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authorDavid S. Miller <davem@davemloft.net>2006-06-29 17:34:12 -0400
committerDavid S. Miller <davem@sunset.davemloft.net>2006-06-29 19:37:10 -0400
commit3ae9a3489a4e2ba665a344a9250c2af05b7b0c59 (patch)
tree7b78ceaafb19a63e195568642ede37670d88388b /arch/sparc
parent286bbe87c143ca7ecee5bb499cd78048c5a05d49 (diff)
[SPARC]: Add of_n_{addr,size}_cells().
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'arch/sparc')
-rw-r--r--arch/sparc/kernel/prom.c30
1 files changed, 30 insertions, 0 deletions
diff --git a/arch/sparc/kernel/prom.c b/arch/sparc/kernel/prom.c
index 946ce6d15819..4b06dcb00ebd 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)
190} 190}
191EXPORT_SYMBOL(of_getintprop_default); 191EXPORT_SYMBOL(of_getintprop_default);
192 192
193int of_n_addr_cells(struct device_node *np)
194{
195 int* ip;
196 do {
197 if (np->parent)
198 np = np->parent;
199 ip = of_get_property(np, "#address-cells", NULL);
200 if (ip != NULL)
201 return *ip;
202 } while (np->parent);
203 /* No #address-cells property for the root node, default to 2 */
204 return 2;
205}
206EXPORT_SYMBOL(of_n_addr_cells);
207
208int of_n_size_cells(struct device_node *np)
209{
210 int* ip;
211 do {
212 if (np->parent)
213 np = np->parent;
214 ip = of_get_property(np, "#size-cells", NULL);
215 if (ip != NULL)
216 return *ip;
217 } while (np->parent);
218 /* No #size-cells property for the root node, default to 1 */
219 return 1;
220}
221EXPORT_SYMBOL(of_n_size_cells);
222
193int of_set_property(struct device_node *dp, const char *name, void *val, int len) 223int of_set_property(struct device_node *dp, const char *name, void *val, int len)
194{ 224{
195 struct property **prevp; 225 struct property **prevp;