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[mlx5-next,3/4] net/mlx5: Remove unused MLX5_*_DOORBELL_LOCK macros

Message ID 20190119003313.16711-4-saeedm@mellanox.com
State Awaiting Upstream
Delegated to: David Miller
Headers show
Series mlx5 next misc updates | expand

Commit Message

Saeed Mahameed Jan. 19, 2019, 12:33 a.m. UTC 
From: Maxim Mikityanskiy <maximmi@mellanox.com>

MLX5_*_DOORBELL_LOCK macros provided a way to avoid locking for
mlx5_write64 on 64-bit platforms where it's not necessary. Currently all
calls to mlx5_write64 don't use a spinlock, so the macros became unused.

Signed-off-by: Maxim Mikityanskiy <maximmi@mellanox.com>
Reviewed-by: Eran Ben Elisha <eranbe@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
---
 include/linux/mlx5/doorbell.h | 8 --------
 1 file changed, 8 deletions(-)
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Patch

diff --git a/include/linux/mlx5/doorbell.h b/include/linux/mlx5/doorbell.h
index 0787de28f2fc..9ef3f9d00154 100644
--- a/include/linux/mlx5/doorbell.h
+++ b/include/linux/mlx5/doorbell.h
@@ -42,10 +42,6 @@ 
  * PCI so we won't worry about it.
  */
 
-#define MLX5_DECLARE_DOORBELL_LOCK(name)
-#define MLX5_INIT_DOORBELL_LOCK(ptr)    do { } while (0)
-#define MLX5_GET_DOORBELL_LOCK(ptr)      (NULL)
-
 static inline void mlx5_write64(__be32 val[2], void __iomem *dest,
 				spinlock_t *doorbell_lock)
 {
@@ -59,10 +55,6 @@  static inline void mlx5_write64(__be32 val[2], void __iomem *dest,
  * MMIO writes.
  */
 
-#define MLX5_DECLARE_DOORBELL_LOCK(name) spinlock_t name;
-#define MLX5_INIT_DOORBELL_LOCK(ptr)     spin_lock_init(ptr)
-#define MLX5_GET_DOORBELL_LOCK(ptr)      (ptr)
-
 static inline void mlx5_write64(__be32 val[2], void __iomem *dest,
 				spinlock_t *doorbell_lock)
 {