[PATCH 08/15] dma-buf: use inline lock for the dma-fence-chain

[Christian König]

Just as proof of concept and minor cleanup.

Signed-off-by: Christian König <christian.koe...@amd.com>
---
 drivers/dma-buf/dma-fence-chain.c | 3 +--
 include/linux/dma-fence-chain.h   | 1 -
 2 files changed, 1 insertion(+), 3 deletions(-)

diff --git a/drivers/dma-buf/dma-fence-chain.c 
b/drivers/dma-buf/dma-fence-chain.c
index a8a90acf4f34..a707792b6025 100644
--- a/drivers/dma-buf/dma-fence-chain.c
+++ b/drivers/dma-buf/dma-fence-chain.c
@@ -245,7 +245,6 @@ void dma_fence_chain_init(struct dma_fence_chain *chain,
        struct dma_fence_chain *prev_chain = to_dma_fence_chain(prev);
        uint64_t context;
 
-       spin_lock_init(&chain->lock);
        rcu_assign_pointer(chain->prev, prev);
        chain->fence = fence;
        chain->prev_seqno = 0;
@@ -261,7 +260,7 @@ void dma_fence_chain_init(struct dma_fence_chain *chain,
                        seqno = max(prev->seqno, seqno);
        }
 
-       dma_fence_init64(&chain->base, &dma_fence_chain_ops, &chain->lock,
+       dma_fence_init64(&chain->base, &dma_fence_chain_ops, NULL,
                         context, seqno);
 
        /*
diff --git a/include/linux/dma-fence-chain.h b/include/linux/dma-fence-chain.h
index 68c3c1e41014..d39ce7a2e599 100644
--- a/include/linux/dma-fence-chain.h
+++ b/include/linux/dma-fence-chain.h
@@ -46,7 +46,6 @@ struct dma_fence_chain {
                 */
                struct irq_work work;
        };
-       spinlock_t lock;
 };
 
 
-- 
2.43.0