[PATCH v12 6/8] mlx5: Replace PCI pool old API

From: Romain Perier
Date: Tue Aug 22 2017 - 07:47:42 EST


The PCI pool API is deprecated. This commit replaces the PCI pool old
API by the appropriate function with the DMA pool API.

Signed-off-by: Romain Perier <romain.perier@xxxxxxxxxxxxx>
Reviewed-by: Peter Senna Tschudin <peter.senna@xxxxxxxxxxxxx>
Acked-by: Doug Ledford <dledford@xxxxxxxxxx>
Tested-by: Doug Ledford <dledford@xxxxxxxxxx>
---
drivers/net/ethernet/mellanox/mlx5/core/cmd.c | 11 ++++++-----
include/linux/mlx5/driver.h | 2 +-
2 files changed, 7 insertions(+), 6 deletions(-)

diff --git a/drivers/net/ethernet/mellanox/mlx5/core/cmd.c b/drivers/net/ethernet/mellanox/mlx5/core/cmd.c
index 0ef68a7c051e..1fffdebbc9e8 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/cmd.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/cmd.c
@@ -1109,7 +1109,7 @@ static struct mlx5_cmd_mailbox *alloc_cmd_box(struct mlx5_core_dev *dev,
if (!mailbox)
return ERR_PTR(-ENOMEM);

- mailbox->buf = pci_pool_zalloc(dev->cmd.pool, flags,
+ mailbox->buf = dma_pool_zalloc(dev->cmd.pool, flags,
&mailbox->dma);
if (!mailbox->buf) {
mlx5_core_dbg(dev, "failed allocation\n");
@@ -1124,7 +1124,7 @@ static struct mlx5_cmd_mailbox *alloc_cmd_box(struct mlx5_core_dev *dev,
static void free_cmd_box(struct mlx5_core_dev *dev,
struct mlx5_cmd_mailbox *mailbox)
{
- pci_pool_free(dev->cmd.pool, mailbox->buf, mailbox->dma);
+ dma_pool_free(dev->cmd.pool, mailbox->buf, mailbox->dma);
kfree(mailbox);
}

@@ -1775,7 +1775,8 @@ int mlx5_cmd_init(struct mlx5_core_dev *dev)
return -EINVAL;
}

- cmd->pool = pci_pool_create("mlx5_cmd", dev->pdev, size, align, 0);
+ cmd->pool = dma_pool_create("mlx5_cmd", &dev->pdev->dev, size, align,
+ 0);
if (!cmd->pool)
return -ENOMEM;

@@ -1865,7 +1866,7 @@ int mlx5_cmd_init(struct mlx5_core_dev *dev)
free_cmd_page(dev, cmd);

err_free_pool:
- pci_pool_destroy(cmd->pool);
+ dma_pool_destroy(cmd->pool);

return err;
}
@@ -1879,6 +1880,6 @@ void mlx5_cmd_cleanup(struct mlx5_core_dev *dev)
destroy_workqueue(cmd->wq);
destroy_msg_cache(dev);
free_cmd_page(dev, cmd);
- pci_pool_destroy(cmd->pool);
+ dma_pool_destroy(cmd->pool);
}
EXPORT_SYMBOL(mlx5_cmd_cleanup);
diff --git a/include/linux/mlx5/driver.h b/include/linux/mlx5/driver.h
index ea89e32a0d5f..aa87f26f4d97 100644
--- a/include/linux/mlx5/driver.h
+++ b/include/linux/mlx5/driver.h
@@ -299,7 +299,7 @@ struct mlx5_cmd {
struct semaphore pages_sem;
int mode;
struct mlx5_cmd_work_ent *ent_arr[MLX5_MAX_COMMANDS];
- struct pci_pool *pool;
+ struct dma_pool *pool;
struct mlx5_cmd_debug dbg;
struct cmd_msg_cache cache[MLX5_NUM_COMMAND_CACHES];
int checksum_disabled;
--
2.11.0