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authorMartin Schwidefsky <schwidefsky@de.ibm.com>2009-10-29 15:04:08 +0100
committerMartin Schwidefsky <sky@mschwide.boeblingen.de.ibm.com>2009-10-29 15:05:12 +0100
commit8ca45667f966968132c772ddbb6468b41a817c19 (patch)
tree89c65b787c127eda6e3b2737f8a8a93f9b5456f8 /drivers/s390
parent3f0b3c33eeed400577b47fab8439ffe6f40aa97a (diff)
downloadlinux-8ca45667f966968132c772ddbb6468b41a817c19.tar.gz
[S390] s/r: cmm resume fix
If a suspended z/VM guest has been logged off before the resume the
'SET SMSG IUCV' CP command need to be repeated to reenable sending
message via SMSG. This fixes the following error:

HCPMFS057I H4214002 not receiving; SMSG off
Error: non-zero CP response for command 'SMSG H4214002 CMM SHRINK 5010': #57

Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Diffstat (limited to 'drivers/s390')
-rw-r--r--drivers/s390/net/smsgiucv.c7
1 files changed, 6 insertions, 1 deletions
diff --git a/drivers/s390/net/smsgiucv.c b/drivers/s390/net/smsgiucv.c
index 102000d1af6f..3012355f8304 100644
--- a/drivers/s390/net/smsgiucv.c
+++ b/drivers/s390/net/smsgiucv.c
@@ -158,7 +158,12 @@ static int smsg_pm_restore_thaw(struct device *dev)
 		smsg_path->flags = 0;
 		rc = iucv_path_connect(smsg_path, &smsg_handler, "*MSG    ",
 				       NULL, NULL, NULL);
-		printk(KERN_ERR "iucv_path_connect returned with rc %i\n", rc);
+#ifdef CONFIG_PM_DEBUG
+		if (rc)
+			printk(KERN_ERR
+			       "iucv_path_connect returned with rc %i\n", rc);
+#endif
+		cpcmd("SET SMSG IUCV", NULL, 0, NULL);
 	}
 	return 0;
 }