diff --git a/[refs] b/[refs]
index 4227933c6dca..95de1e008c73 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 465aac6d496aa3e99caaa6868865fb3830f73d80
+refs/heads/master: 90b335fbbc316b58a0daee8ea792b5aa8903f2ae
diff --git a/trunk/Documentation/kbuild/makefiles.txt b/trunk/Documentation/kbuild/makefiles.txt
index ec9ae6708691..14c3f4f1b617 100644
--- a/trunk/Documentation/kbuild/makefiles.txt
+++ b/trunk/Documentation/kbuild/makefiles.txt
@@ -1175,15 +1175,16 @@ When kbuild executes, the following steps are followed (roughly):
 	in an init section in the image. Platform code *must* copy the
 	blob to non-init memory prior to calling unflatten_device_tree().
 
-	Example:
-		#arch/x86/platform/ce4100/Makefile
-		clean-files := *dtb.S
+	To use this command, simply add *.dtb into obj-y or targets, or make
+	some other target depend on %.dtb
 
-		DTC_FLAGS := -p 1024
-		obj-y += foo.dtb.o
+	A central rule exists to create $(obj)/%.dtb from $(src)/%.dts;
+	architecture Makefiles do no need to explicitly write out that rule.
 
-		$(obj)/%.dtb: $(src)/%.dts
-			$(call cmd,dtc)
+	Example:
+		targets += $(dtb-y)
+		clean-files += *.dtb
+		DTC_FLAGS ?= -p 1024
 
 --- 6.8 Custom kbuild commands
 
diff --git a/trunk/arch/arm/mach-vexpress/v2m.c b/trunk/arch/arm/mach-vexpress/v2m.c
index 359f782c747d..560e0df728f8 100644
--- a/trunk/arch/arm/mach-vexpress/v2m.c
+++ b/trunk/arch/arm/mach-vexpress/v2m.c
@@ -589,7 +589,7 @@ void __init v2m_dt_init_early(void)
 		return;
 
 	/* Confirm board type against DT property, if available */
-	if (of_property_read_u32(of_allnodes, "arm,hbi", &dt_hbi) == 0) {
+	if (of_property_read_u32(allnodes, "arm,hbi", &dt_hbi) == 0) {
 		int site = v2m_get_master_site();
 		u32 id = readl(v2m_sysreg_base + (site == SYS_CFG_SITE_DB2 ?
 				V2M_SYS_PROCID1 : V2M_SYS_PROCID0));
diff --git a/trunk/arch/mips/cavium-octeon/Makefile b/trunk/arch/mips/cavium-octeon/Makefile
index bc96e2908f14..6e927cf20df2 100644
--- a/trunk/arch/mips/cavium-octeon/Makefile
+++ b/trunk/arch/mips/cavium-octeon/Makefile
@@ -24,9 +24,6 @@ DTB_FILES = $(patsubst %.dts, %.dtb, $(DTS_FILES))
 
 obj-y += $(patsubst %.dts, %.dtb.o, $(DTS_FILES))
 
-$(obj)/%.dtb: $(src)/%.dts FORCE
-	$(call if_changed_dep,dtc)
-
 # Let's keep the .dtb files around in case we want to look at them.
 .SECONDARY:  $(addprefix $(obj)/, $(DTB_FILES))
 
diff --git a/trunk/arch/mips/lantiq/dts/Makefile b/trunk/arch/mips/lantiq/dts/Makefile
index 674fca45f72d..6fa72dd641b2 100644
--- a/trunk/arch/mips/lantiq/dts/Makefile
+++ b/trunk/arch/mips/lantiq/dts/Makefile
@@ -1,4 +1 @@
 obj-$(CONFIG_DT_EASY50712) := easy50712.dtb.o
-
-$(obj)/%.dtb: $(obj)/%.dts
-	$(call if_changed,dtc)
diff --git a/trunk/arch/mips/netlogic/dts/Makefile b/trunk/arch/mips/netlogic/dts/Makefile
index 67ae3fe296f0..d117d46413aa 100644
--- a/trunk/arch/mips/netlogic/dts/Makefile
+++ b/trunk/arch/mips/netlogic/dts/Makefile
@@ -1,4 +1 @@
 obj-$(CONFIG_DT_XLP_EVP) := xlp_evp.dtb.o
-
-$(obj)/%.dtb: $(obj)/%.dts
-	$(call if_changed,dtc)
diff --git a/trunk/arch/powerpc/sysdev/scom.c b/trunk/arch/powerpc/sysdev/scom.c
index 9193e12df695..702256a1ca11 100644
--- a/trunk/arch/powerpc/sysdev/scom.c
+++ b/trunk/arch/powerpc/sysdev/scom.c
@@ -157,7 +157,7 @@ static int scom_debug_init_one(struct dentry *root, struct device_node *dn,
 	ent->map = SCOM_MAP_INVALID;
 	spin_lock_init(&ent->lock);
 	snprintf(ent->name, 8, "scom%d", i);
-	ent->blob.data = (void*) dn->full_name;
+	ent->blob.data = dn->full_name;
 	ent->blob.size = strlen(dn->full_name);
 
 	dir = debugfs_create_dir(ent->name, root);
diff --git a/trunk/drivers/of/base.c b/trunk/drivers/of/base.c
index 538e3cfad23e..0ceb26a16050 100644
--- a/trunk/drivers/of/base.c
+++ b/trunk/drivers/of/base.c
@@ -45,8 +45,7 @@ struct alias_prop {
 
 static LIST_HEAD(aliases_lookup);
 
-struct device_node *of_allnodes;
-EXPORT_SYMBOL(of_allnodes);
+struct device_node *allnodes;
 struct device_node *of_chosen;
 struct device_node *of_aliases;
 
@@ -200,7 +199,7 @@ struct device_node *of_find_all_nodes(struct device_node *prev)
 	struct device_node *np;
 
 	read_lock(&devtree_lock);
-	np = prev ? prev->allnext : of_allnodes;
+	np = prev ? prev->allnext : allnodes;
 	for (; np != NULL; np = np->allnext)
 		if (of_node_get(np))
 			break;
@@ -423,7 +422,7 @@ EXPORT_SYMBOL(of_get_child_by_name);
  */
 struct device_node *of_find_node_by_path(const char *path)
 {
-	struct device_node *np = of_allnodes;
+	struct device_node *np = allnodes;
 
 	read_lock(&devtree_lock);
 	for (; np; np = np->allnext) {
@@ -453,7 +452,7 @@ struct device_node *of_find_node_by_name(struct device_node *from,
 	struct device_node *np;
 
 	read_lock(&devtree_lock);
-	np = from ? from->allnext : of_allnodes;
+	np = from ? from->allnext : allnodes;
 	for (; np; np = np->allnext)
 		if (np->name && (of_node_cmp(np->name, name) == 0)
 		    && of_node_get(np))
@@ -482,7 +481,7 @@ struct device_node *of_find_node_by_type(struct device_node *from,
 	struct device_node *np;
 
 	read_lock(&devtree_lock);
-	np = from ? from->allnext : of_allnodes;
+	np = from ? from->allnext : allnodes;
 	for (; np; np = np->allnext)
 		if (np->type && (of_node_cmp(np->type, type) == 0)
 		    && of_node_get(np))
@@ -513,7 +512,7 @@ struct device_node *of_find_compatible_node(struct device_node *from,
 	struct device_node *np;
 
 	read_lock(&devtree_lock);
-	np = from ? from->allnext : of_allnodes;
+	np = from ? from->allnext : allnodes;
 	for (; np; np = np->allnext) {
 		if (type
 		    && !(np->type && (of_node_cmp(np->type, type) == 0)))
@@ -546,7 +545,7 @@ struct device_node *of_find_node_with_property(struct device_node *from,
 	struct property *pp;
 
 	read_lock(&devtree_lock);
-	np = from ? from->allnext : of_allnodes;
+	np = from ? from->allnext : allnodes;
 	for (; np; np = np->allnext) {
 		for (pp = np->properties; pp; pp = pp->next) {
 			if (of_prop_cmp(pp->name, prop_name) == 0) {
@@ -617,7 +616,7 @@ struct device_node *of_find_matching_node_and_match(struct device_node *from,
 		*match = NULL;
 
 	read_lock(&devtree_lock);
-	np = from ? from->allnext : of_allnodes;
+	np = from ? from->allnext : allnodes;
 	for (; np; np = np->allnext) {
 		if (of_match_node(matches, np) && of_node_get(np)) {
 			if (match)
@@ -670,7 +669,7 @@ struct device_node *of_find_node_by_phandle(phandle handle)
 	struct device_node *np;
 
 	read_lock(&devtree_lock);
-	for (np = of_allnodes; np; np = np->allnext)
+	for (np = allnodes; np; np = np->allnext)
 		if (np->phandle == handle)
 			break;
 	of_node_get(np);
@@ -979,8 +978,8 @@ EXPORT_SYMBOL_GPL(of_property_count_strings);
  * Returns the device_node pointer with refcount incremented.  Use
  * of_node_put() on it when done.
  */
-struct device_node *of_parse_phandle(const struct device_node *np,
-				     const char *phandle_name, int index)
+struct device_node *
+of_parse_phandle(struct device_node *np, const char *phandle_name, int index)
 {
 	const __be32 *phandle;
 	int size;
@@ -1255,9 +1254,9 @@ void of_attach_node(struct device_node *np)
 
 	write_lock_irqsave(&devtree_lock, flags);
 	np->sibling = np->parent->child;
-	np->allnext = of_allnodes;
+	np->allnext = allnodes;
 	np->parent->child = np;
-	of_allnodes = np;
+	allnodes = np;
 	write_unlock_irqrestore(&devtree_lock, flags);
 }
 
@@ -1278,11 +1277,11 @@ void of_detach_node(struct device_node *np)
 	if (!parent)
 		goto out_unlock;
 
-	if (of_allnodes == np)
-		of_allnodes = np->allnext;
+	if (allnodes == np)
+		allnodes = np->allnext;
 	else {
 		struct device_node *prev;
-		for (prev = of_allnodes;
+		for (prev = allnodes;
 		     prev->allnext != np;
 		     prev = prev->allnext)
 			;
diff --git a/trunk/drivers/of/fdt.c b/trunk/drivers/of/fdt.c
index a65c39c473bf..e36ff40011f4 100644
--- a/trunk/drivers/of/fdt.c
+++ b/trunk/drivers/of/fdt.c
@@ -712,7 +712,7 @@ int __init early_init_dt_scan_chosen(unsigned long node, const char *uname,
  */
 void __init unflatten_device_tree(void)
 {
-	__unflatten_device_tree(initial_boot_params, &of_allnodes,
+	__unflatten_device_tree(initial_boot_params, &allnodes,
 				early_init_dt_alloc_memory_arch);
 
 	/* Get pointer to "/chosen" and "/aliasas" nodes for use everywhere */
diff --git a/trunk/drivers/of/of_i2c.c b/trunk/drivers/of/of_i2c.c
index b667264222cc..3550f3bf4f92 100644
--- a/trunk/drivers/of/of_i2c.c
+++ b/trunk/drivers/of/of_i2c.c
@@ -29,7 +29,7 @@ void of_i2c_register_devices(struct i2c_adapter *adap)
 
 	dev_dbg(&adap->dev, "of_i2c: walking child nodes\n");
 
-	for_each_available_child_of_node(adap->dev.of_node, node) {
+	for_each_child_of_node(adap->dev.of_node, node) {
 		struct i2c_board_info info = {};
 		struct dev_archdata dev_ad = {};
 		const __be32 *addr;
diff --git a/trunk/drivers/of/of_mdio.c b/trunk/drivers/of/of_mdio.c
index 83ca06f4312b..8e6c25f35040 100644
--- a/trunk/drivers/of/of_mdio.c
+++ b/trunk/drivers/of/of_mdio.c
@@ -53,7 +53,7 @@ int of_mdiobus_register(struct mii_bus *mdio, struct device_node *np)
 		return rc;
 
 	/* Loop over the child nodes and register a phy_device for each one */
-	for_each_available_child_of_node(np, child) {
+	for_each_child_of_node(np, child) {
 		const __be32 *paddr;
 		u32 addr;
 		int len;
diff --git a/trunk/drivers/of/pdt.c b/trunk/drivers/of/pdt.c
index 37b56fd716e6..07cc1d678e4d 100644
--- a/trunk/drivers/of/pdt.c
+++ b/trunk/drivers/of/pdt.c
@@ -241,15 +241,15 @@ void __init of_pdt_build_devicetree(phandle root_node, struct of_pdt_ops *ops)
 	BUG_ON(!ops);
 	of_pdt_prom_ops = ops;
 
-	of_allnodes = of_pdt_create_node(root_node, NULL);
+	allnodes = of_pdt_create_node(root_node, NULL);
 #if defined(CONFIG_SPARC)
-	of_allnodes->path_component_name = "";
+	allnodes->path_component_name = "";
 #endif
-	of_allnodes->full_name = "/";
+	allnodes->full_name = "/";
 
-	nextp = &of_allnodes->allnext;
-	of_allnodes->child = of_pdt_build_tree(of_allnodes,
-			of_pdt_prom_ops->getchild(of_allnodes->phandle), &nextp);
+	nextp = &allnodes->allnext;
+	allnodes->child = of_pdt_build_tree(allnodes,
+			of_pdt_prom_ops->getchild(allnodes->phandle), &nextp);
 
 	/* Get pointer to "/chosen" and "/aliasas" nodes for use everywhere */
 	of_alias_scan(kernel_tree_alloc);
diff --git a/trunk/drivers/spi/spi.c b/trunk/drivers/spi/spi.c
index d3e64080c409..84c2861d6f4d 100644
--- a/trunk/drivers/spi/spi.c
+++ b/trunk/drivers/spi/spi.c
@@ -819,7 +819,7 @@ static void of_register_spi_devices(struct spi_master *master)
 	if (!master->dev.of_node)
 		return;
 
-	for_each_available_child_of_node(master->dev.of_node, nc) {
+	for_each_child_of_node(master->dev.of_node, nc) {
 		/* Alloc an spi_device */
 		spi = spi_alloc_device(master);
 		if (!spi) {
diff --git a/trunk/include/linux/of.h b/trunk/include/linux/of.h
index 60053bd7e79a..13e0aacb4d9f 100644
--- a/trunk/include/linux/of.h
+++ b/trunk/include/linux/of.h
@@ -88,14 +88,14 @@ static inline void of_node_put(struct device_node *node) { }
 #ifdef CONFIG_OF
 
 /* Pointer for first entry in chain of all nodes. */
-extern struct device_node *of_allnodes;
+extern struct device_node *allnodes;
 extern struct device_node *of_chosen;
 extern struct device_node *of_aliases;
 extern rwlock_t devtree_lock;
 
 static inline bool of_have_populated_dt(void)
 {
-	return of_allnodes != NULL;
+	return allnodes != NULL;
 }
 
 static inline bool of_node_is_root(const struct device_node *node)
@@ -270,7 +270,7 @@ extern int of_n_size_cells(struct device_node *np);
 extern const struct of_device_id *of_match_node(
 	const struct of_device_id *matches, const struct device_node *node);
 extern int of_modalias_node(struct device_node *node, char *modalias, int len);
-extern struct device_node *of_parse_phandle(const struct device_node *np,
+extern struct device_node *of_parse_phandle(struct device_node *np,
 					    const char *phandle_name,
 					    int index);
 extern int of_parse_phandle_with_args(struct device_node *np,
@@ -438,7 +438,7 @@ static inline int of_property_match_string(struct device_node *np,
 	return -ENOSYS;
 }
 
-static inline struct device_node *of_parse_phandle(const struct device_node *np,
+static inline struct device_node *of_parse_phandle(struct device_node *np,
 						   const char *phandle_name,
 						   int index)
 {
diff --git a/trunk/scripts/Makefile.lib b/trunk/scripts/Makefile.lib
index 0be6f110cce7..bdf42fdf64c9 100644
--- a/trunk/scripts/Makefile.lib
+++ b/trunk/scripts/Makefile.lib
@@ -266,6 +266,9 @@ $(obj)/%.dtb.S: $(obj)/%.dtb
 quiet_cmd_dtc = DTC     $@
 cmd_dtc = $(objtree)/scripts/dtc/dtc -O dtb -o $@ -b 0 $(DTC_FLAGS) -d $(depfile) $<
 
+$(obj)/%.dtb: $(src)/%.dts FORCE
+	$(call if_changed_dep,dtc)
+
 # Bzip2
 # ---------------------------------------------------------------------------