[PATCH 06/20] dma-buf: use inline lock for the stub fence

[Christian König]

Just as proof of concept and minor cleanup.

Signed-off-by: Christian König <christian.koe...@amd.com>
---
 drivers/dma-buf/dma-fence.c | 20 ++++----------------
 1 file changed, 4 insertions(+), 16 deletions(-)

diff --git a/drivers/dma-buf/dma-fence.c b/drivers/dma-buf/dma-fence.c
index f9d7439275d1..0dbd2f641f37 100644
--- a/drivers/dma-buf/dma-fence.c
+++ b/drivers/dma-buf/dma-fence.c
@@ -24,7 +24,6 @@ EXPORT_TRACEPOINT_SYMBOL(dma_fence_emit);
 EXPORT_TRACEPOINT_SYMBOL(dma_fence_enable_signal);
 EXPORT_TRACEPOINT_SYMBOL(dma_fence_signaled);
 
-static DEFINE_SPINLOCK(dma_fence_stub_lock);
 static struct dma_fence dma_fence_stub;
 
 /*
@@ -123,12 +122,8 @@ static const struct dma_fence_ops dma_fence_stub_ops = {
 
 static int __init dma_fence_init_stub(void)
 {
-       dma_fence_init(&dma_fence_stub, &dma_fence_stub_ops,
-                      &dma_fence_stub_lock, 0, 0);
-
-       set_bit(DMA_FENCE_FLAG_ENABLE_SIGNAL_BIT,
-               &dma_fence_stub.flags);
-
+       dma_fence_init(&dma_fence_stub, &dma_fence_stub_ops, NULL, 0, 0);
+       set_bit(DMA_FENCE_FLAG_ENABLE_SIGNAL_BIT, &dma_fence_stub.flags);
        dma_fence_signal(&dma_fence_stub);
        return 0;
 }
@@ -160,16 +155,9 @@ struct dma_fence *dma_fence_allocate_private_stub(ktime_t 
timestamp)
        if (fence == NULL)
                return NULL;
 
-       dma_fence_init(fence,
-                      &dma_fence_stub_ops,
-                      &dma_fence_stub_lock,
-                      0, 0);
-
-       set_bit(DMA_FENCE_FLAG_ENABLE_SIGNAL_BIT,
-               &fence->flags);
-
+       dma_fence_init(fence, &dma_fence_stub_ops, NULL, 0, 0);
+       set_bit(DMA_FENCE_FLAG_ENABLE_SIGNAL_BIT, &fence->flags);
        dma_fence_signal_timestamp(fence, timestamp);
-
        return fence;
 }
 EXPORT_SYMBOL(dma_fence_allocate_private_stub);
-- 
2.43.0