[PATCH 34/64] Driver Core: drm: add nodename for drm devices
From: Greg Kroah-Hartman
Date: Tue Jun 16 2009 - 01:59:01 EST
From: Kay Sievers <kay.sievers@xxxxxxxx>
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@xxxxxxxx>
Signed-off-by: Jan Blunck <jblunck@xxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxx>
---
drivers/gpu/drm/drm_sysfs.c | 7 +++++++
1 files changed, 7 insertions(+), 0 deletions(-)
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 @@ 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:
--
1.6.3.2
--
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