Merge git://git.kernel.org/pub/scm/linux/kernel/git/paulus/powerpc-merge

15 files changed, 128 insertions, 127 deletions

diff --git a/include/asm-powerpc/atomic.h b/include/asm-powerpc/atomic.h
index 248f9aec959c..147a38dcc766 100644
--- a/include/asm-powerpc/atomic.h
+++ b/include/asm-powerpc/atomic.h
@@ -36,7 +36,7 @@ static __inline__ int atomic_add_return(int a, atomic_t *v)
 	int t;
 
 	__asm__ __volatile__(
-	EIEIO_ON_SMP
+	LWSYNC_ON_SMP
 "1:	lwarx	%0,0,%2		# atomic_add_return\n\
 	add	%0,%1,%0\n"
 	PPC405_ERR77(0,%2)
@@ -72,7 +72,7 @@ static __inline__ int atomic_sub_return(int a, atomic_t *v)
 	int t;
 
 	__asm__ __volatile__(
-	EIEIO_ON_SMP
+	LWSYNC_ON_SMP
 "1:	lwarx	%0,0,%2		# atomic_sub_return\n\
 	subf	%0,%1,%0\n"
 	PPC405_ERR77(0,%2)
@@ -106,7 +106,7 @@ static __inline__ int atomic_inc_return(atomic_t *v)
 	int t;
 
 	__asm__ __volatile__(
-	EIEIO_ON_SMP
+	LWSYNC_ON_SMP
 "1:	lwarx	%0,0,%1		# atomic_inc_return\n\
 	addic	%0,%0,1\n"
 	PPC405_ERR77(0,%1)
@@ -150,7 +150,7 @@ static __inline__ int atomic_dec_return(atomic_t *v)
 	int t;
 
 	__asm__ __volatile__(
-	EIEIO_ON_SMP
+	LWSYNC_ON_SMP
 "1:	lwarx	%0,0,%1		# atomic_dec_return\n\
 	addic	%0,%0,-1\n"
 	PPC405_ERR77(0,%1)
@@ -176,19 +176,19 @@ static __inline__ int atomic_dec_return(atomic_t *v)
  * Atomically adds @a to @v, so long as it was not @u.
  * Returns non-zero if @v was not @u, and zero otherwise.
  */
-#define atomic_add_unless(v, a, u)							 \
-({															 \
-	   int c, old;											 \
-	   c = atomic_read(v);									 \
-	   for (;;) {											  \
-			   if (unlikely(c == (u)))						 \
-					   break;								  \
-			   old = atomic_cmpxchg((v), c, c + (a));		  \
-			   if (likely(old == c))						   \
-					   break;								  \
-			   c = old;										\
-	   }													   \
-	   c != (u);											   \
+#define atomic_add_unless(v, a, u)			\
+({							\
+	int c, old;					\
+	c = atomic_read(v);				\
+	for (;;) {					\
+		if (unlikely(c == (u)))			\
+			break;				\
+		old = atomic_cmpxchg((v), c, c + (a));	\
+		if (likely(old == c))			\
+			break;				\
+		c = old;				\
+	}						\
+	c != (u);					\
 })
 #define atomic_inc_not_zero(v) atomic_add_unless((v), 1, 0)
 
@@ -204,7 +204,7 @@ static __inline__ int atomic_dec_if_positive(atomic_t *v)
 	int t;
 
 	__asm__ __volatile__(
-	EIEIO_ON_SMP
+	LWSYNC_ON_SMP
 "1:	lwarx	%0,0,%1		# atomic_dec_if_positive\n\
 	addic.	%0,%0,-1\n\
 	blt-	2f\n"
@@ -253,7 +253,7 @@ static __inline__ long atomic64_add_return(long a, atomic64_t *v)
 	long t;
 
 	__asm__ __volatile__(
-	EIEIO_ON_SMP
+	LWSYNC_ON_SMP
 "1:	ldarx	%0,0,%2		# atomic64_add_return\n\
 	add	%0,%1,%0\n\
 	stdcx.	%0,0,%2 \n\
@@ -287,7 +287,7 @@ static __inline__ long atomic64_sub_return(long a, atomic64_t *v)
 	long t;
 
 	__asm__ __volatile__(
-	EIEIO_ON_SMP
+	LWSYNC_ON_SMP
 "1:	ldarx	%0,0,%2		# atomic64_sub_return\n\
 	subf	%0,%1,%0\n\
 	stdcx.	%0,0,%2 \n\
@@ -319,7 +319,7 @@ static __inline__ long atomic64_inc_return(atomic64_t *v)
 	long t;
 
 	__asm__ __volatile__(
-	EIEIO_ON_SMP
+	LWSYNC_ON_SMP
 "1:	ldarx	%0,0,%1		# atomic64_inc_return\n\
 	addic	%0,%0,1\n\
 	stdcx.	%0,0,%1 \n\
@@ -361,7 +361,7 @@ static __inline__ long atomic64_dec_return(atomic64_t *v)
 	long t;
 
 	__asm__ __volatile__(
-	EIEIO_ON_SMP
+	LWSYNC_ON_SMP
 "1:	ldarx	%0,0,%1		# atomic64_dec_return\n\
 	addic	%0,%0,-1\n\
 	stdcx.	%0,0,%1\n\
@@ -386,7 +386,7 @@ static __inline__ long atomic64_dec_if_positive(atomic64_t *v)
 	long t;
 
 	__asm__ __volatile__(
-	EIEIO_ON_SMP
+	LWSYNC_ON_SMP
 "1:	ldarx	%0,0,%1		# atomic64_dec_if_positive\n\
 	addic.	%0,%0,-1\n\
 	blt-	2f\n\
diff --git a/include/asm-powerpc/bitops.h b/include/asm-powerpc/bitops.h
index 1996eaa8aeae..bf6941a810b8 100644
--- a/include/asm-powerpc/bitops.h
+++ b/include/asm-powerpc/bitops.h
@@ -112,7 +112,7 @@ static __inline__ int test_and_set_bit(unsigned long nr,
 	unsigned long *p = ((unsigned long *)addr) + BITOP_WORD(nr);
 
 	__asm__ __volatile__(
-	EIEIO_ON_SMP
+	LWSYNC_ON_SMP
 "1:"	PPC_LLARX "%0,0,%3		# test_and_set_bit\n"
 	"or	%1,%0,%2 \n"
 	PPC405_ERR77(0,%3)
@@ -134,7 +134,7 @@ static __inline__ int test_and_clear_bit(unsigned long nr,
 	unsigned long *p = ((unsigned long *)addr) + BITOP_WORD(nr);
 
 	__asm__ __volatile__(
-	EIEIO_ON_SMP
+	LWSYNC_ON_SMP
 "1:"	PPC_LLARX "%0,0,%3		# test_and_clear_bit\n"
 	"andc	%1,%0,%2 \n"
 	PPC405_ERR77(0,%3)
@@ -156,7 +156,7 @@ static __inline__ int test_and_change_bit(unsigned long nr,
 	unsigned long *p = ((unsigned long *)addr) + BITOP_WORD(nr);
 
 	__asm__ __volatile__(
-	EIEIO_ON_SMP
+	LWSYNC_ON_SMP
 "1:"	PPC_LLARX "%0,0,%3		# test_and_change_bit\n"
 	"xor	%1,%0,%2 \n"
 	PPC405_ERR77(0,%3)
diff --git a/include/asm-powerpc/cputable.h b/include/asm-powerpc/cputable.h
index ef6ead34a773..64210549f56b 100644
--- a/include/asm-powerpc/cputable.h
+++ b/include/asm-powerpc/cputable.h
@@ -19,6 +19,7 @@
 #define PPC_FEATURE_POWER5		0x00040000
 #define PPC_FEATURE_POWER5_PLUS		0x00020000
 #define PPC_FEATURE_CELL		0x00010000
+#define PPC_FEATURE_BOOKE		0x00008000
 
 #ifdef __KERNEL__
 #ifndef __ASSEMBLY__
@@ -31,11 +32,11 @@ struct cpu_spec;
 typedef	void (*cpu_setup_t)(unsigned long offset, struct cpu_spec* spec);
 
 enum powerpc_oprofile_type {
-	INVALID = 0,
-	RS64 = 1,
-	POWER4 = 2,
-	G4 = 3,
-	BOOKE = 4,
+	PPC_OPROFILE_INVALID = 0,
+	PPC_OPROFILE_RS64 = 1,
+	PPC_OPROFILE_POWER4 = 2,
+	PPC_OPROFILE_G4 = 3,
+	PPC_OPROFILE_BOOKE = 4,
 };
 
 struct cpu_spec {
@@ -64,6 +65,9 @@ struct cpu_spec {
 
 	/* Processor specific oprofile operations */
 	enum powerpc_oprofile_type oprofile_type;
+
+	/* Name of processor class, for the ELF AT_PLATFORM entry */
+	char		*platform;
 };
 
 extern struct cpu_spec		*cur_cpu_spec;
diff --git a/include/asm-powerpc/elf.h b/include/asm-powerpc/elf.h
index 45f2af6f89c4..94d228f9c6ac 100644
--- a/include/asm-powerpc/elf.h
+++ b/include/asm-powerpc/elf.h
@@ -221,20 +221,18 @@ extern int dump_task_fpu(struct task_struct *, elf_fpregset_t *);
    instruction set this cpu supports.  This could be done in userspace,
    but it's not easy, and we've already done it here.  */
 # define ELF_HWCAP	(cur_cpu_spec->cpu_user_features)
-#ifdef __powerpc64__
-# define ELF_PLAT_INIT(_r, load_addr)	do {	\
-	_r->gpr[2] = load_addr; 		\
-} while (0)
-#endif /* __powerpc64__ */
 
 /* This yields a string that ld.so will use to load implementation
    specific libraries for optimization.  This is more specific in
-   intent than poking at uname or /proc/cpuinfo.
+   intent than poking at uname or /proc/cpuinfo.  */
 
-   For the moment, we have only optimizations for the Intel generations,
-   but that could change... */
+#define ELF_PLATFORM	(cur_cpu_spec->platform)
 
-#define ELF_PLATFORM	(NULL)
+#ifdef __powerpc64__
+# define ELF_PLAT_INIT(_r, load_addr)	do {	\
+	_r->gpr[2] = load_addr; 		\
+} while (0)
+#endif /* __powerpc64__ */
 
 #ifdef __KERNEL__
 
diff --git a/include/asm-powerpc/futex.h b/include/asm-powerpc/futex.h
index f0319d50b129..39e85f320a76 100644
--- a/include/asm-powerpc/futex.h
+++ b/include/asm-powerpc/futex.h
@@ -11,7 +11,7 @@
 
 #define __futex_atomic_op(insn, ret, oldval, uaddr, oparg) \
   __asm__ __volatile ( \
-	SYNC_ON_SMP \
+	LWSYNC_ON_SMP \
 "1:	lwarx	%0,0,%2\n" \
 	insn \
 	PPC405_ERR77(0, %2) \
diff --git a/include/asm-powerpc/hvcall.h b/include/asm-powerpc/hvcall.h
index da7af5a720e0..38ca9ad6110d 100644
--- a/include/asm-powerpc/hvcall.h
+++ b/include/asm-powerpc/hvcall.h
@@ -6,7 +6,10 @@
 
 #define H_Success	0
 #define H_Busy		1	/* Hardware busy -- retry later */
+#define H_Closed	2	/* Resource closed */
 #define H_Constrained	4	/* Resource request constrained to max allowed */
+#define H_InProgress   14	/* Kind of like busy */
+#define H_Continue     18	/* Returned from H_Join on success */
 #define H_LongBusyStartRange   9900  /* Start of long busy range */
 #define H_LongBusyOrder1msec   9900  /* Long busy, hint that 1msec is a good time to retry */
 #define H_LongBusyOrder10msec  9901  /* Long busy, hint that 10msec is a good time to retry */
@@ -114,6 +117,8 @@
 #define H_REGISTER_VTERM	0x154
 #define H_FREE_VTERM		0x158
 #define H_POLL_PENDING	        0x1D8
+#define H_JOIN			0x298
+#define H_ENABLE_CRQ		0x2B0
 
 #ifndef __ASSEMBLY__
 
diff --git a/include/asm-powerpc/lppaca.h b/include/asm-powerpc/lppaca.h
index ff82ea7c4829..cd9f11f1ef14 100644
--- a/include/asm-powerpc/lppaca.h
+++ b/include/asm-powerpc/lppaca.h
@@ -29,7 +29,9 @@
 //----------------------------------------------------------------------------
 #include <asm/types.h>
 
-struct lppaca {
+/* The Hypervisor barfs if the lppaca crosses a page boundary.  A 1k
+ * alignment is sufficient to prevent this */
+struct __attribute__((__aligned__(0x400))) lppaca {
 //=============================================================================
 // CACHE_LINE_1 0x0000 - 0x007F Contains read-only data
 // NOTE: The xDynXyz fields are fields that will be dynamically changed by
@@ -129,5 +131,7 @@ struct lppaca {
 	u8	pmc_save_area[256];	// PMC interrupt Area           x00-xFF
 };
 
+extern struct lppaca lppaca[];
+
 #endif /* __KERNEL__ */
 #endif /* _ASM_POWERPC_LPPACA_H */
diff --git a/include/asm-powerpc/paca.h b/include/asm-powerpc/paca.h
index a64b4d425dab..c9add8f1ad94 100644
--- a/include/asm-powerpc/paca.h
+++ b/include/asm-powerpc/paca.h
@@ -23,6 +23,7 @@
 
 register struct paca_struct *local_paca asm("r13");
 #define get_paca()	local_paca
+#define get_lppaca()	(get_paca()->lppaca_ptr)
 
 struct task_struct;
 
@@ -95,19 +96,6 @@ struct paca_struct {
 	u64 saved_r1;			/* r1 save for RTAS calls */
 	u64 saved_msr;			/* MSR saved here by enter_rtas */
 	u8 proc_enabled;		/* irq soft-enable flag */
-
-	/*
-	 * iSeries structure which the hypervisor knows about -
-	 * this structure should not cross a page boundary.
-	 * The vpa_init/register_vpa call is now known to fail if the
-	 * lppaca structure crosses a page boundary.
-	 * The lppaca is also used on POWER5 pSeries boxes.
-	 * The lppaca is 640 bytes long, and cannot readily change
-	 * since the hypervisor knows its layout, so a 1kB
-	 * alignment will suffice to ensure that it doesn't
-	 * cross a page boundary.
-	 */
-	struct lppaca lppaca __attribute__((__aligned__(0x400)));
 };
 
 extern struct paca_struct paca[];
diff --git a/include/asm-powerpc/ppc_asm.h b/include/asm-powerpc/ppc_asm.h
index 0dc798d46ea4..ab8688d39024 100644
--- a/include/asm-powerpc/ppc_asm.h
+++ b/include/asm-powerpc/ppc_asm.h
@@ -156,52 +156,56 @@ n:
 #endif
 
 /* 
- * LOADADDR( rn, name )
- *   loads the address of 'name' into 'rn'
+ * LOAD_REG_IMMEDIATE(rn, expr)
+ *   Loads the value of the constant expression 'expr' into register 'rn'
+ *   using immediate instructions only.  Use this when it's important not
+ *   to reference other data (i.e. on ppc64 when the TOC pointer is not
+ *   valid).
  *
- * LOADBASE( rn, name )
- *   loads the address (possibly without the low 16 bits) of 'name' into 'rn'
- *   suitable for base+disp addressing
+ * LOAD_REG_ADDR(rn, name)
+ *   Loads the address of label 'name' into register 'rn'.  Use this when
+ *   you don't particularly need immediate instructions only, but you need
+ *   the whole address in one register (e.g. it's a structure address and
+ *   you want to access various offsets within it).  On ppc32 this is
+ *   identical to LOAD_REG_IMMEDIATE.
+ *
+ * LOAD_REG_ADDRBASE(rn, name)
+ * ADDROFF(name)
+ *   LOAD_REG_ADDRBASE loads part of the address of label 'name' into
+ *   register 'rn'.  ADDROFF(name) returns the remainder of the address as
+ *   a constant expression.  ADDROFF(name) is a signed expression < 16 bits
+ *   in size, so is suitable for use directly as an offset in load and store
+ *   instructions.  Use this when loading/storing a single word or less as:
+ *      LOAD_REG_ADDRBASE(rX, name)
+ *      ld	rY,ADDROFF(name)(rX)
  */
 #ifdef __powerpc64__
-#define LOADADDR(rn,name) \
-	lis	rn,name##@highest;	\
-	ori	rn,rn,name##@higher;	\
-	rldicr	rn,rn,32,31;		\
-	oris	rn,rn,name##@h;		\
-	ori	rn,rn,name##@l
-
-#define LOADBASE(rn,name)		\
-	ld	rn,name@got(r2)
-
-#define OFF(name)	0
-
-#define SET_REG_TO_CONST(reg, value)	         	\
-	lis     reg,(((value)>>48)&0xFFFF);             \
-	ori     reg,reg,(((value)>>32)&0xFFFF);         \
-	rldicr  reg,reg,32,31;                          \
-	oris    reg,reg,(((value)>>16)&0xFFFF);         \
-	ori     reg,reg,((value)&0xFFFF);
-
-#define SET_REG_TO_LABEL(reg, label)	         	\
-	lis     reg,(label)@highest;                    \
-	ori     reg,reg,(label)@higher;                 \
-	rldicr  reg,reg,32,31;                          \
-	oris    reg,reg,(label)@h;                      \
-	ori     reg,reg,(label)@l;
+#define LOAD_REG_IMMEDIATE(reg,expr)		\
+	lis     (reg),(expr)@highest;		\
+	ori     (reg),(reg),(expr)@higher;	\
+	rldicr  (reg),(reg),32,31;		\
+	oris    (reg),(reg),(expr)@h;		\
+	ori     (reg),(reg),(expr)@l;
+
+#define LOAD_REG_ADDR(reg,name)			\
+	ld	(reg),name@got(r2)
+
+#define LOAD_REG_ADDRBASE(reg,name)	LOAD_REG_ADDR(reg,name)
+#define ADDROFF(name)			0
 
 /* offsets for stack frame layout */
 #define LRSAVE	16
 
 #else /* 32-bit */
-#define LOADADDR(rn,name) \
-	lis	rn,name@ha;	\
-	addi	rn,rn,name@l
 
-#define LOADBASE(rn,name)	\
-	lis	rn,name@ha
+#define LOAD_REG_IMMEDIATE(reg,expr)		\
+	lis	(reg),(expr)@ha;		\
+	addi	(reg),(reg),(expr)@l;
+
+#define LOAD_REG_ADDR(reg,name)		LOAD_REG_IMMEDIATE(reg, name)
 
-#define OFF(name)	name@l
+#define LOAD_REG_ADDRBASE(reg, name)	lis	(reg),name@ha
+#define ADDROFF(name)			name@l
 
 /* offsets for stack frame layout */
 #define LRSAVE	4
diff --git a/include/asm-powerpc/prom.h b/include/asm-powerpc/prom.h
index 329e9bf62260..5b2bd4eefb01 100644
--- a/include/asm-powerpc/prom.h
+++ b/include/asm-powerpc/prom.h
@@ -87,6 +87,7 @@ struct device_node {
 	char	*full_name;
 
 	struct	property *properties;
+	struct  property *deadprops; /* removed properties */
 	struct	device_node *parent;
 	struct	device_node *child;
 	struct	device_node *sibling;
@@ -135,6 +136,9 @@ extern struct device_node *of_find_all_nodes(struct device_node *prev);
 extern struct device_node *of_get_parent(const struct device_node *node);
 extern struct device_node *of_get_next_child(const struct device_node *node,
 					     struct device_node *prev);
+extern struct property *of_find_property(struct device_node *np,
+					 const char *name,
+					 int *lenp);
 extern struct device_node *of_node_get(struct device_node *node);
 extern void of_node_put(struct device_node *node);
 
@@ -164,6 +168,10 @@ extern int prom_n_size_cells(struct device_node* np);
 extern int prom_n_intr_cells(struct device_node* np);
 extern void prom_get_irq_senses(unsigned char *senses, int off, int max);
 extern int prom_add_property(struct device_node* np, struct property* prop);
+extern int prom_remove_property(struct device_node *np, struct property *prop);
+extern int prom_update_property(struct device_node *np,
+				struct property *newprop,
+				struct property *oldprop);
 
 #ifdef CONFIG_PPC32
 /*
diff --git a/include/asm-powerpc/spinlock.h b/include/asm-powerpc/spinlock.h
index 754900901cd8..895cb6d3a42a 100644
--- a/include/asm-powerpc/spinlock.h
+++ b/include/asm-powerpc/spinlock.h
@@ -46,7 +46,7 @@ static __inline__ unsigned long __spin_trylock(raw_spinlock_t *lock)
 
 	token = LOCK_TOKEN;
 	__asm__ __volatile__(
-"1:	lwarx		%0,0,%2		# __spin_trylock\n\
+"1:	lwarx		%0,0,%2\n\
 	cmpwi		0,%0,0\n\
 	bne-		2f\n\
 	stwcx.		%1,0,%2\n\
@@ -80,7 +80,7 @@ static int __inline__ __raw_spin_trylock(raw_spinlock_t *lock)
 
 #if defined(CONFIG_PPC_SPLPAR) || defined(CONFIG_PPC_ISERIES)
 /* We only yield to the hypervisor if we are in shared processor mode */
-#define SHARED_PROCESSOR (get_paca()->lppaca.shared_proc)
+#define SHARED_PROCESSOR (get_lppaca()->shared_proc)
 extern void __spin_yield(raw_spinlock_t *lock);
 extern void __rw_yield(raw_rwlock_t *lock);
 #else /* SPLPAR || ISERIES */
@@ -124,8 +124,8 @@ static void __inline__ __raw_spin_lock_flags(raw_spinlock_t *lock, unsigned long
 
 static __inline__ void __raw_spin_unlock(raw_spinlock_t *lock)
 {
-	__asm__ __volatile__(SYNC_ON_SMP"	# __raw_spin_unlock"
-			     : : :"memory");
+	__asm__ __volatile__("# __raw_spin_unlock\n\t"
+				LWSYNC_ON_SMP: : :"memory");
 	lock->slock = 0;
 }
 
@@ -167,7 +167,7 @@ static long __inline__ __read_trylock(raw_rwlock_t *rw)
 	long tmp;
 
 	__asm__ __volatile__(
-"1:	lwarx		%0,0,%1		# read_trylock\n"
+"1:	lwarx		%0,0,%1\n"
 	__DO_SIGN_EXTEND
 "	addic.		%0,%0,1\n\
 	ble-		2f\n"
@@ -192,7 +192,7 @@ static __inline__ long __write_trylock(raw_rwlock_t *rw)
 
 	token = WRLOCK_TOKEN;
 	__asm__ __volatile__(
-"1:	lwarx		%0,0,%2	# write_trylock\n\
+"1:	lwarx		%0,0,%2\n\
 	cmpwi		0,%0,0\n\
 	bne-		2f\n"
 	PPC405_ERR77(0,%1)
@@ -249,8 +249,9 @@ static void __inline__ __raw_read_unlock(raw_rwlock_t *rw)
 	long tmp;
 
 	__asm__ __volatile__(
-	"eieio				# read_unlock\n\
-1:	lwarx		%0,0,%1\n\
+	"# read_unlock\n\t"
+	LWSYNC_ON_SMP
+"1:	lwarx		%0,0,%1\n\
 	addic		%0,%0,-1\n"
 	PPC405_ERR77(0,%1)
 "	stwcx.		%0,0,%1\n\
@@ -262,8 +263,8 @@ static void __inline__ __raw_read_unlock(raw_rwlock_t *rw)
 
 static __inline__ void __raw_write_unlock(raw_rwlock_t *rw)
 {
-	__asm__ __volatile__(SYNC_ON_SMP"	# write_unlock"
-			     : : :"memory");
+	__asm__ __volatile__("# write_unlock\n\t"
+				LWSYNC_ON_SMP: : :"memory");
 	rw->lock = 0;
 }
 
diff --git a/include/asm-powerpc/synch.h b/include/asm-powerpc/synch.h
index 794870ab8fd3..c90d9d9aae72 100644
--- a/include/asm-powerpc/synch.h
+++ b/include/asm-powerpc/synch.h
@@ -2,6 +2,8 @@
 #define _ASM_POWERPC_SYNCH_H 
 #ifdef __KERNEL__
 
+#include <linux/stringify.h>
+
 #ifdef __powerpc64__
 #define __SUBARCH_HAS_LWSYNC
 #endif
@@ -12,20 +14,12 @@
 #    define LWSYNC	sync
 #endif
 
-
-/*
- * Arguably the bitops and *xchg operations don't imply any memory barrier
- * or SMP ordering, but in fact a lot of drivers expect them to imply
- * both, since they do on x86 cpus.
- */
 #ifdef CONFIG_SMP
-#define EIEIO_ON_SMP	"eieio\n"
 #define ISYNC_ON_SMP	"\n\tisync"
-#define SYNC_ON_SMP	__stringify(LWSYNC) "\n"
+#define LWSYNC_ON_SMP	__stringify(LWSYNC) "\n"
 #else
-#define EIEIO_ON_SMP
 #define ISYNC_ON_SMP
-#define SYNC_ON_SMP
+#define LWSYNC_ON_SMP
 #endif
 
 static inline void eieio(void)
@@ -38,14 +32,5 @@ static inline void isync(void)
 	__asm__ __volatile__ ("isync" : : : "memory");
 }
 
-#ifdef CONFIG_SMP
-#define eieio_on_smp()	eieio()
-#define isync_on_smp()	isync()
-#else
-#define eieio_on_smp()	__asm__ __volatile__("": : :"memory")
-#define isync_on_smp()	__asm__ __volatile__("": : :"memory")
-#endif
-
 #endif /* __KERNEL__ */
 #endif	/* _ASM_POWERPC_SYNCH_H */
-
diff --git a/include/asm-powerpc/system.h b/include/asm-powerpc/system.h
index 9b822afa7d0e..d9bf53653b10 100644
--- a/include/asm-powerpc/system.h
+++ b/include/asm-powerpc/system.h
@@ -212,7 +212,7 @@ __xchg_u32(volatile void *p, unsigned long val)
 	unsigned long prev;
 
 	__asm__ __volatile__(
-	EIEIO_ON_SMP
+	LWSYNC_ON_SMP
 "1:	lwarx	%0,0,%2 \n"
 	PPC405_ERR77(0,%2)
 "	stwcx.	%3,0,%2 \n\
@@ -232,7 +232,7 @@ __xchg_u64(volatile void *p, unsigned long val)
 	unsigned long prev;
 
 	__asm__ __volatile__(
-	EIEIO_ON_SMP
+	LWSYNC_ON_SMP
 "1:	ldarx	%0,0,%2 \n"
 	PPC405_ERR77(0,%2)
 "	stdcx.	%3,0,%2 \n\
@@ -287,7 +287,7 @@ __cmpxchg_u32(volatile unsigned int *p, unsigned long old, unsigned long new)
 	unsigned int prev;
 
 	__asm__ __volatile__ (
-	EIEIO_ON_SMP
+	LWSYNC_ON_SMP
 "1:	lwarx	%0,0,%2		# __cmpxchg_u32\n\
 	cmpw	0,%0,%3\n\
 	bne-	2f\n"
@@ -311,7 +311,7 @@ __cmpxchg_u64(volatile unsigned long *p, unsigned long old, unsigned long new)
 	unsigned long prev;
 
 	__asm__ __volatile__ (
-	EIEIO_ON_SMP
+	LWSYNC_ON_SMP
 "1:	ldarx	%0,0,%2		# __cmpxchg_u64\n\
 	cmpd	0,%0,%3\n\
 	bne-	2f\n\
diff --git a/include/asm-powerpc/time.h b/include/asm-powerpc/time.h
index d9b86a17271b..baddc9ab57ad 100644
--- a/include/asm-powerpc/time.h
+++ b/include/asm-powerpc/time.h
@@ -175,11 +175,10 @@ static inline void set_dec(int val)
 	set_dec_cpu6(val);
 #else
 #ifdef CONFIG_PPC_ISERIES
-	struct paca_struct *lpaca = get_paca();
 	int cur_dec;
 
-	if (lpaca->lppaca.shared_proc) {
-		lpaca->lppaca.virtual_decr = val;
+	if (get_lppaca()->shared_proc) {
+		get_lppaca()->virtual_decr = val;
 		cur_dec = get_dec();
 		if (cur_dec > val)
 			HvCall_setVirtualDecr();
diff --git a/include/linux/proc_fs.h b/include/linux/proc_fs.h
index 74488e49166d..aa6322d45198 100644
--- a/include/linux/proc_fs.h
+++ b/include/linux/proc_fs.h
@@ -146,6 +146,11 @@ struct property;
 extern void proc_device_tree_init(void);
 extern void proc_device_tree_add_node(struct device_node *, struct proc_dir_entry *);
 extern void proc_device_tree_add_prop(struct proc_dir_entry *pde, struct property *prop);
+extern void proc_device_tree_remove_prop(struct proc_dir_entry *pde,
+					 struct property *prop);
+extern void proc_device_tree_update_prop(struct proc_dir_entry *pde,
+					 struct property *newprop,
+					 struct property *oldprop);
 #endif /* CONFIG_PROC_DEVICETREE */
 
 extern struct proc_dir_entry *proc_symlink(const char *,