Driver Core: drm: add nodename for drm devices
This adds support to the drm core to report the proper device name to
userspace for the drm devices.
Signed-off-by: Kay Sievers <kay.sievers@vrfy.org>
Signed-off-by: Jan Blunck <jblunck@suse.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
diff --git a/drivers/gpu/drm/drm_sysfs.c b/drivers/gpu/drm/drm_sysfs.c
index 9987ab8..85ec31b 100644
--- a/drivers/gpu/drm/drm_sysfs.c
+++ b/drivers/gpu/drm/drm_sysfs.c
@@ -70,6 +70,11 @@
CORE_MINOR, CORE_PATCHLEVEL, CORE_DATE);
}
+static char *drm_nodename(struct device *dev)
+{
+ return kasprintf(GFP_KERNEL, "dri/%s", dev_name(dev));
+}
+
static CLASS_ATTR(version, S_IRUGO, version_show, NULL);
/**
@@ -101,6 +106,8 @@
if (err)
goto err_out_class;
+ class->nodename = drm_nodename;
+
return class;
err_out_class: