[SPARC]: Add unique device_node IDs and a ".node" property.
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/arch/sparc/kernel/prom.c b/arch/sparc/kernel/prom.c
index f3f53f2..946ce6d 100644
--- a/arch/sparc/kernel/prom.c
+++ b/arch/sparc/kernel/prom.c
@@ -407,7 +407,9 @@
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;
@@ -417,25 +419,34 @@
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 (prev == NULL) {
- prom_firstprop(node, p->name);
+ if (special_name) {
+ p->length = special_len;
+ p->value = prom_early_alloc(special_len);
+ memcpy(p->value, special_val, special_len);
} else {
- prom_nextprop(node, prev, p->name);
- }
- if (strlen(p->name) == 0) {
- tmp = p;
- return NULL;
- }
- p->length = prom_getproplen(node, p->name);
- 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);
+ if (prev == NULL) {
+ prom_firstprop(node, p->name);
+ } else {
+ prom_nextprop(node, prev, p->name);
+ }
+ if (strlen(p->name) == 0) {
+ tmp = p;
+ return NULL;
+ }
+ p->length = prom_getproplen(node, p->name);
+ if (p->length <= 0) {
+ p->length = 0;
+ } else {
+ 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 @@
{
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 @@
return NULL;
dp = prom_early_alloc(sizeof(*dp));
+ dp->unique_id = unique_id++;
kref_init(&dp->kref);
diff --git a/arch/sparc64/kernel/prom.c b/arch/sparc64/kernel/prom.c
index c62fd3e..8e87e7e 100644
--- a/arch/sparc64/kernel/prom.c
+++ b/arch/sparc64/kernel/prom.c
@@ -584,7 +584,9 @@
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;
@@ -593,25 +595,35 @@
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 (prev == NULL) {
- prom_firstprop(node, p->name);
+ 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 {
- prom_nextprop(node, prev, p->name);
- }
- if (strlen(p->name) == 0) {
- tmp = p;
- return NULL;
- }
- p->length = prom_getproplen(node, p->name);
- if (p->length <= 0) {
- p->length = 0;
- } else {
- p->value = prom_early_alloc(p->length);
- prom_getproperty(node, p->name, p->value, p->length);
+ if (prev == NULL) {
+ prom_firstprop(node, p->name);
+ } else {
+ prom_nextprop(node, prev, p->name);
+ }
+ if (strlen(p->name) == 0) {
+ tmp = p;
+ return NULL;
+ }
+ p->length = prom_getproplen(node, p->name);
+ if (p->length <= 0) {
+ p->length = 0;
+ } else {
+ 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 @@
{
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 @@
return NULL;
dp = prom_early_alloc(sizeof(*dp));
+ dp->unique_id = unique_id++;
kref_init(&dp->kref);
diff --git a/include/asm-sparc/prom.h b/include/asm-sparc/prom.h
index e9b8047..f9cf44c 100644
--- a/include/asm-sparc/prom.h
+++ b/include/asm-sparc/prom.h
@@ -36,6 +36,7 @@
void *value;
struct property *next;
unsigned long _flags;
+ unsigned int unique_id;
};
struct device_node {
@@ -59,6 +60,7 @@
struct kref kref;
unsigned long _flags;
void *data;
+ unsigned int unique_id;
};
/* flag descriptions */
diff --git a/include/asm-sparc64/prom.h b/include/asm-sparc64/prom.h
index c8022a3..265614d 100644
--- a/include/asm-sparc64/prom.h
+++ b/include/asm-sparc64/prom.h
@@ -36,6 +36,7 @@
void *value;
struct property *next;
unsigned long _flags;
+ unsigned int unique_id;
};
struct device_node {
@@ -59,6 +60,7 @@
struct kref kref;
unsigned long _flags;
void *data;
+ unsigned int unique_id;
};
/* flag descriptions */