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-rw-r--r--arch/powerpc/mm/numa.c24
1 files changed, 17 insertions, 7 deletions
diff --git a/arch/powerpc/mm/numa.c b/arch/powerpc/mm/numa.c
index c7dd4de..b22a83a 100644
--- a/arch/powerpc/mm/numa.c
+++ b/arch/powerpc/mm/numa.c
@@ -315,7 +315,10 @@ static int __init find_min_common_depth(void)
struct device_node *root;
const char *vec5;
- root = of_find_node_by_path("/rtas");
+ if (firmware_has_feature(FW_FEATURE_OPAL))
+ root = of_find_node_by_path("/ibm,opal");
+ else
+ root = of_find_node_by_path("/rtas");
if (!root)
root = of_find_node_by_path("/");
@@ -344,12 +347,19 @@ static int __init find_min_common_depth(void)
#define VEC5_AFFINITY_BYTE 5
#define VEC5_AFFINITY 0x80
- chosen = of_find_node_by_path("/chosen");
- if (chosen) {
- vec5 = of_get_property(chosen, "ibm,architecture-vec-5", NULL);
- if (vec5 && (vec5[VEC5_AFFINITY_BYTE] & VEC5_AFFINITY)) {
- dbg("Using form 1 affinity\n");
- form1_affinity = 1;
+
+ if (firmware_has_feature(FW_FEATURE_OPAL))
+ form1_affinity = 1;
+ else {
+ chosen = of_find_node_by_path("/chosen");
+ if (chosen) {
+ vec5 = of_get_property(chosen,
+ "ibm,architecture-vec-5", NULL);
+ if (vec5 && (vec5[VEC5_AFFINITY_BYTE] &
+ VEC5_AFFINITY)) {
+ dbg("Using form 1 affinity\n");
+ form1_affinity = 1;
+ }
}
}