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net/mlx5: Remove unused msix related exported APIs

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MSIX irq allocation and free APIs are no longer
in use. Hence, remove the dead code.

Signed-off-by: Parav Pandit <parav@nvidia.com>
Reviewed-by: Dragos Tatulea <dtatulea@nvidia.com>
Signed-off-by: Tariq Toukan <tariqt@nvidia.com>
Reviewed-by: Simon Horman <horms@kernel.org>
Reviewed-by: Kalesh AP <kalesh-anakkur.purayil@broadcom.com>
Link: https://lore.kernel.org/r/20240512124306.740898-4-tariqt@nvidia.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This commit is contained in:
Parav Pandit
2024-05-12 15:43:05 +03:00
committed by Jakub Kicinski
parent bcee093751
commit db5944e16c
2 changed files with 0 additions and 59 deletions
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52
drivers/net/ethernet/mellanox/mlx5/core/pci_irq.c
View File

@@ -507,58 +507,6 @@ struct mlx5_irq *mlx5_irq_request(struct mlx5_core_dev *dev, u16 vecidx,
return irq;
}
/**
* mlx5_msix_alloc - allocate msix interrupt
* @dev: mlx5 device from which to request
* @handler: interrupt handler
* @affdesc: affinity descriptor
* @name: interrupt name
*
* Returns: struct msi_map with result encoded.
* Note: the caller must make sure to release the irq by calling
* mlx5_msix_free() if shutdown was initiated.
*/
struct msi_map mlx5_msix_alloc(struct mlx5_core_dev *dev,
irqreturn_t (*handler)(int, void *),
const struct irq_affinity_desc *affdesc,
const char *name)
{
struct msi_map map;
int err;
if (!dev->pdev) {
map.virq = 0;
map.index = -EINVAL;
return map;
}
map = pci_msix_alloc_irq_at(dev->pdev, MSI_ANY_INDEX, affdesc);
if (!map.virq)
return map;
err = request_irq(map.virq, handler, 0, name, NULL);
if (err) {
mlx5_core_warn(dev, "err %d\n", err);
pci_msix_free_irq(dev->pdev, map);
map.virq = 0;
map.index = -ENOMEM;
}
return map;
}
EXPORT_SYMBOL(mlx5_msix_alloc);
/**
* mlx5_msix_free - free a previously allocated msix interrupt
* @dev: mlx5 device associated with interrupt
* @map: map previously returned by mlx5_msix_alloc()
*/
void mlx5_msix_free(struct mlx5_core_dev *dev, struct msi_map map)
{
free_irq(map.virq, NULL);
pci_msix_free_irq(dev->pdev, map);
}
EXPORT_SYMBOL(mlx5_msix_free);
/**
* mlx5_irq_release_vector - release one IRQ back to the system.
* @irq: the irq to release.

7
include/linux/mlx5/driver.h
View File

@@ -1374,11 +1374,4 @@ static inline bool mlx5_is_macsec_roce_supported(struct mlx5_core_dev *mdev)
enum {
MLX5_OCTWORD = 16,
};
struct msi_map mlx5_msix_alloc(struct mlx5_core_dev *dev,
irqreturn_t (*handler)(int, void *),
const struct irq_affinity_desc *affdesc,
const char *name);
void mlx5_msix_free(struct mlx5_core_dev *dev, struct msi_map map);
#endif /* MLX5_DRIVER_H */