[03/21] ppc/eeh: more logs for EEH initialization

Submitted by Gavin Shan on Sept. 5, 2012, 6:14 a.m.

Details

Message ID 1346825696-13960-4-git-send-email-shangw@linux.vnet.ibm.com
State Changes Requested
Headers show

Commit Message

Gavin Shan Sept. 5, 2012, 6:14 a.m.
The patch adds more logs to EEH initialization functions for
debugging purpose. Also, the machine type ("pSeries") is checked
in the platform initialization to assure it's the correct platform
to invoke it.

Signed-off-by: Gavin Shan <shangw@linux.vnet.ibm.com>
---
 arch/powerpc/platforms/pseries/eeh_dev.c     |    2 ++
 arch/powerpc/platforms/pseries/eeh_pseries.c |   13 ++++++++++++-
 2 files changed, 14 insertions(+), 1 deletions(-)

Patch hide | download patch | download mbox

diff --git a/arch/powerpc/platforms/pseries/eeh_dev.c b/arch/powerpc/platforms/pseries/eeh_dev.c
index 8e3443b..a0cee3a 100644
--- a/arch/powerpc/platforms/pseries/eeh_dev.c
+++ b/arch/powerpc/platforms/pseries/eeh_dev.c
@@ -100,6 +100,8 @@  static int __init eeh_dev_phb_init(void)
 	list_for_each_entry_safe(phb, tmp, &hose_list, list_node)
 		eeh_dev_phb_init_dynamic(phb);
 
+	pr_info("EEH: devices created\n");
+
 	return 0;
 }
 
diff --git a/arch/powerpc/platforms/pseries/eeh_pseries.c b/arch/powerpc/platforms/pseries/eeh_pseries.c
index 5e2805a..46616c8 100644
--- a/arch/powerpc/platforms/pseries/eeh_pseries.c
+++ b/arch/powerpc/platforms/pseries/eeh_pseries.c
@@ -561,7 +561,18 @@  static struct eeh_ops pseries_eeh_ops = {
  */
 static int __init eeh_pseries_init(void)
 {
-	return eeh_ops_register(&pseries_eeh_ops);
+	int ret = -EINVAL;
+
+	if (!machine_is(pseries))
+		return ret;
+
+	ret = eeh_ops_register(&pseries_eeh_ops);
+	if (!ret)
+		pr_info("EEH: pSeries platform initialized\n");
+	else
+		pr_info("EEH: pSeries platform initialization failure\n");
+
+	return ret;
 }
 
 early_initcall(eeh_pseries_init);