powerpc/pseries: Update numa.c to use updated firmware_has_feature()
authorNathan Fontenot <nfont@linux.vnet.ibm.com>
Wed, 24 Apr 2013 05:58:23 +0000 (05:58 +0000)
committerBenjamin Herrenschmidt <benh@kernel.crashing.org>
Fri, 26 Apr 2013 06:08:22 +0000 (16:08 +1000)
Update the numa code to use the updated firmware_has_feature() when checking
for type 1 affinity.

Signed-off-by: Nathan Fontenot <nfont@linux.vnet.ibm.com>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
arch/powerpc/mm/numa.c

index 7218e9d3a0bcad63320f60fa852bb865c5823da3..4cee83592b0c6258fe1e1e909859e0fc349d855d 100644 (file)
@@ -291,9 +291,7 @@ EXPORT_SYMBOL_GPL(of_node_to_nid);
 static int __init find_min_common_depth(void)
 {
        int depth;
-       struct device_node *chosen;
        struct device_node *root;
-       const char *vec5;
 
        if (firmware_has_feature(FW_FEATURE_OPAL))
                root = of_find_node_by_path("/ibm,opal");
@@ -325,24 +323,10 @@ static int __init find_min_common_depth(void)
 
        distance_ref_points_depth /= sizeof(int);
 
-#define VEC5_AFFINITY_BYTE     5
-#define VEC5_AFFINITY          0x80
-
-       if (firmware_has_feature(FW_FEATURE_OPAL))
+       if (firmware_has_feature(FW_FEATURE_OPAL) ||
+           firmware_has_feature(FW_FEATURE_TYPE1_AFFINITY)) {
+               dbg("Using form 1 affinity\n");
                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;
-                       }
-
-                       of_node_put(chosen);
-               }
        }
 
        if (form1_affinity) {