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-rw-r--r--drivers/base/core.c20
-rw-r--r--include/linux/device.h1
2 files changed, 14 insertions, 7 deletions
diff --git a/drivers/base/core.c b/drivers/base/core.c
index 40041319657d..d021c98605b3 100644
--- a/drivers/base/core.c
+++ b/drivers/base/core.c
@@ -844,13 +844,19 @@ int device_add(struct device *dev)
{
struct device *parent = NULL;
struct class_interface *class_intf;
- int error;
+ int error = -EINVAL;
dev = get_device(dev);
- if (!dev || !strlen(dev->bus_id)) {
- error = -EINVAL;
- goto Done;
- }
+ if (!dev)
+ goto done;
+
+ /* Temporarily support init_name if it is set.
+ * It will override bus_id for now */
+ if (dev->init_name)
+ dev_set_name(dev, "%s", dev->init_name);
+
+ if (!strlen(dev->bus_id))
+ goto done;
pr_debug("device: '%s': %s\n", dev->bus_id, __func__);
@@ -919,7 +925,7 @@ int device_add(struct device *dev)
class_intf->add_dev(dev, class_intf);
mutex_unlock(&dev->class->p->class_mutex);
}
- Done:
+done:
put_device(dev);
return error;
DPMError:
@@ -946,7 +952,7 @@ int device_add(struct device *dev)
cleanup_device_parent(dev);
if (parent)
put_device(parent);
- goto Done;
+ goto done;
}
/**
diff --git a/include/linux/device.h b/include/linux/device.h
index a701c1b5184c..4d8372d135df 100644
--- a/include/linux/device.h
+++ b/include/linux/device.h
@@ -358,6 +358,7 @@ struct device {
struct kobject kobj;
char bus_id[BUS_ID_SIZE]; /* position on parent bus */
+ const char *init_name; /* initial name of the device */
struct device_type *type;
unsigned uevent_suppress:1;