drm/ttm: drop sysfs directory

Not used any more.

Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: https://patchwork.freedesktop.org/patch/msgid/20210208133226.36955-3-christian.koenig@amd.com

diff --git a/drivers/gpu/drm/ttm/ttm_module.c b/drivers/gpu/drm/ttm/ttm_module.c
index f656660..56b0efd 100644 (file)
--- a/drivers/gpu/drm/ttm/ttm_module.c
+++ b/drivers/gpu/drm/ttm/ttm_module.c
@@ -37,66 +37,16 @@
 
 #include "ttm_module.h"
 
-static DECLARE_WAIT_QUEUE_HEAD(exit_q);
-static atomic_t device_released;
 struct dentry *ttm_debugfs_root;
 
-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;
-}
-
 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);
 }
 

diff --git a/drivers/gpu/drm/ttm/ttm_module.h b/drivers/gpu/drm/ttm/ttm_module.h
index 2f03c2f..d7cac5d 100644 (file)
--- a/drivers/gpu/drm/ttm/ttm_module.h
+++ b/drivers/gpu/drm/ttm/ttm_module.h
@@ -33,10 +33,8 @@
 
 #define TTM_PFX "[TTM] "
 
-struct kobject;
 struct dentry;
 
-extern struct kobject *ttm_get_kobj(void);
 extern struct dentry *ttm_debugfs_root;
 
 #endif /* _TTM_MODULE_H_ */