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/sparc64/Kconfig b/arch/sparc64/Kconfig
index df6ee71894d..f1cc55677ff 100644
--- a/arch/sparc64/Kconfig
+++ b/arch/sparc64/Kconfig
@@ -65,6 +65,9 @@ config AUDIT_ARCH
 config ARCH_NO_VIRT_TO_BUS
 	def_bool y
 
+config OF
+	def_bool y
+
 choice
 	prompt "Kernel page size"
 	default SPARC64_PAGE_SIZE_8KB
diff --git a/arch/sparc64/kernel/prom.c b/arch/sparc64/kernel/prom.c
index 5d220302cd5..8f926d439c0 100644
--- a/arch/sparc64/kernel/prom.c
+++ b/arch/sparc64/kernel/prom.c
@@ -173,18 +173,6 @@ 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;
@@ -198,36 +186,6 @@ 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;