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-rw-r--r--drivers/base/topology.c10
1 files changed, 10 insertions, 0 deletions
diff --git a/drivers/base/topology.c b/drivers/base/topology.c
index e9d1efcda89b..ac6ad9ab67f9 100644
--- a/drivers/base/topology.c
+++ b/drivers/base/topology.c
@@ -152,9 +152,19 @@ static struct attribute *default_attrs[] = {
NULL
};
+static umode_t topology_is_visible(struct kobject *kobj,
+ struct attribute *attr, int unused)
+{
+ if (attr == &dev_attr_ppin.attr && !topology_ppin(kobj_to_dev(kobj)->id))
+ return 0;
+
+ return attr->mode;
+}
+
static const struct attribute_group topology_attr_group = {
.attrs = default_attrs,
.bin_attrs = bin_attrs,
+ .is_visible = topology_is_visible,
.name = "topology"
};