[PATCH] Create /proc/rtas,/proc/ppc64/rtas if RTAS exists.

[mostrows at watson.ibm.com]

Use the existence of RTAS device tree node to determine if
/proc/rtas. /proc/ppc64/rtas are to be created.  Using machine type
is not reliable (i.e. Maple-like machines may have RTAS).

--
Signed-off-by: Michal Ostrowski <mostrows at watson.ibm.com>

---

 arch/powerpc/kernel/proc_ppc64.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

d8054b07bbf12e0178ec5ad7ce6a750a3af53064
diff --git a/arch/powerpc/kernel/proc_ppc64.c b/arch/powerpc/kernel/proc_ppc64.c
index 3c2cf66..2b87f82 100644
--- a/arch/powerpc/kernel/proc_ppc64.c
+++ b/arch/powerpc/kernel/proc_ppc64.c
@@ -52,7 +52,7 @@ static int __init proc_ppc64_create(void
 	if (!root)
 		return 1;
 
-	if (!machine_is(pseries) && !machine_is(cell))
+	if (!of_find_node_by_path("/rtas"))
 		return 0;
 
 	if (!proc_mkdir("rtas", root))
-- 
1.1.4.g0b63-dirty