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net/mlx5: Remove unused MLX5_*_DOORBELL_LOCK macros

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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>
This commit is contained in:
Maxim Mikityanskiy 2019-03-29 15:37:51 -07:00 committed by Saeed Mahameed
parent 37b6bb77c6
commit 38702cce54
1 changed files with 0 additions and 8 deletions
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8
include/linux/mlx5/doorbell.h
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@ -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)
{