Commit ed89fff9 authored by Christian König's avatar Christian König
Browse files

drm/ttm: drop sysfs directory 



Not used any more.

Signed-off-by: default avatarChristian König <christian.koenig@amd.com>
Reviewed-by: default avatarDaniel Vetter <daniel.vetter@ffwll.ch>
Link: https://patchwork.freedesktop.org/patch/msgid/20210208133226.36955-3-christian.koenig@amd.com
parent f07069da

drivers/gpu/drm/ttm/ttm_module.c

+0 −50
Original line number Diff line number Diff line
@@ -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);

}

drivers/gpu/drm/ttm/ttm_module.h

+0 −2
Original line number Diff line number Diff line
@@ -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_ */