Consolidate of_find_node_by routines

This consolidates the routines of_find_node_by_path, of_find_node_by_name,
of_find_node_by_type and of_find_compatible_device.  Again, the comparison
of strings are done differently by Sparc and PowerPC and also these add
read_locks around the iterations.

Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>
Acked-by: Paul Mackerras <paulus@samba.org>
Acked-by: David S. Miller <davem@davemloft.net>

1 files changed, 1 insertions, 60 deletions

diff --git a/arch/sparc64/kernel/prom.c b/arch/sparc64/kernel/prom.c
index ee96ef61bc99..2b2017ce2267 100644
--- a/arch/sparc64/kernel/prom.c
+++ b/arch/sparc64/kernel/prom.c
@@ -30,23 +30,10 @@
 #include <asm/upa.h>
 #include <asm/smp.h>
 
-static struct device_node *allnodes;
+extern struct device_node *allnodes;    /* temporary while merging */
 
 extern rwlock_t devtree_lock;   /* temporary while merging */
 
-struct device_node *of_find_node_by_path(const char *path)
-{
-        struct device_node *np = allnodes;
-
-        for (; np != 0; np = np->allnext) {
-                if (np->full_name != 0 && strcmp(np->full_name, path) == 0)
-                        break;
-        }
-
-        return np;
-}
-EXPORT_SYMBOL(of_find_node_by_path);
-
 struct device_node *of_find_node_by_phandle(phandle handle)
 {
         struct device_node *np;
@@ -59,52 +46,6 @@ struct device_node *of_find_node_by_phandle(phandle handle)
 }
 EXPORT_SYMBOL(of_find_node_by_phandle);
 
-struct device_node *of_find_node_by_name(struct device_node *from,
-        const char *name)
-{
-        struct device_node *np;
-
-        np = from ? from->allnext : allnodes;
-        for (; np != NULL; np = np->allnext)
-                if (np->name != NULL && strcmp(np->name, name) == 0)
-                        break;
-
-        return np;
-}
-EXPORT_SYMBOL(of_find_node_by_name);
-
-struct device_node *of_find_node_by_type(struct device_node *from,
-        const char *type)
-{
-        struct device_node *np;
-
-        np = from ? from->allnext : allnodes;
-        for (; np != 0; np = np->allnext)
-                if (np->type != 0 && strcmp(np->type, type) == 0)
-                        break;
-
-        return np;
-}
-EXPORT_SYMBOL(of_find_node_by_type);
-
-struct device_node *of_find_compatible_node(struct device_node *from,
-        const char *type, const char *compatible)
-{
-        struct device_node *np;
-
-        np = from ? from->allnext : allnodes;
-        for (; np != 0; np = np->allnext) {
-                if (type != NULL
-                    && !(np->type != 0 && strcmp(np->type, type) == 0))
-                        continue;
-                if (of_device_is_compatible(np, compatible))
-                        break;
-        }
-
-        return np;
-}
-EXPORT_SYMBOL(of_find_compatible_node);
-
 int of_getintprop_default(struct device_node *np, const char *name, int def)
 {
         struct property *prop;