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Commit 9c740025 authored by Anton Blanchard's avatar Anton Blanchard Committed by Benjamin Herrenschmidt
Browse files

powerpc/pseries: Avoid spurious error during hotplug CPU add 



During hotplug CPU add we get the following error:

Unexpected Error (0) returned from configure-connector

ibm,configure-connector returns 0 for configuration complete, so
catch this and avoid the error.

Signed-off-by: default avatarAnton Blanchard <anton@samba.org>
Signed-off-by: default avatarBenjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: <stable@kernel.org>
parent 0330581a

arch/powerpc/platforms/pseries/dlpar.c

+4 −0
Original line number Diff line number Diff line
@@ -112,6 +112,7 @@ void dlpar_free_cc_nodes(struct device_node *dn) 
	dlpar_free_one_cc_node(dn);

}



#define COMPLETE	0

#define NEXT_SIBLING    1

#define NEXT_CHILD      2

#define NEXT_PROPERTY   3
@@ -158,6 +159,9 @@ struct device_node *dlpar_configure_connector(u32 drc_index) 
		spin_unlock(&rtas_data_buf_lock);



		switch (rc) {

		case COMPLETE:

			break;



		case NEXT_SIBLING:

			dn = dlpar_parse_cc_node(ccwa);

			if (!dn)