[SPARC]: Add unique device_node IDs and a ".node" property.

Signed-off-by: David S. Miller <davem@davemloft.net>

arch/sparc/kernel/prom.c

@@ -407,7 +407,9 @@ static char * __init build_full_name(struct device_node *dp)
 	return n;
 }
 
-static struct property * __init build_one_prop(phandle node, char *prev)
+static unsigned int unique_id;
+
+static struct property * __init build_one_prop(phandle node, char *prev, char *special_name, void *special_val, int special_len)
 {
 	static struct property *tmp = NULL;
 	struct property *p;
@@ -417,10 +419,17 @@ static struct property * __init build_one_prop(phandle node, char *prev)
 		p = tmp;
 		memset(p, 0, sizeof(*p) + 32);
 		tmp = NULL;
-	} else
+	} else {
 		p = prom_early_alloc(sizeof(struct property) + 32);
+		p->unique_id = unique_id++;
+	}
 
 	p->name = (char *) (p + 1);
+	if (special_name) {
+		p->length = special_len;
+		p->value = prom_early_alloc(special_len);
+		memcpy(p->value, special_val, special_len);
+	} else {
 		if (prev == NULL) {
 			prom_firstprop(node, p->name);
 		} else {
@@ -434,8 +443,10 @@ static struct property * __init build_one_prop(phandle node, char *prev)
 		if (p->length <= 0) {
 			p->length = 0;
 		} else {
-		p->value = prom_early_alloc(p->length);
-		len = prom_getproperty(node, p->name, p->value, p->length);
+			p->value = prom_early_alloc(p->length + 1);
+			prom_getproperty(node, p->name, p->value, p->length);
+			((unsigned char *)p->value)[p->length] = '\0';
+		}
 	}
 	return p;
 }
@@ -444,9 +455,14 @@ static struct property * __init build_prop_list(phandle node)
 {
 	struct property *head, *tail;
 
-	head = tail = build_one_prop(node, NULL);
+	head = tail = build_one_prop(node, NULL,
+				     ".node", &node, sizeof(node));
+
+	tail->next = build_one_prop(node, NULL, NULL, NULL, 0);
+	tail = tail->next;
 	while(tail) {
-		tail->next = build_one_prop(node, tail->name);
+		tail->next = build_one_prop(node, tail->name,
+					    NULL, NULL, 0);
 		tail = tail->next;
 	}
 
@@ -475,6 +491,7 @@ static struct device_node * __init create_node(phandle node)
 		return NULL;
 
 	dp = prom_early_alloc(sizeof(*dp));
+	dp->unique_id = unique_id++;
 
 	kref_init(&dp->kref);
 

arch/sparc64/kernel/prom.c

@@ -584,7 +584,9 @@ static char * __init build_full_name(struct device_node *dp)
 	return n;
 }
 
-static struct property * __init build_one_prop(phandle node, char *prev)
+static unsigned int unique_id;
+
+static struct property * __init build_one_prop(phandle node, char *prev, char *special_name, void *special_val, int special_len)
 {
 	static struct property *tmp = NULL;
 	struct property *p;
@@ -593,10 +595,18 @@ static struct property * __init build_one_prop(phandle node, char *prev)
 		p = tmp;
 		memset(p, 0, sizeof(*p) + 32);
 		tmp = NULL;
-	} else
+	} else {
 		p = prom_early_alloc(sizeof(struct property) + 32);
+		p->unique_id = unique_id++;
+	}
 
 	p->name = (char *) (p + 1);
+	if (special_name) {
+		strcpy(p->name, special_name);
+		p->length = special_len;
+		p->value = prom_early_alloc(special_len);
+		memcpy(p->value, special_val, special_len);
+	} else {
 		if (prev == NULL) {
 			prom_firstprop(node, p->name);
 		} else {
@@ -610,8 +620,10 @@ static struct property * __init build_one_prop(phandle node, char *prev)
 		if (p->length <= 0) {
 			p->length = 0;
 		} else {
-		p->value = prom_early_alloc(p->length);
+			p->value = prom_early_alloc(p->length + 1);
 			prom_getproperty(node, p->name, p->value, p->length);
+			((unsigned char *)p->value)[p->length] = '\0';
+		}
 	}
 	return p;
 }
@@ -620,9 +632,14 @@ static struct property * __init build_prop_list(phandle node)
 {
 	struct property *head, *tail;
 
-	head = tail = build_one_prop(node, NULL);
+	head = tail = build_one_prop(node, NULL,
+				     ".node", &node, sizeof(node));
+
+	tail->next = build_one_prop(node, NULL, NULL, NULL, 0);
+	tail = tail->next;
 	while(tail) {
-		tail->next = build_one_prop(node, tail->name);
+		tail->next = build_one_prop(node, tail->name,
+					    NULL, NULL, 0);
 		tail = tail->next;
 	}
 
@@ -651,6 +668,7 @@ static struct device_node * __init create_node(phandle node)
 		return NULL;
 
 	dp = prom_early_alloc(sizeof(*dp));
+	dp->unique_id = unique_id++;
 
 	kref_init(&dp->kref);
 

include/asm-sparc/prom.h

@@ -36,6 +36,7 @@ struct property {
 	void	*value;
 	struct property *next;
 	unsigned long _flags;
+	unsigned int unique_id;
 };
 
 struct device_node {
@@ -59,6 +60,7 @@ struct device_node {
 	struct  kref kref;
 	unsigned long _flags;
 	void	*data;
+	unsigned int unique_id;
 };
 
 /* flag descriptions */

include/asm-sparc64/prom.h

@@ -36,6 +36,7 @@ struct property {
 	void	*value;
 	struct property *next;
 	unsigned long _flags;
+	unsigned int unique_id;
 };
 
 struct device_node {
@@ -59,6 +60,7 @@ struct device_node {
 	struct  kref kref;
 	unsigned long _flags;
 	void	*data;
+	unsigned int unique_id;
 };
 
 /* flag descriptions */