Start split out of common open firmware code

This creates drivers/of/base.c (depending on CONFIG_OF) and puts
the first trivially common bits from the prom.c files into it.

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>

2 files changed, 3 insertions, 42 deletions

diff --git a/arch/sparc/Kconfig b/arch/sparc/Kconfig
index 603d83ad65c8..9d327ec59759 100644
--- a/arch/sparc/Kconfig
+++ b/arch/sparc/Kconfig
@@ -24,6 +24,9 @@ config GENERIC_ISA_DMA
 config ARCH_NO_VIRT_TO_BUS
         def_bool y
 
+config OF
+        def_bool y
+
 source "init/Kconfig"
 
 menu "General machine setup"
diff --git a/arch/sparc/kernel/prom.c b/arch/sparc/kernel/prom.c
index eed140b3c739..ac3f3c29b174 100644
--- a/arch/sparc/kernel/prom.c
+++ b/arch/sparc/kernel/prom.c
@@ -168,18 +168,6 @@ struct property *of_find_property(const struct device_node *np,
 }
 EXPORT_SYMBOL(of_find_property);
 
-/*
- * Find a property with a given name for a given node
- * and return the value.
- */
-const void *of_get_property(const struct device_node *np, const char *name,
-                            int *lenp)
-{
-        struct property *pp = of_find_property(np,name,lenp);
-        return pp ? pp->value : NULL;
-}
-EXPORT_SYMBOL(of_get_property);
-
 int of_getintprop_default(struct device_node *np, const char *name, int def)
 {
         struct property *prop;
@@ -193,36 +181,6 @@ int of_getintprop_default(struct device_node *np, const char *name, int def)
 }
 EXPORT_SYMBOL(of_getintprop_default);
 
-int of_n_addr_cells(struct device_node *np)
-{
-        const int* ip;
-        do {
-                if (np->parent)
-                        np = np->parent;
-                ip = of_get_property(np, "#address-cells", NULL);
-                if (ip != NULL)
-                        return *ip;
-        } while (np->parent);
-        /* No #address-cells property for the root node, default to 2 */
-        return 2;
-}
-EXPORT_SYMBOL(of_n_addr_cells);
-
-int of_n_size_cells(struct device_node *np)
-{
-        const int* ip;
-        do {
-                if (np->parent)
-                        np = np->parent;
-                ip = of_get_property(np, "#size-cells", NULL);
-                if (ip != NULL)
-                        return *ip;
-        } while (np->parent);
-        /* No #size-cells property for the root node, default to 1 */
-        return 1;
-}
-EXPORT_SYMBOL(of_n_size_cells);
-
 int of_set_property(struct device_node *dp, const char *name, void *val, int len)
 {
         struct property **prevp;