From 3ae9a3489a4e2ba665a344a9250c2af05b7b0c59 Mon Sep 17 00:00:00 2001
From: "David S. Miller" <davem@davemloft.net>
Date: Thu, 29 Jun 2006 14:34:12 -0700
Subject: [SPARC]: Add of_n_{addr,size}_cells().
Signed-off-by: David S. Miller <davem@davemloft.net>
---
arch/sparc/kernel/prom.c | 30 ++++++++++++++++++++++++++++++
arch/sparc64/kernel/prom.c | 30 ++++++++++++++++++++++++++++++
include/asm-sparc/prom.h | 2 ++
include/asm-sparc64/prom.h | 2 ++
4 files changed, 64 insertions(+)
diff --git a/arch/sparc/kernel/prom.c b/arch/sparc/kernel/prom.c
index 946ce6d158..4b06dcb00e 100644
--- a/arch/sparc/kernel/prom.c
+++ b/arch/sparc/kernel/prom.c
@@ -190,6 +190,36 @@ 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)
+{
+ 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)
+{
+ 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;
diff --git a/arch/sparc64/kernel/prom.c b/arch/sparc64/kernel/prom.c
index 8e87e7ea03..6aa856a181 100644
--- a/arch/sparc64/kernel/prom.c
+++ b/arch/sparc64/kernel/prom.c
@@ -190,6 +190,36 @@ 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)
+{
+ 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)
+{
+ 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;
diff --git a/include/asm-sparc/prom.h b/include/asm-sparc/prom.h
index f9cf44c071..7032d02d31 100644
--- a/include/asm-sparc/prom.h
+++ b/include/asm-sparc/prom.h
@@ -101,6 +101,8 @@ extern int of_set_property(struct device_node *node, const char *name, void *val
extern int of_getintprop_default(struct device_node *np,
const char *name,
int def);
+extern int of_n_addr_cells(struct device_node *np);
+extern int of_n_size_cells(struct device_node *np);
extern void prom_build_devicetree(void);
diff --git a/include/asm-sparc64/prom.h b/include/asm-sparc64/prom.h
index 265614d497..4cecfe6d13 100644
--- a/include/asm-sparc64/prom.h
+++ b/include/asm-sparc64/prom.h
@@ -101,6 +101,8 @@ extern int of_set_property(struct device_node *node, const char *name, void *val
extern int of_getintprop_default(struct device_node *np,
const char *name,
int def);
+extern int of_n_addr_cells(struct device_node *np);
+extern int of_n_size_cells(struct device_node *np);
extern void prom_build_devicetree(void);
--
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