[PATCH 03/11] staging/android: remove not used sync_timeline ops

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From: Gustavo Padovan <gustavo.padovan@xxxxxxxxxxxxxxx>

.dup and .compare are not used by the sync framework, so remove them
from sw_sync.

Signed-off-by: Gustavo Padovan <gustavo.padovan@xxxxxxxxxxxxxxx>
---
 drivers/staging/android/sw_sync.c | 29 +----------------------------
 drivers/staging/android/sync.c    |  6 ------
 drivers/staging/android/sync.h    | 19 -------------------
 3 files changed, 1 insertion(+), 53 deletions(-)

diff --git a/drivers/staging/android/sw_sync.c b/drivers/staging/android/sw_sync.c
index c4ff167..566dcdc 100644
--- a/drivers/staging/android/sw_sync.c
+++ b/drivers/staging/android/sw_sync.c
@@ -25,14 +25,6 @@
 
 #include "sw_sync.h"
 
-static int sw_sync_cmp(u32 a, u32 b)
-{
-	if (a == b)
-		return 0;
-
-	return ((s32)a - (s32)b) < 0 ? -1 : 1;
-}
-
 struct sync_pt *sw_sync_pt_create(struct sw_sync_timeline *obj, u32 value)
 {
 	struct sw_sync_pt *pt;
@@ -46,30 +38,13 @@ struct sync_pt *sw_sync_pt_create(struct sw_sync_timeline *obj, u32 value)
 }
 EXPORT_SYMBOL(sw_sync_pt_create);
 
-static struct sync_pt *sw_sync_pt_dup(struct sync_pt *sync_pt)
-{
-	struct sw_sync_pt *pt = (struct sw_sync_pt *)sync_pt;
-	struct sw_sync_timeline *obj =
-		(struct sw_sync_timeline *)sync_pt_parent(sync_pt);
-
-	return (struct sync_pt *)sw_sync_pt_create(obj, pt->value);
-}
-
 static int sw_sync_pt_has_signaled(struct sync_pt *sync_pt)
 {
 	struct sw_sync_pt *pt = (struct sw_sync_pt *)sync_pt;
 	struct sw_sync_timeline *obj =
 		(struct sw_sync_timeline *)sync_pt_parent(sync_pt);
 
-	return sw_sync_cmp(obj->value, pt->value) >= 0;
-}
-
-static int sw_sync_pt_compare(struct sync_pt *a, struct sync_pt *b)
-{
-	struct sw_sync_pt *pt_a = (struct sw_sync_pt *)a;
-	struct sw_sync_pt *pt_b = (struct sw_sync_pt *)b;
-
-	return sw_sync_cmp(pt_a->value, pt_b->value);
+	return (pt->value > obj->value) ? 0 : 1;
 }
 
 static int sw_sync_fill_driver_data(struct sync_pt *sync_pt,
@@ -103,9 +78,7 @@ static void sw_sync_pt_value_str(struct sync_pt *sync_pt,
 
 static struct sync_timeline_ops sw_sync_timeline_ops = {
 	.driver_name = "sw_sync",
-	.dup = sw_sync_pt_dup,
 	.has_signaled = sw_sync_pt_has_signaled,
-	.compare = sw_sync_pt_compare,
 	.fill_driver_data = sw_sync_fill_driver_data,
 	.timeline_value_str = sw_sync_timeline_value_str,
 	.pt_value_str = sw_sync_pt_value_str,
diff --git a/drivers/staging/android/sync.c b/drivers/staging/android/sync.c
index 7a84f88..f4d9bcd 100644
--- a/drivers/staging/android/sync.c
+++ b/drivers/staging/android/sync.c
@@ -68,9 +68,6 @@ static void sync_timeline_free(struct kref *kref)
 
 	sync_timeline_debug_remove(obj);
 
-	if (obj->ops->release_obj)
-		obj->ops->release_obj(obj);
-
 	kfree(obj);
 }
 
@@ -383,9 +380,6 @@ static void android_fence_release(struct fence *fence)
 		list_del(&pt->active_list);
 	spin_unlock_irqrestore(fence->lock, flags);
 
-	if (parent->ops->free_pt)
-		parent->ops->free_pt(pt);
-
 	sync_timeline_put(parent);
 	fence_free(&pt->base);
 }
diff --git a/drivers/staging/android/sync.h b/drivers/staging/android/sync.h
index e0865b9..b47058f 100644
--- a/drivers/staging/android/sync.h
+++ b/drivers/staging/android/sync.h
@@ -30,17 +30,10 @@ struct sync_fence;
 /**
  * struct sync_timeline_ops - sync object implementation ops
  * @driver_name:	name of the implementation
- * @dup:		duplicate a sync_pt
  * @has_signaled:	returns:
  *			  1 if pt has signaled
  *			  0 if pt has not signaled
  *			 <0 on error
- * @compare:		returns:
- *			  1 if b will signal before a
- *			  0 if a and b will signal at the same time
- *			 -1 if a will signal before b
- * @free_pt:		called before sync_pt is freed
- * @release_obj:	called before sync_timeline is freed
  * @fill_driver_data:	write implementation specific driver data to data.
  *			  should return an error if there is not enough room
  *			  as specified by size.  This information is returned
@@ -52,20 +45,8 @@ struct sync_timeline_ops {
 	const char *driver_name;
 
 	/* required */
-	struct sync_pt * (*dup)(struct sync_pt *pt);
-
-	/* required */
 	int (*has_signaled)(struct sync_pt *pt);
 
-	/* required */
-	int (*compare)(struct sync_pt *a, struct sync_pt *b);
-
-	/* optional */
-	void (*free_pt)(struct sync_pt *sync_pt);
-
-	/* optional */
-	void (*release_obj)(struct sync_timeline *sync_timeline);
-
 	/* optional */
 	int (*fill_driver_data)(struct sync_pt *syncpt, void *data, int size);
 
-- 
2.5.0

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