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-rw-r--r--arch/powerpc/kernel/prom.c9
1 files changed, 8 insertions, 1 deletions
diff --git a/arch/powerpc/kernel/prom.c b/arch/powerpc/kernel/prom.c
index f645adb5753..5af39f86673 100644
--- a/arch/powerpc/kernel/prom.c
+++ b/arch/powerpc/kernel/prom.c
@@ -1264,7 +1264,14 @@ static int __init early_init_dt_scan_memory(unsigned long node,
unsigned long l;
/* We are scanning "memory" nodes only */
- if (type == NULL || strcmp(type, "memory") != 0)
+ if (type == NULL) {
+ /*
+ * The longtrail doesn't have a device_type on the
+ * /memory node, so look for the node called /memory@0.
+ */
+ if (depth != 1 || strcmp(uname, "memory@0") != 0)
+ return 0;
+ } else if (strcmp(type, "memory") != 0)
return 0;
reg = (cell_t *)of_get_flat_dt_prop(node, "reg", &l);