sparc: Move property building code into prom_common.c

Unfortunately there is some sparc32/sparc64 ifdef'ery in
here due to the difference in how the prom_firstprop()
and prom_nextprop() routines work.

This will be eliminated eventually.

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

1 files changed, 81 insertions, 0 deletions

diff --git a/arch/sparc/kernel/prom_common.c b/arch/sparc/kernel/prom_common.c
index a23180801014..762056762b72 100644
--- a/arch/sparc/kernel/prom_common.c
+++ b/arch/sparc/kernel/prom_common.c
@@ -120,3 +120,84 @@ int of_find_in_proplist(const char *list, const char *match, int len)
 EXPORT_SYMBOL(of_find_in_proplist);
 
 unsigned int prom_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;
+        const char *name;
+
+        if (tmp) {
+                p = tmp;
+                memset(p, 0, sizeof(*p) + 32);
+                tmp = NULL;
+        } else {
+                p = prom_early_alloc(sizeof(struct property) + 32);
+                p->unique_id = prom_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 {
+#ifdef CONFIG_SPARC32
+                if (prev == NULL) {
+                        name = prom_firstprop(node, NULL);
+                } else {
+                        name = prom_nextprop(node, prev, NULL);
+                }
+#else
+                if (prev == NULL) {
+                        prom_firstprop(node, p->name);
+                } else {
+                        prom_nextprop(node, prev, p->name);
+                }
+                name = p->name;
+#endif
+                if (strlen(name) == 0) {
+                        tmp = p;
+                        return NULL;
+                }
+#ifdef CONFIG_SPARC32
+                strcpy(p->name, name);
+#endif
+                p->length = prom_getproplen(node, p->name);
+                if (p->length <= 0) {
+                        p->length = 0;
+                } else {
+                        int len;
+
+                        p->value = prom_early_alloc(p->length + 1);
+                        len = prom_getproperty(node, p->name, p->value,
+                                               p->length);
+                        if (len <= 0)
+                                p->length = 0;
+                        ((unsigned char *)p->value)[p->length] = '\0';
+                }
+        }
+        return p;
+}
+
+struct property * __init build_prop_list(phandle node)
+{
+        struct property *head, *tail;
+
+        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,
+                                            NULL, NULL, 0);
+                tail = tail->next;
+        }
+
+        return head;
+}