Merge ../torvalds-2.6/

7 files changed, 54 insertions, 81 deletions

diff --git a/include/asm-ppc/irq.h b/include/asm-ppc/irq.h
index b4b270457ed..55752474d0d 100644
--- a/include/asm-ppc/irq.h
+++ b/include/asm-ppc/irq.h
@@ -404,9 +404,5 @@ extern unsigned long ppc_cached_irq_mask[NR_MASK_WORDS];
 extern unsigned long ppc_lost_interrupts[NR_MASK_WORDS];
 extern atomic_t ppc_n_lost_interrupts;
 
-struct irqaction;
-struct pt_regs;
-int handle_IRQ_event(unsigned int, struct pt_regs *, struct irqaction *);
-
 #endif /* _ASM_IRQ_H */
 #endif /* __KERNEL__ */
diff --git a/include/asm-ppc/ptrace.h b/include/asm-ppc/ptrace.h
index 9d4e4ea530c..7043c164b53 100644
--- a/include/asm-ppc/ptrace.h
+++ b/include/asm-ppc/ptrace.h
@@ -142,4 +142,11 @@ do {									      \
 #define PTRACE_GETEVRREGS	20
 #define PTRACE_SETEVRREGS	21
 
+/*
+ * Get or set a debug register. The first 16 are DABR registers and the
+ * second 16 are IABR registers.
+ */
+#define PTRACE_GET_DEBUGREG	25
+#define PTRACE_SET_DEBUGREG	26
+
 #endif
diff --git a/include/asm-ppc/reg.h b/include/asm-ppc/reg.h
index 88b4222154d..73c33e3ef9c 100644
--- a/include/asm-ppc/reg.h
+++ b/include/asm-ppc/reg.h
@@ -366,12 +366,6 @@
 #define PVR_STB03XXX	0x40310000
 #define PVR_NP405H	0x41410000
 #define PVR_NP405L	0x41610000
-#define PVR_440GP_RB	0x40120440
-#define PVR_440GP_RC1	0x40120481
-#define PVR_440GP_RC2	0x40200481
-#define PVR_440GX_RA	0x51b21850
-#define PVR_440GX_RB	0x51b21851
-#define PVR_440GX_RC	0x51b21892
 #define PVR_601		0x00010000
 #define PVR_602		0x00050000
 #define PVR_603		0x00030000
diff --git a/include/asm-ppc/smp.h b/include/asm-ppc/smp.h
index 17530c232c7..829481c0a9d 100644
--- a/include/asm-ppc/smp.h
+++ b/include/asm-ppc/smp.h
@@ -41,6 +41,10 @@ extern void smp_send_xmon_break(int cpu);
 struct pt_regs;
 extern void smp_message_recv(int, struct pt_regs *);
 
+extern int __cpu_disable(void);
+extern void __cpu_die(unsigned int cpu);
+extern void cpu_die(void) __attribute__((noreturn));
+
 #define NO_PROC_ID		0xFF            /* No processor magic marker */
 #define PROC_CHANGE_PENALTY	20
 
@@ -64,6 +68,8 @@ extern struct klock_info_struct klock_info;
 
 #else /* !(CONFIG_SMP) */
 
+static inline void cpu_die(void) { }
+
 #endif /* !(CONFIG_SMP) */
 
 #endif /* !(_PPC_SMP_H) */
diff --git a/include/asm-ppc/spinlock.h b/include/asm-ppc/spinlock.h
index 909199aae10..20edcf2a6e0 100644
--- a/include/asm-ppc/spinlock.h
+++ b/include/asm-ppc/spinlock.h
@@ -5,41 +5,21 @@
 
 /*
  * Simple spin lock operations.
+ *
+ * (the type definitions are in asm/raw_spinlock_types.h)
  */
 
-typedef struct {
-	volatile unsigned long lock;
-#ifdef CONFIG_DEBUG_SPINLOCK
-	volatile unsigned long owner_pc;
-	volatile unsigned long owner_cpu;
-#endif
-#ifdef CONFIG_PREEMPT
-	unsigned int break_lock;
-#endif
-} spinlock_t;
-
-#ifdef __KERNEL__
-#ifdef CONFIG_DEBUG_SPINLOCK
-#define SPINLOCK_DEBUG_INIT     , 0, 0
-#else
-#define SPINLOCK_DEBUG_INIT     /* */
-#endif
-
-#define SPIN_LOCK_UNLOCKED	(spinlock_t) { 0 SPINLOCK_DEBUG_INIT }
-
-#define spin_lock_init(x) 	do { *(x) = SPIN_LOCK_UNLOCKED; } while(0)
-#define spin_is_locked(x)	((x)->lock != 0)
-#define spin_unlock_wait(x)	do { barrier(); } while(spin_is_locked(x))
-#define _raw_spin_lock_flags(lock, flags) _raw_spin_lock(lock)
-
-#ifndef CONFIG_DEBUG_SPINLOCK
-
-static inline void _raw_spin_lock(spinlock_t *lock)
+#define __raw_spin_is_locked(x)		((x)->lock != 0)
+#define __raw_spin_unlock_wait(lock) \
+	do { while (__raw_spin_is_locked(lock)) cpu_relax(); } while (0)
+#define __raw_spin_lock_flags(lock, flags) __raw_spin_lock(lock)
+
+static inline void __raw_spin_lock(raw_spinlock_t *lock)
 {
 	unsigned long tmp;
 
 	__asm__ __volatile__(
-	"b	1f		# spin_lock\n\
+	"b	1f		# __raw_spin_lock\n\
 2:	lwzx	%0,0,%1\n\
 	cmpwi	0,%0,0\n\
 	bne+	2b\n\
@@ -55,21 +35,13 @@ static inline void _raw_spin_lock(spinlock_t *lock)
 	: "cr0", "memory");
 }
 
-static inline void _raw_spin_unlock(spinlock_t *lock)
+static inline void __raw_spin_unlock(raw_spinlock_t *lock)
 {
-	__asm__ __volatile__("eieio		# spin_unlock": : :"memory");
+	__asm__ __volatile__("eieio	# __raw_spin_unlock": : :"memory");
 	lock->lock = 0;
 }
 
-#define _raw_spin_trylock(l) (!test_and_set_bit(0,&(l)->lock))
-
-#else
-
-extern void _raw_spin_lock(spinlock_t *lock);
-extern void _raw_spin_unlock(spinlock_t *lock);
-extern int _raw_spin_trylock(spinlock_t *lock);
-
-#endif
+#define __raw_spin_trylock(l) (!test_and_set_bit(0,&(l)->lock))
 
 /*
  * Read-write spinlocks, allowing multiple readers
@@ -81,22 +53,11 @@ extern int _raw_spin_trylock(spinlock_t *lock);
  * irq-safe write-lock, but readers can get non-irqsafe
  * read-locks.
  */
-typedef struct {
-	volatile signed int lock;
-#ifdef CONFIG_PREEMPT
-	unsigned int break_lock;
-#endif
-} rwlock_t;
 
-#define RW_LOCK_UNLOCKED (rwlock_t) { 0 }
-#define rwlock_init(lp) do { *(lp) = RW_LOCK_UNLOCKED; } while(0)
+#define __raw_read_can_lock(rw)	((rw)->lock >= 0)
+#define __raw_write_can_lock(rw)	(!(rw)->lock)
 
-#define read_can_lock(rw)	((rw)->lock >= 0)
-#define write_can_lock(rw)	(!(rw)->lock)
-
-#ifndef CONFIG_DEBUG_SPINLOCK
-
-static __inline__ int _raw_read_trylock(rwlock_t *rw)
+static __inline__ int __raw_read_trylock(raw_rwlock_t *rw)
 {
 	signed int tmp;
 
@@ -116,7 +77,7 @@ static __inline__ int _raw_read_trylock(rwlock_t *rw)
 	return tmp > 0;
 }
 
-static __inline__ void _raw_read_lock(rwlock_t *rw)
+static __inline__ void __raw_read_lock(raw_rwlock_t *rw)
 {
 	signed int tmp;
 
@@ -137,7 +98,7 @@ static __inline__ void _raw_read_lock(rwlock_t *rw)
 	: "cr0", "memory");
 }
 
-static __inline__ void _raw_read_unlock(rwlock_t *rw)
+static __inline__ void __raw_read_unlock(raw_rwlock_t *rw)
 {
 	signed int tmp;
 
@@ -153,7 +114,7 @@ static __inline__ void _raw_read_unlock(rwlock_t *rw)
 	: "cr0", "memory");
 }
 
-static __inline__ int _raw_write_trylock(rwlock_t *rw)
+static __inline__ int __raw_write_trylock(raw_rwlock_t *rw)
 {
 	signed int tmp;
 
@@ -173,7 +134,7 @@ static __inline__ int _raw_write_trylock(rwlock_t *rw)
 	return tmp == 0;
 }
 
-static __inline__ void _raw_write_lock(rwlock_t *rw)
+static __inline__ void __raw_write_lock(raw_rwlock_t *rw)
 {
 	signed int tmp;
 
@@ -194,22 +155,10 @@ static __inline__ void _raw_write_lock(rwlock_t *rw)
 	: "cr0", "memory");
 }
 
-static __inline__ void _raw_write_unlock(rwlock_t *rw)
+static __inline__ void __raw_write_unlock(raw_rwlock_t *rw)
 {
 	__asm__ __volatile__("eieio		# write_unlock": : :"memory");
 	rw->lock = 0;
 }
 
-#else
-
-extern void _raw_read_lock(rwlock_t *rw);
-extern void _raw_read_unlock(rwlock_t *rw);
-extern void _raw_write_lock(rwlock_t *rw);
-extern void _raw_write_unlock(rwlock_t *rw);
-extern int _raw_read_trylock(rwlock_t *rw);
-extern int _raw_write_trylock(rwlock_t *rw);
-
-#endif
-
 #endif /* __ASM_SPINLOCK_H */
-#endif /* __KERNEL__ */
diff --git a/include/asm-ppc/spinlock_types.h b/include/asm-ppc/spinlock_types.h
new file mode 100644
index 00000000000..7919ccc75b8
--- /dev/null
+++ b/include/asm-ppc/spinlock_types.h
@@ -0,0 +1,20 @@
+#ifndef __ASM_SPINLOCK_TYPES_H
+#define __ASM_SPINLOCK_TYPES_H
+
+#ifndef __LINUX_SPINLOCK_TYPES_H
+# error "please don't include this file directly"
+#endif
+
+typedef struct {
+	volatile unsigned long lock;
+} raw_spinlock_t;
+
+#define __RAW_SPIN_LOCK_UNLOCKED	{ 0 }
+
+typedef struct {
+	volatile signed int lock;
+} raw_rwlock_t;
+
+#define __RAW_RW_LOCK_UNLOCKED		{ 0 }
+
+#endif
diff --git a/include/asm-ppc/system.h b/include/asm-ppc/system.h
index 513a334c581..d754ab570fe 100644
--- a/include/asm-ppc/system.h
+++ b/include/asm-ppc/system.h
@@ -88,6 +88,7 @@ extern void *cacheable_memcpy(void *, const void *, unsigned int);
 extern int do_page_fault(struct pt_regs *, unsigned long, unsigned long);
 extern void bad_page_fault(struct pt_regs *, unsigned long, int);
 extern void die(const char *, struct pt_regs *, long);
+extern void _exception(int, struct pt_regs *, int, unsigned long);
 #ifdef CONFIG_BOOKE_WDT
 extern u32 booke_wdt_enabled;
 extern u32 booke_wdt_period;