[RFC 06/12] dma-fence: Export __dma_fence_add_callback

[Tvrtko Ursulin]

From: Tvrtko Ursulin <tvrtko.ursulin at intel.com>

...

Signed-off-by: Tvrtko Ursulin <tvrtko.ursulin at intel.com>
---
 drivers/dma-buf/dma-fence.c | 9 +++++----
 include/linux/dma-fence.h   | 3 +++
 2 files changed, 8 insertions(+), 4 deletions(-)

diff --git a/drivers/dma-buf/dma-fence.c b/drivers/dma-buf/dma-fence.c
index bdba5a8e21b1..5607acdb6ccf 100644
--- a/drivers/dma-buf/dma-fence.c
+++ b/drivers/dma-buf/dma-fence.c
@@ -656,8 +656,8 @@ void dma_fence_enable_sw_signaling(struct dma_fence *fence)
 }
 EXPORT_SYMBOL(dma_fence_enable_sw_signaling);
 
-static int add_callback(struct dma_fence *fence, struct dma_fence_cb *cb,
-			dma_fence_func_t func, bool wait)
+int __dma_fence_add_callback(struct dma_fence *fence, struct dma_fence_cb *cb,
+			     dma_fence_func_t func, bool wait)
 {
 	unsigned long flags;
 	int ret = 0;
@@ -686,6 +686,7 @@ static int add_callback(struct dma_fence *fence, struct dma_fence_cb *cb,
 
 	return ret;
 }
+EXPORT_SYMBOL(__dma_fence_add_callback);
 
 /**
  * dma_fence_add_callback - add a callback to be called when the fence
@@ -712,7 +713,7 @@ static int add_callback(struct dma_fence *fence, struct dma_fence_cb *cb,
 int dma_fence_add_callback(struct dma_fence *fence, struct dma_fence_cb *cb,
 			   dma_fence_func_t func)
 {
-	return add_callback(fence, cb, func, false);
+	return __dma_fence_add_callback(fence, cb, func, false);
 }
 EXPORT_SYMBOL(dma_fence_add_callback);
 
@@ -720,7 +721,7 @@ int dma_fence_add_wait_callback(struct dma_fence *fence,
 				struct dma_fence_cb *cb,
 				dma_fence_func_t func)
 {
-	return add_callback(fence, cb, func, true);
+	return __dma_fence_add_callback(fence, cb, func, true);
 }
 EXPORT_SYMBOL(dma_fence_add_wait_callback);
 
diff --git a/include/linux/dma-fence.h b/include/linux/dma-fence.h
index 2b696f9de276..1f41d60ce6f7 100644
--- a/include/linux/dma-fence.h
+++ b/include/linux/dma-fence.h
@@ -384,6 +384,9 @@ int dma_fence_signal_timestamp_locked(struct dma_fence *fence,
 				      ktime_t timestamp);
 signed long dma_fence_default_wait(struct dma_fence *fence,
 				   bool intr, signed long timeout);
+int __dma_fence_add_callback(struct dma_fence *fence,
+			     struct dma_fence_cb *cb,
+			     dma_fence_func_t func, bool wait);
 int dma_fence_add_callback(struct dma_fence *fence,
 			   struct dma_fence_cb *cb,
 			   dma_fence_func_t func);
-- 
2.37.2