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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 c7dd4dec4df8..b22a83a91cb8 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)
315 struct device_node *root; 315 struct device_node *root;
316 const char *vec5; 316 const char *vec5;
317 317
318 root = of_find_node_by_path("/rtas"); 318 if (firmware_has_feature(FW_FEATURE_OPAL))
319 root = of_find_node_by_path("/ibm,opal");
320 else
321 root = of_find_node_by_path("/rtas");
319 if (!root) 322 if (!root)
320 root = of_find_node_by_path("/"); 323 root = of_find_node_by_path("/");
321 324
@@ -344,12 +347,19 @@ static int __init find_min_common_depth(void)
344 347
345#define VEC5_AFFINITY_BYTE 5 348#define VEC5_AFFINITY_BYTE 5
346#define VEC5_AFFINITY 0x80 349#define VEC5_AFFINITY 0x80
347 chosen = of_find_node_by_path("/chosen"); 350
348 if (chosen) { 351 if (firmware_has_feature(FW_FEATURE_OPAL))
349 vec5 = of_get_property(chosen, "ibm,architecture-vec-5", NULL); 352 form1_affinity = 1;
350 if (vec5 && (vec5[VEC5_AFFINITY_BYTE] & VEC5_AFFINITY)) { 353 else {
351 dbg("Using form 1 affinity\n"); 354 chosen = of_find_node_by_path("/chosen");
352 form1_affinity = 1; 355 if (chosen) {
356 vec5 = of_get_property(chosen,
357 "ibm,architecture-vec-5", NULL);
358 if (vec5 && (vec5[VEC5_AFFINITY_BYTE] &
359 VEC5_AFFINITY)) {
360 dbg("Using form 1 affinity\n");
361 form1_affinity = 1;
362 }
353 } 363 }
354 } 364 }
355 365