diff --git a/arch/powerpc/platforms/pseries/setup.c b/arch/powerpc/platforms/pseries/setup.c
index 6090d753c44c..3e2f7467057d 100644
--- a/arch/powerpc/platforms/pseries/setup.c
+++ b/arch/powerpc/platforms/pseries/setup.c
@@ -433,8 +433,8 @@ static int __init pSeries_probe_hypertas(unsigned long node,
 static int __init pSeries_probe(void)
 {
 	unsigned long root = of_get_flat_dt_root();
- 	char *dtype = of_get_flat_dt_prop(of_get_flat_dt_root(),
- 					  "device_type", NULL);
+ 	char *dtype = of_get_flat_dt_prop(root, "device_type", NULL);
+
  	if (dtype == NULL)
  		return 0;
  	if (strcmp(dtype, "chrp"))