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

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@watson.ibm.com>
Signed-off-by: Paul Mackerras <paulus@samba.org>

diff --git a/arch/powerpc/kernel/proc_ppc64.c b/arch/powerpc/kernel/proc_ppc64.c
index 3c2cf66..2b87f82 100644 (file)
--- 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))