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Diffstat (limited to 'arch/powerpc/platforms/powernv/opal-elog.c')
-rw-r--r--arch/powerpc/platforms/powernv/opal-elog.c8
1 files changed, 6 insertions, 2 deletions
diff --git a/arch/powerpc/platforms/powernv/opal-elog.c b/arch/powerpc/platforms/powernv/opal-elog.c
index 0ad533b617f7..518fe95dbf24 100644
--- a/arch/powerpc/platforms/powernv/opal-elog.c
+++ b/arch/powerpc/platforms/powernv/opal-elog.c
@@ -82,9 +82,9 @@ static ssize_t elog_ack_store(struct elog_obj *elog_obj,
}
static struct elog_attribute id_attribute =
- __ATTR(id, 0666, elog_id_show, NULL);
+ __ATTR(id, S_IRUGO, elog_id_show, NULL);
static struct elog_attribute type_attribute =
- __ATTR(type, 0666, elog_type_show, NULL);
+ __ATTR(type, S_IRUGO, elog_type_show, NULL);
static struct elog_attribute ack_attribute =
__ATTR(acknowledge, 0660, elog_ack_show, elog_ack_store);
@@ -295,6 +295,10 @@ int __init opal_elog_init(void)
{
int rc = 0;
+ /* ELOG not supported by firmware */
+ if (!opal_check_token(OPAL_ELOG_READ))
+ return -1;
+
elog_kset = kset_create_and_add("elog", NULL, opal_kobj);
if (!elog_kset) {
pr_warn("%s: failed to create elog kset\n", __func__);