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authorGavin Shan <shangw@linux.vnet.ibm.com>2012-09-07 22:44:04 +0000
committerBenjamin Herrenschmidt <benh@kernel.crashing.org>2012-09-10 09:35:29 +1000
commit3ea1ae989a9ddcfe15b80dc8cea5c4d38a13b9ab (patch)
treed6f3e4667c9e81ce2112923712868c813c0d7619
parent7e4bbaf0bf13c33be275e8a17997597dfd0ed03a (diff)
downloadop-kernel-dev-3ea1ae989a9ddcfe15b80dc8cea5c4d38a13b9ab.zip
op-kernel-dev-3ea1ae989a9ddcfe15b80dc8cea5c4d38a13b9ab.tar.gz
powerpc/eeh: More logs for EEH initialization
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> Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
-rw-r--r--arch/powerpc/platforms/pseries/eeh_dev.c2
-rw-r--r--arch/powerpc/platforms/pseries/eeh_pseries.c14
2 files changed, 15 insertions, 1 deletions
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..cf6d6cc 100644
--- a/arch/powerpc/platforms/pseries/eeh_pseries.c
+++ b/arch/powerpc/platforms/pseries/eeh_pseries.c
@@ -561,7 +561,19 @@ 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 (%d)\n",
+ ret);
+
+ return ret;
}
early_initcall(eeh_pseries_init);
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