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powerpc/pseries/mobility: don't error on absence of ibm, update-nodes
author
Nathan Lynch
<nathanl@linux.ibm.com>
Mon, 7 Dec 2020 21:51:39 +0000
(15:51 -0600)
committer
Michael Ellerman
<mpe@ellerman.id.au>
Tue, 8 Dec 2020 10:40:55 +0000
(21:40 +1100)
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 <nathanl@linux.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link:
https://lore.kernel.org/r/20201207215200.1785968-8-nathanl@linux.ibm.com
arch/powerpc/platforms/pseries/mobility.c
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diff --git
a/arch/powerpc/platforms/pseries/mobility.c
b/arch/powerpc/platforms/pseries/mobility.c
index
6ff642e
..
e66359b
100644
(file)
--- 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)