform-specific per-chip private data for the chip
+ *			methods, to allow shared chip implementations
+ * @action:		the irq action chain
+ * @status:		status information
+ * @depth:		disable-depth, for nested irq_disable() calls
+ * @irq_count:		stats field to detect stalled irqs
+ * @irqs_unhandled:	stats field for spurious unhandled interrupts
+ * @lock:		locking for SMP
+ * @affinity:		IRQ affinity on SMP
+ * @cpu:		cpu index useful for balancing
+ * @pending_mask:	pending rebalanced interrupts
+ * @move_irq:		need to re-target IRQ destination
+ * @dir:		/proc/irq/ procfs entry
+ * @affinity_entry:	/proc/irq/smp_affinity procfs entry on SMP
  *
  * Pad this out to 32 bytes for cache and indexing reasons.
  */
-typedef struct irq_desc {
-	hw_irq_controller *handler;
-	void *handler_data;
-	struct irqaction *action;	/* IRQ action list */
-	unsigned int status;		/* IRQ status */
-	unsigned int depth;		/* nested irq disables */
-	unsigned int irq_count;		/* For detecting broken interrupts */
-	unsigned int irqs_unhandled;
-	spinlock_t lock;
-#if defined (CONFIG_GENERIC_PENDING_IRQ) || defined (CONFIG_IRQBALANCE)
-	unsigned int move_irq;		/* Flag need to re-target intr dest*/
+struct irq_desc {
+	void fastcall		(*handle_irq)(unsigned int irq,
+					      struct irq_desc *desc,
+					      struct pt_regs *regs);
+	struct irq_chip		*chip;
+	void			*handler_data;
+	void			*chip_data;
+	struct irqaction	*action;	/* IRQ action list */
+	unsigned int		status;		/* IRQ status */
+
+	unsigned int		depth;		/* nested irq disables */
+	unsigned int		irq_count;	/* For detecting broken IRQs */
+	unsigned int		irqs_unhandled;
+	spinlock_t		lock;
+#ifdef CONFIG_SMP
+	cpumask_t		affinity;
+	unsigned int		cpu;
+#endif
+#if defined(CONFIG_GENERIC_PENDING_IRQ) || defined(CONFIG_IRQBALANCE)
+	cpumask_t		pending_mask;
+	unsigned int		move_irq;	/* need to re-target IRQ dest */
 #endif
-} ____cacheline_aligned irq_desc_t;
+#ifdef CONFIG_PROC_FS
+	struct proc_dir_entry *dir;
+#endif
+} ____cacheline_aligned;
 
-extern irq_desc_t irq_desc [NR_IRQS];
+extern struct irq_desc irq_desc[NR_IRQS];
 
-/* Return a pointer to the irq descriptor for IRQ.  */
-static inline irq_desc_t *
-irq_descp (int irq)
-{
-	return irq_desc + irq;
-}
+/*
+ * Migration helpers for obsolete names, they will go away:
+ */
+#define hw_interrupt_type	irq_chip
+typedef struct irq_chip		hw_irq_controller;
+#define no_irq_type		no_irq_chip
+typedef struct irq_desc		irq_desc_t;
 
-#include <asm/hw_irq.h> /* the arch dependent stuff */
+/*
+ * Pick up the arch-dependent methods:
+ */
+#include <asm/hw_irq.h>
 
-extern int setup_irq(unsigned int irq, struct irqaction * new);
+extern int setup_irq(unsigned int irq, struct irqaction *new);
 
 #ifdef CONFIG_GENERIC_HARDIRQS
-extern cpumask_t irq_affinity[NR_IRQS];
 
 #ifdef CONFIG_SMP
 static inline void set_native_irq_info(int irq, cpumask_t mask)
 {
-	irq_affinity[irq] = mask;
+	irq_desc[irq].affinity = mask;
 }
 #else
 static inline void set_native_irq_info(int irq, cpumask_t mask)
@@ -111,8 +196,7 @@ static inline void set_native_irq_info(int irq, cpumask_t mask)
 
 #ifdef CONFIG_SMP
 
-#if defined (CONFIG_GENERIC_PENDING_IRQ) || defined (CONFIG_IRQBALANCE)
-extern cpumask_t pending_irq_cpumask[NR_IRQS];
+#if defined(CONFIG_GENERIC_PENDING_IRQ) || defined(CONFIG_IRQBALANCE)
 
 void set_pending_irq(unsigned int irq, cpumask_t mask);
 void move_native_irq(int irq);
@@ -133,7 +217,7 @@ static inline void set_irq_info(int irq, cpumask_t mask)
 {
 }
 
-#else // CONFIG_PCI_MSI
+#else /* CONFIG_PCI_MSI */
 
 static inline void move_irq(int irq)
 {
@@ -144,26 +228,36 @@ static inline void set_irq_info(int irq, cpumask_t mask)
 {
 	set_native_irq_info(irq, mask);
 }
-#endif // CONFIG_PCI_MSI
 
-#else	// CONFIG_GENERIC_PENDING_IRQ || CONFIG_IRQBALANCE
+#endif /* CONFIG_PCI_MSI */
+
+#else /* CONFIG_GENERIC_PENDING_IRQ || CONFIG_IRQBALANCE */
+
+static inline void move_irq(int irq)
+{
+}
+
+static inline void move_native_irq(int irq)
+{
+}
+
+static inline void set_pending_irq(unsigned int irq, cpumask_t mask)
+{
+}
 
-#define move_irq(x)
-#define move_native_irq(x)
-#define set_pending_irq(x,y)
 static inline void set_irq_info(int irq, cpumask_t mask)
 {
 	set_native_irq_info(irq, mask);
 }
 
-#endif // CONFIG_GENERIC_PENDING_IRQ
+#endif /* CONFIG_GENERIC_PENDING_IRQ */
 
-#else // CONFIG_SMP
+#else /* CONFIG_SMP */
 
 #define move_irq(x)
 #define move_native_irq(x)
 
-#endif // CONFIG_SMP
+#endif /* CONFIG_SMP */
 
 #ifdef CONFIG_IRQBALANCE
 extern void set_balance_irq_affinity(unsigned int irq, cpumask_t mask);
@@ -173,32 +267,138 @@ static inline void set_balance_irq_affinity(unsigned int irq, cpumask_t mask)
 }
 #endif
 
+#ifdef CONFIG_AUTO_IRQ_AFFINITY
+extern int select_smp_affinity(unsigned int irq);
+#else
+static inline int select_smp_affinity(unsigned int irq)
+{
+	return 1;
+}
+#endif
+
 extern int no_irq_affinity;
-extern int noirqdebug_setup(char *str);
 
-extern fastcall irqreturn_t handle_IRQ_event(unsigned int irq, struct pt_regs *regs,
-					struct irqaction *action);
+/* Handle irq action chains: */
+extern int handle_IRQ_event(unsigned int irq, struct pt_regs *regs,
+			    struct irqaction *action);
+
+/*
+ * Built-in IRQ handlers for various IRQ types,
+ * callable via desc->chip->handle_irq()
+ */
+extern void fastcall
+handle_level_irq(unsigned int irq, struct irq_desc *desc, struct pt_regs *regs);
+extern void fastcall
+handle_fasteoi_irq(unsigned int irq, struct irq_desc *desc,
+			 struct pt_regs *regs);
+extern void fastcall
+handle_edge_irq(unsigned int irq, struct irq_desc *desc, struct pt_regs *regs);
+extern void fastcall
+handle_simple_irq(unsigned int irq, struct irq_desc *desc,
+		  struct pt_regs *regs);
+extern void fastcall
+handle_percpu_irq(unsigned int irq, struct irq_desc *desc,
+		  struct pt_regs *regs);
+extern void fastcall
+handle_bad_irq(unsigned int irq, struct irq_desc *desc, struct pt_regs *regs);
+
+/*
+ * Get a descriptive string for the highlevel handler, for
+ * /proc/interrupts output:
+ */
+extern const char *
+handle_irq_name(void fastcall (*handle)(unsigned int, struct irq_desc *,
+					struct pt_regs *));
+
+/*
+ * Monolithic do_IRQ implementation.
+ * (is an explicit fastcall, because i386 4KSTACKS calls it from assembly)
+ */
 extern fastcall unsigned int __do_IRQ(unsigned int irq, struct pt_regs *regs);
-extern void note_interrupt(unsigned int irq, irq_desc_t *desc,
-					int action_ret, struct pt_regs *regs);
-extern int can_request_irq(unsigned int irq, unsigned long irqflags);
 
+/*
+ * Architectures call this to let the generic IRQ layer
+ * handle an interrupt. If the descriptor is attached to an
+ * irqchip-style controller then we call the ->handle_irq() handler,
+ * and it calls __do_IRQ() if it's attached to an irqtype-style controller.
+ */
+static inline void generic_handle_irq(unsigned int irq, struct pt_regs *regs)
+{
+	struct irq_desc *desc = irq_desc + irq;
+
+	if (likely(desc->handle_irq))
+		desc->handle_irq(irq, desc, regs);
+	else
+		__do_IRQ(irq, regs);
+}
+
+/* Handling of unhandled and spurious interrupts: */
+extern void note_interrupt(unsigned int irq, struct irq_desc *desc,
+			   int action_ret, struct pt_regs *regs);
+
+/* Resending of interrupts :*/
+void check_irq_resend(struct irq_desc *desc, unsigned int irq);
+
+/* Initialize /proc/irq/ */
 extern void init_irq_proc(void);
 
-#ifdef CONFIG_AUTO_IRQ_AFFINITY
-extern int select_smp_affinity(unsigned int irq);
-#else
-static inline int
-select_smp_affinity(unsigned int irq)
+/* Enable/disable irq debugging output: */
+extern int noirqdebug_setup(char *str);
+
+/* Checks whether the interrupt can be requested by request_irq(): */
+extern int can_request_irq(unsigned int irq, unsigned long irqflags);
+
+/* Dummy irq-chip implementation: */
+extern struct irq_chip no_irq_chip;
+
+extern void
+set_irq_chip_and_handler(unsigned int irq, struct irq_chip *chip,
+			 void fastcall (*handle)(unsigned int,
+						 struct irq_desc *,
+						 struct pt_regs *));
+extern void
+__set_irq_handler(unsigned int irq,
+		  void fastcall (*handle)(unsigned int, struct irq_desc *,
+					  struct pt_regs *),
+		  int is_chained);
+
+/*
+ * Set a highlevel flow handler for a given IRQ:
+ */
+static inline void
+set_irq_handler(unsigned int irq,
+		void fastcall (*handle)(unsigned int, struct irq_desc *,
+					struct pt_regs *))
 {
-	return 1;
+	__set_irq_handler(irq, handle, 0);
 }
-#endif
 
-#endif
+/*
+ * Set a highlevel chained flow handler for a given IRQ.
+ * (a chained handler is automatically enabled and set to
+ *  IRQ_NOREQUEST and IRQ_NOPROBE)
+ */
+static inline void
+set_irq_chained_handler(unsigned int irq,
+			void fastcall (*handle)(unsigned int, struct irq_desc *,
+						struct pt_regs *))
+{
+	__set_irq_handler(irq, handle, 1);
+}
 
-extern hw_irq_controller no_irq_type;  /* needed in every arch ? */
+/* Set/get chip/data for an IRQ: */
 
-#endif
+extern int set_irq_chip(unsigned int irq, struct irq_chip *chip);
+extern int set_irq_data(unsigned int irq, void *data);
+extern int set_irq_chip_data(unsigned int irq, void *data);
+extern int set_irq_type(unsigned int irq, unsigned int type);
+
+#define get_irq_chip(irq)	(irq_desc[irq].chip)
+#define get_irq_chip_data(irq)	(irq_desc[irq].chip_data)
+#define get_irq_data(irq)	(irq_desc[irq].handler_data)
+
+#endif /* CONFIG_GENERIC_HARDIRQS */
+
+#endif /* !CONFIG_S390 */
 
-#endif /* __irq_h */
+#endif /* _LINUX_IRQ_H */
diff --git a/include/linux/isdn/tpam.h b/include/linux/isdn/tpam.h
deleted file mode 100644
index d18dd0dc570..00000000000
--- a/include/linux/isdn/tpam.h
+++ /dev/null
@@ -1,55 +0,0 @@
-/* $Id: tpam.h,v 1.1.2.1 2001/06/08 08:23:46 kai Exp $
- *
- * Turbo PAM ISDN driver for Linux. (Kernel Driver)
- *
- * Copyright 2001 Stelian Pop <stelian.pop@fr.alcove.com>, Alcôve
- *
- * For all support questions please contact: <support@auvertech.fr>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2, or (at your option)
- * any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
- *
- */
-
-#ifndef _TPAM_H_
-#define _TPAM_H_
-
-#include <linux/types.h>
-
-/* IOCTL commands */
-#define TPAM_CMD_DSPLOAD	0x0001
-#define TPAM_CMD_DSPSAVE	0x0002
-#define TPAM_CMD_DSPRUN		0x0003
-#define TPAM_CMD_LOOPMODEON	0x0004
-#define TPAM_CMD_LOOPMODEOFF	0x0005
-
-/* addresses of debug information zones on board */
-#define TPAM_TRAPAUDIT_REGISTER		0x005493e4
-#define TPAM_NCOAUDIT_REGISTER		0x00500000
-#define TPAM_MSGAUDIT_REGISTER		0x008E30F0
-
-/* length of debug information zones on board */
-#define TPAM_TRAPAUDIT_LENGTH		10000
-#define TPAM_NCOAUDIT_LENGTH		300000
-#define TPAM_NCOAUDIT_COUNT		30
-#define TPAM_MSGAUDIT_LENGTH		60000
-
-/* IOCTL load/save parameter */
-typedef struct tpam_dsp_ioctl {
-	__u32 address;	/* address to load/save data */
-	__u32 data_len;	/* size of data to be loaded/saved */
-	__u8 data[0];	/* data */
-} tpam_dsp_ioctl;
-
-#endif /* _TPAM_H_ */
diff --git a/include/linux/kbd_kern.h b/include/linux/kbd_kern.h
index 4eb851ece08..efe0ee4cc80 100644
--- a/include/linux/kbd_kern.h
+++ b/include/linux/kbd_kern.h
@@ -155,10 +155,8 @@ static inline void con_schedule_flip(struct tty_struct *t)
 {
 	unsigned long flags;
 	spin_lock_irqsave(&t->buf.lock, flags);
-	if (t->buf.tail != NULL) {
-		t->buf.tail->active = 0;
+	if (t->buf.tail != NULL)
 		t->buf.tail->commit = t->buf.tail->used;
-	}
 	spin_unlock_irqrestore(&t->buf.lock, flags);
 	schedule_work(&t->buf.work);
 }
diff --git a/include/linux/key.h b/include/linux/key.h
index e693e729bc9..169f05e4863 100644
--- a/include/linux/key.h
+++ b/include/linux/key.h
@@ -177,7 +177,8 @@ struct key {
 /*
  * kernel managed key type definition
  */
-typedef int (*request_key_actor_t)(struct key *key, struct key *authkey, const char *op);
+typedef int (*request_key_actor_t)(struct key *key, struct key *authkey,
+				   const char *op, void *aux);
 
 struct key_type {
 	/* name of the type */
@@ -285,6 +286,11 @@ extern struct key *request_key(struct key_type *type,
 			       const char *description,
 			       const char *callout_info);
 
+extern struct key *request_key_with_auxdata(struct key_type *type,
+					    const char *description,
+					    const char *callout_info,
+					    void *aux);
+
 extern int key_validate(struct key *key);
 
 extern key_ref_t key_create_or_update(key_ref_t keyring,
diff --git a/include/linux/module.h b/include/linux/module.h
index 9ebbb74b7b7..9e9dc7c24d9 100644
--- a/include/linux/module.h
+++ b/include/linux/module.h
@@ -203,6 +203,15 @@ void *__symbol_get_gpl(const char *symbol);
 #define EXPORT_SYMBOL_GPL_FUTURE(sym)				\
 	__EXPORT_SYMBOL(sym, "_gpl_future")
 
+
+#ifdef CONFIG_UNUSED_SYMBOLS
+#define EXPORT_UNUSED_SYMBOL(sym) __EXPORT_SYMBOL(sym, "_unused")
+#define EXPORT_UNUSED_SYMBOL_GPL(sym) __EXPORT_SYMBOL(sym, "_unused_gpl")
+#else
+#define EXPORT_UNUSED_SYMBOL(sym)
+#define EXPORT_UNUSED_SYMBOL_GPL(sym)
+#endif
+
 #endif
 
 struct module_ref
@@ -261,6 +270,15 @@ struct module
 	unsigned int num_gpl_syms;
 	const unsigned long *gpl_crcs;
 
+	/* unused exported symbols. */
+	const struct kernel_symbol *unused_syms;
+	unsigned int num_unused_syms;
+	const unsigned long *unused_crcs;
+	/* GPL-only, unused exported symbols. */
+	const struct kernel_symbol *unused_gpl_syms;
+	unsigned int num_unused_gpl_syms;
+	const unsigned long *unused_gpl_crcs;
+
 	/* symbols that will be GPL-only in the near future. */
 	const struct kernel_symbol *gpl_future_syms;
 	unsigned int num_gpl_future_syms;
@@ -456,6 +474,8 @@ void module_remove_driver(struct device_driver *);
 #define EXPORT_SYMBOL(sym)
 #define EXPORT_SYMBOL_GPL(sym)
 #define EXPORT_SYMBOL_GPL_FUTURE(sym)
+#define EXPORT_UNUSED_SYMBOL(sym)
+#define EXPORT_UNUSED_SYMBOL_GPL(sym)
 
 /* Given an address, look for it in the exception tables. */
 static inline const struct exception_table_entry *
diff --git a/include/linux/nfs_fs.h b/include/linux/nfs_fs.h
index 0a1740b2532..d90b1bb3756 100644
--- a/include/linux/nfs_fs.h
+++ b/include/linux/nfs_fs.h
@@ -335,7 +335,7 @@ extern struct inode_operations nfs_file_inode_operations;
 extern struct inode_operations nfs3_file_inode_operations;
 #endif /* CONFIG_NFS_V3 */
 extern const struct file_operations nfs_file_operations;
-extern struct address_space_operations nfs_file_aops;
+extern const struct address_space_operations nfs_file_aops;
 
 static inline struct rpc_cred *nfs_file_cred(struct file *file)
 {
diff --git a/include/linux/pci.h b/include/linux/pci.h
index 62a8c22f5f6..983fca251b2 100644
--- a/include/linux/pci.h
+++ b/include/linux/pci.h
@@ -404,8 +404,8 @@ int pcibios_enable_device(struct pci_dev *, int mask);
 char *pcibios_setup (char *str);
 
 /* Used only when drivers/pci/setup.c is used */
-void pcibios_align_resource(void *, struct resource *,
-			    unsigned long, unsigned long);
+void pcibios_align_resource(void *, struct resource *, resource_size_t,
+				resource_size_t);
 void pcibios_update_irq(struct pci_dev *, int irq);
 
 /* Generic PCI functions used internally */
@@ -532,10 +532,10 @@ void pci_release_region(struct pci_dev *, int);
 
 /* drivers/pci/bus.c */
 int pci_bus_alloc_resource(struct pci_bus *bus, struct resource *res,
-			   unsigned long size, unsigned long align,
-			   unsigned long min, unsigned int type_mask,
+			   resource_size_t size, resource_size_t align,
+			   resource_size_t min, unsigned int type_mask,
 			   void (*alignf)(void *, struct resource *,
-					  unsigned long, unsigned long),
+					  resource_size_t, resource_size_t),
 			   void *alignf_data);
 void pci_enable_bridges(struct pci_bus *bus);
 
@@ -730,7 +730,8 @@ static inline char *pci_name(struct pci_dev *pdev)
  */
 #ifndef HAVE_ARCH_PCI_RESOURCE_TO_USER
 static inline void pci_resource_to_user(const struct pci_dev *dev, int bar,
-                const struct resource *rsrc, u64 *start, u64 *end)
+                const struct resource *rsrc, resource_size_t *start,
+		resource_size_t *end)
 {
 	*start = rsrc->start;
 	*end = rsrc->end;
diff --git a/include/linux/plist.h b/include/linux/plist.h
index 3404faef542..b95818a037a 100644
--- a/include/linux/plist.h
+++ b/include/linux/plist.h
@@ -73,6 +73,7 @@
 #ifndef _LINUX_PLIST_H_
 #define _LINUX_PLIST_H_
 
+#include <linux/kernel.h>
 #include <linux/list.h>
 #include <linux/spinlock_types.h>
 
diff --git a/include/linux/pnp.h b/include/linux/pnp.h
index 93b0959eb40..ab8a8dd8d64 100644
--- a/include/linux/pnp.h
+++ b/include/linux/pnp.h
@@ -389,7 +389,8 @@ int pnp_start_dev(struct pnp_dev *dev);
 int pnp_stop_dev(struct pnp_dev *dev);
 int pnp_activate_dev(struct pnp_dev *dev);
 int pnp_disable_dev(struct pnp_dev *dev);
-void pnp_resource_change(struct resource *resource, unsigned long start, unsigned long size);
+void pnp_resource_change(struct resource *resource, resource_size_t start,
+				resource_size_t size);
 
 /* protocol helpers */
 int pnp_is_active(struct pnp_dev * dev);
@@ -434,7 +435,9 @@ static inline int pnp_start_dev(struct pnp_dev *dev) { return -ENODEV; }
 static inline int pnp_stop_dev(struct pnp_dev *dev) { return -ENODEV; }
 static inline int pnp_activate_dev(struct pnp_dev *dev) { return -ENODEV; }
 static inline int pnp_disable_dev(struct pnp_dev *dev) { return -ENODEV; }
-static inline void pnp_resource_change(struct resource *resource, unsigned long start, unsigned long size) { }
+static inline void pnp_resource_change(struct resource *resource,
+					resource_size_t start,
+					resource_size_t size) { }
 
 /* protocol helpers */
 static inline int pnp_is_active(struct pnp_dev * dev) { return 0; }
diff --git a/include/linux/reiserfs_fs.h b/include/linux/reiserfs_fs.h
index 5676c4210e2..daa2d83cefe 100644
--- a/include/linux/reiserfs_fs.h
+++ b/include/linux/reiserfs_fs.h
@@ -1973,7 +1973,7 @@ void reiserfs_unmap_buffer(struct buffer_head *);
 /* file.c */
 extern struct inode_operations reiserfs_file_inode_operations;
 extern const struct file_operations reiserfs_file_operations;
-extern struct address_space_operations reiserfs_address_space_operations;
+extern const struct address_space_operations reiserfs_address_space_operations;
 
 /* fix_nodes.c */
 
diff --git a/include/linux/spi/spi.h b/include/linux/spi/spi.h
index e928c0dcc29..c8bb68099eb 100644
--- a/include/linux/spi/spi.h
+++ b/include/linux/spi/spi.h
@@ -642,10 +642,14 @@ struct spi_board_info {
 	u16		bus_num;
 	u16		chip_select;
 
+	/* mode becomes spi_device.mode, and is essential for chips
+	 * where the default of SPI_CS_HIGH = 0 is wrong.
+	 */
+	u8		mode;
+
 	/* ... may need additional spi_device chip config data here.
 	 * avoid stuff protocol drivers can set; but include stuff
 	 * needed to behave without being bound to a driver:
-	 *  - chipselect polarity
 	 *  - quirks like clock rate mattering when not selected
 	 */
 };
diff --git a/include/linux/tty.h b/include/linux/tty.h
index cb35ca50a0a..b3b807e4b05 100644
--- a/include/linux/tty.h
+++ b/include/linux/tty.h
@@ -57,7 +57,6 @@ struct tty_buffer {
 	unsigned char *flag_buf_ptr;
 	int used;
 	int size;
-	int active;
 	int commit;
 	int read;
 	/* Data points here */
@@ -259,7 +258,6 @@ struct tty_struct {
 #define TTY_DO_WRITE_WAKEUP 	5	/* Call write_wakeup after queuing new */
 #define TTY_PUSH 		6	/* n_tty private */
 #define TTY_CLOSING 		7	/* ->close() in progress */
-#define TTY_DONT_FLIP 		8	/* Defer buffer flip */
 #define TTY_LDISC 		9	/* Line discipline attached */
 #define TTY_HW_COOK_OUT 	14	/* Hardware can do output cooking */
 #define TTY_HW_COOK_IN 		15	/* Hardware can do input cooking */
diff --git a/include/linux/tty_flip.h b/include/linux/tty_flip.h
index 31548303ee3..eb677cf5610 100644
--- a/include/linux/tty_flip.h
+++ b/include/linux/tty_flip.h
@@ -12,7 +12,7 @@ static inline int tty_insert_flip_char(struct tty_struct *tty,
 					unsigned char ch, char flag)
 {
 	struct tty_buffer *tb = tty->buf.tail;
-	if (tb && tb->active && tb->used < tb->size) {
+	if (tb && tb->used < tb->size) {
 		tb->flag_buf_ptr[tb->used] = flag;
 		tb->char_buf_ptr[tb->used++] = ch;
 		return 1;
diff --git a/include/linux/types.h b/include/linux/types.h
index a5e46e783ff..3f235660a3c 100644
--- a/include/linux/types.h
+++ b/include/linux/types.h
@@ -177,8 +177,15 @@ typedef __u64 __bitwise __be64;
 
 #ifdef __KERNEL__
 typedef unsigned __bitwise__ gfp_t;
+
+#ifdef CONFIG_RESOURCES_64BIT
+typedef u64 resource_size_t;
+#else
+typedef u32 resource_size_t;
 #endif
 
+#endif	/* __KERNEL__ */
+
 struct ustat {
 	__kernel_daddr_t	f_tfree;
 	__kernel_ino_t		f_tinode;
diff --git a/include/linux/ufs_fs.h b/include/linux/ufs_fs.h
index 914f911325b..e39b7cc4339 100644
--- a/include/linux/ufs_fs.h
+++ b/include/linux/ufs_fs.h
@@ -966,7 +966,7 @@ extern void ufs_set_link(struct inode *dir, struct ufs_dir_entry *de,
 extern struct inode_operations ufs_file_inode_operations;
 extern const struct file_operations ufs_file_operations;
 
-extern struct address_space_operations ufs_aops;
+extern const struct address_space_operations ufs_aops;
 
 /* ialloc.c */
 extern void ufs_free_inode (struct inode *inode);
diff --git a/include/linux/watchdog.h b/include/linux/watchdog.h
index 1192ed8f4fe..011bcfeb9f0 100644
--- a/include/linux/watchdog.h
+++ b/include/linux/watchdog.h
@@ -28,6 +28,9 @@ struct watchdog_info {
 #define	WDIOC_KEEPALIVE		_IOR(WATCHDOG_IOCTL_BASE, 5, int)
 #define	WDIOC_SETTIMEOUT        _IOWR(WATCHDOG_IOCTL_BASE, 6, int)
 #define	WDIOC_GETTIMEOUT        _IOR(WATCHDOG_IOCTL_BASE, 7, int)
+#define	WDIOC_SETPRETIMEOUT	_IOWR(WATCHDOG_IOCTL_BASE, 8, int)
+#define	WDIOC_GETPRETIMEOUT	_IOR(WATCHDOG_IOCTL_BASE, 9, int)
+#define	WDIOC_GETTIMELEFT	_IOR(WATCHDOG_IOCTL_BASE, 10, int)
 
 #define	WDIOF_UNKNOWN		-1	/* Unknown flag error */
 #define	WDIOS_UNKNOWN		-1	/* Unknown status error */
@@ -38,9 +41,10 @@ struct watchdog_info {
 #define	WDIOF_EXTERN2		0x0008	/* External relay 2 */
 #define	WDIOF_POWERUNDER	0x0010	/* Power bad/power fault */
 #define	WDIOF_CARDRESET		0x0020	/* Card previously reset the CPU */
-#define WDIOF_POWEROVER		0x0040	/* Power over voltage */
-#define WDIOF_SETTIMEOUT	0x0080  /* Set timeout (in seconds) */
-#define WDIOF_MAGICCLOSE	0x0100	/* Supports magic close char */
+#define	WDIOF_POWEROVER		0x0040	/* Power over voltage */
+#define	WDIOF_SETTIMEOUT	0x0080  /* Set timeout (in seconds) */
+#define	WDIOF_MAGICCLOSE	0x0100	/* Supports magic close char */
+#define	WDIOF_PRETIMEOUT	0x0200  /* Pretimeout (in seconds), get/set */
 #define	WDIOF_KEEPALIVEPING	0x8000	/* Keep alive ping reply */
 
 #define	WDIOS_DISABLECARD	0x0001	/* Turn off the watchdog timer */