[PATCH v2 07/28] powerpc/pseries/mobility: don't error on absence of ibm, update-nodes

[Nathan Lynch]

Treat the absence of the ibm,update-nodes function as benign instead
of reporting an error. If the platform does not provide that facility,
it's not a problem for Linux.

Signed-off-by: Nathan Lynch <nath...@linux.ibm.com>
---
 arch/powerpc/platforms/pseries/mobility.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/powerpc/platforms/pseries/mobility.c 
b/arch/powerpc/platforms/pseries/mobility.c
index 6ff642e84c6a..e66359b00297 100644
--- a/arch/powerpc/platforms/pseries/mobility.c
+++ b/arch/powerpc/platforms/pseries/mobility.c
@@ -261,7 +261,7 @@ int pseries_devicetree_update(s32 scope)
 
        update_nodes_token = rtas_token("ibm,update-nodes");
        if (update_nodes_token == RTAS_UNKNOWN_SERVICE)
-               return -EINVAL;
+               return 0;
 
        rtas_buf = kzalloc(RTAS_DATA_BUF_SIZE, GFP_KERNEL);
        if (!rtas_buf)
-- 
2.28.0