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path: root/drivers/gpu/drm/ttm/ttm_module.c
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Diffstat (limited to 'drivers/gpu/drm/ttm/ttm_module.c')
-rw-r--r--drivers/gpu/drm/ttm/ttm_module.c54
1 files changed, 4 insertions, 50 deletions
diff --git a/drivers/gpu/drm/ttm/ttm_module.c b/drivers/gpu/drm/ttm/ttm_module.c
index c0906437cb1c..56b0efdba1a9 100644
--- a/drivers/gpu/drm/ttm/ttm_module.c
+++ b/drivers/gpu/drm/ttm/ttm_module.c
@@ -32,68 +32,22 @@
#include <linux/module.h>
#include <linux/device.h>
#include <linux/sched.h>
+#include <linux/debugfs.h>
#include <drm/drm_sysfs.h>
#include "ttm_module.h"
-static DECLARE_WAIT_QUEUE_HEAD(exit_q);
-static atomic_t device_released;
-
-static struct device_type ttm_drm_class_type = {
- .name = "ttm",
- /**
- * Add pm ops here.
- */
-};
-
-static void ttm_drm_class_device_release(struct device *dev)
-{
- atomic_set(&device_released, 1);
- wake_up_all(&exit_q);
-}
-
-static struct device ttm_drm_class_device = {
- .type = &ttm_drm_class_type,
- .release = &ttm_drm_class_device_release
-};
-
-struct kobject *ttm_get_kobj(void)
-{
- struct kobject *kobj = &ttm_drm_class_device.kobj;
- BUG_ON(kobj == NULL);
- return kobj;
-}
+struct dentry *ttm_debugfs_root;
static int __init ttm_init(void)
{
- int ret;
-
- ret = dev_set_name(&ttm_drm_class_device, "ttm");
- if (unlikely(ret != 0))
- return ret;
-
- atomic_set(&device_released, 0);
- ret = drm_class_device_register(&ttm_drm_class_device);
- if (unlikely(ret != 0))
- goto out_no_dev_reg;
-
+ ttm_debugfs_root = debugfs_create_dir("ttm", NULL);
return 0;
-out_no_dev_reg:
- atomic_set(&device_released, 1);
- wake_up_all(&exit_q);
- return ret;
}
static void __exit ttm_exit(void)
{
- drm_class_device_unregister(&ttm_drm_class_device);
-
- /**
- * Refuse to unload until the TTM device is released.
- * Not sure this is 100% needed.
- */
-
- wait_event(exit_q, atomic_read(&device_released) == 1);
+ debugfs_remove(ttm_debugfs_root);
}
module_init(ttm_init);