drm: Enable drm drivers to add drm sysfs devices.

[deliverable/linux.git] / drivers / gpu / drm / drm_sysfs.c

diff --git a/drivers/gpu/drm/drm_sysfs.c b/drivers/gpu/drm/drm_sysfs.c
index adc179459c257252c00ba453b75a89f1517ee868..de154556c4059b66f1f153f822d6a3f5c2207ffb 100644 (file)
--- a/drivers/gpu/drm/drm_sysfs.c
+++ b/drivers/gpu/drm/drm_sysfs.c
@@ -16,6 +16,7 @@
 #include <linux/kdev_t.h>
 #include <linux/err.h>
 
+#include "drm_sysfs.h"
 #include "drm_core.h"
 #include "drmP.h"
 
@@ -515,3 +516,27 @@ void drm_sysfs_device_remove(struct drm_minor *minor)
 {
        device_unregister(&minor->kdev);
 }
+
+
+/**
+ * drm_class_device_register - Register a struct device in the drm class.
+ *
+ * @dev: pointer to struct device to register.
+ *
+ * @dev should have all relevant members pre-filled with the exception
+ * of the class member. In particular, the device_type member must
+ * be set.
+ */
+
+int drm_class_device_register(struct device *dev)
+{
+       dev->class = drm_class;
+       return device_register(dev);
+}
+EXPORT_SYMBOL_GPL(drm_class_device_register);
+
+void drm_class_device_unregister(struct device *dev)
+{
+       return device_unregister(dev);
+}
+EXPORT_SYMBOL_GPL(drm_class_device_unregister);