Revert "drm: add new drm_wait_on function to replace macro"

This reverts commit 6e860d08d0f5b1e9a2d711aaf9fd6b982aa8039e.

As I said not a good plan - this macro will have to stay for now,
trying to do the vbl code with the inline was a bit messy - may need specialised
drm wait on functions

2 files changed, 1 insertions, 31 deletions

diff --git a/linux-core/drmP.h b/linux-core/drmP.h
index f988db35..94cb4eee 100644
--- a/linux-core/drmP.h
+++ b/linux-core/drmP.h
@@ -1130,9 +1130,7 @@ extern struct drm_sysfs_class *drm_class;
 extern struct proc_dir_entry *drm_proc_root;
 
 extern drm_local_map_t *drm_getsarea(struct drm_device *dev);
-extern int drm_wait_on(drm_device_t *dev, wait_queue_head_t *queue,
-		       int timeout, int (*fn)(drm_device_t *dev, void *priv),
-		       void *priv);
+
 				/* Proc support (drm_proc.h) */
 extern int drm_proc_init(drm_device_t * dev,
 			 int minor,
diff --git a/linux-core/drm_drv.c b/linux-core/drm_drv.c
index f64959fb..1695a792 100644
--- a/linux-core/drm_drv.c
+++ b/linux-core/drm_drv.c
@@ -610,34 +610,6 @@ err_i1:
 }
 EXPORT_SYMBOL(drm_ioctl);
 
-int drm_wait_on(drm_device_t *dev, wait_queue_head_t *queue, int timeout,
-		int (*fn)(drm_device_t *dev, void *priv), void *priv)
-{
-	DECLARE_WAITQUEUE(entry, current);
-	unsigned long end = jiffies + (timeout);
-	int ret = 0;
-	add_wait_queue(queue, &entry);
-
-	for (;;) {
-		__set_current_state(TASK_INTERRUPTIBLE);
-		if ((*fn)(dev, priv))
-			break;
-		if (time_after_eq(jiffies, end)) {
-			ret = -EBUSY;
-			break;
-		}
-		schedule_timeout((HZ/100 > 1) ? HZ/100 : 1);
-		if (signal_pending(current)) {
-			ret = -EINTR;
-			break;
-		}
-	}
-	__set_current_state(TASK_RUNNING);
-	remove_wait_queue(queue, &entry);
-	return ret;
-}
-EXPORT_SYMBOL(drm_wait_on);
-
 drm_local_map_t *drm_getsarea(struct drm_device *dev)
 {
 	drm_map_list_t *entry;