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path: root/drivers/misc/enclosure.c
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Diffstat (limited to 'drivers/misc/enclosure.c')
-rw-r--r--drivers/misc/enclosure.c13
1 files changed, 13 insertions, 0 deletions
diff --git a/drivers/misc/enclosure.c b/drivers/misc/enclosure.c
index e18278aa6bbb..958ee988a1e1 100644
--- a/drivers/misc/enclosure.c
+++ b/drivers/misc/enclosure.c
@@ -432,8 +432,21 @@ static ssize_t components_show(struct device *cdev,
}
static DEVICE_ATTR_RO(components);
+static ssize_t id_show(struct device *cdev,
+ struct device_attribute *attr,
+ char *buf)
+{
+ struct enclosure_device *edev = to_enclosure_device(cdev);
+
+ if (edev->cb->show_id)
+ return edev->cb->show_id(edev, buf);
+ return -EINVAL;
+}
+static DEVICE_ATTR_RO(id);
+
static struct attribute *enclosure_class_attrs[] = {
&dev_attr_components.attr,
+ &dev_attr_id.attr,
NULL,
};
ATTRIBUTE_GROUPS(enclosure_class);