From: Maxim Mikityanskiy <maximmi@xxxxxxxxxxxx>
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@xxxxxxxxxxxx>
Reviewed-by: Eran Ben Elisha <eranbe@xxxxxxxxxxxx>
Signed-off-by: Saeed Mahameed <saeedm@xxxxxxxxxxxx>
---
include/linux/mlx5/doorbell.h | 8 --------
1 file changed, 8 deletions(-)
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)
{
--
2.20.1
