[POWERPC] micro optimise pSeries_probe

We find the OF root the line before, we may as well use it.

Signed-off-by: Anton Blanchard <anton@samba.org>
Signed-off-by: Paul Mackerras <paulus@samba.org>

1 files changed, 2 insertions, 2 deletions

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"))