[PATCH] micro optimise pSeries_probe

[Anton Blanchard]

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

Signed-off-by: Anton Blanchard <anton at samba.org>
---

Index: kernel/arch/powerpc/platforms/pseries/setup.c
===================================================================
--- kernel.orig/arch/powerpc/platforms/pseries/setup.c	2006-10-24 10:23:28.234782030 -0500
+++ kernel/arch/powerpc/platforms/pseries/setup.c	2006-10-24 10:26:19.068732015 -0500
@@ -503,8 +503,8 @@ static int __init pSeries_probe_hypertas
 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"))