From 02200d0664bc630b3525989cb8f49880bf8bda84 Mon Sep 17 00:00:00 2001
From: Kay Sievers <kay.sievers@vrfy.org>
Date: Thu, 30 Apr 2009 15:23:42 +0200
Subject: [PATCH] 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>
---
drivers/gpu/drm/drm_sysfs.c | 7 +++++++
1 file changed, 7 insertions(+)
diff --git a/drivers/gpu/drm/drm_sysfs.c b/drivers/gpu/drm/drm_sysfs.c
index 9987ab880835..85ec31b3ff00 100644
--- a/drivers/gpu/drm/drm_sysfs.c
+++ b/drivers/gpu/drm/drm_sysfs.c
@@ -70,6 +70,11 @@ static ssize_t version_show(struct class *dev, char *buf)
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 @@ struct class *drm_sysfs_create(struct module *owner, char *name)
if (err)
goto err_out_class;
+ class->nodename = drm_nodename;
+
return class;
err_out_class:
--
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