[PATCH v11 6/8] mlx5: Replace PCI pool old API

[Romain Perier]

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.per...@collabora.com>
Reviewed-by: Peter Senna Tschudin <peter.se...@collabora.com>
Acked-by: Doug Ledford <dledf...@redhat.com>
Tested-by: Doug Ledford <dledf...@redhat.com>
---
 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 31cbe5e86a01..1acbb721f38d 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/cmd.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/cmd.c
@@ -1110,7 +1110,7 @@ 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");
@@ -1125,7 +1125,7 @@ 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);
 }
 
@@ -1776,7 +1776,8 @@ 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;
 
@@ -1866,7 +1867,7 @@ 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;
 }
@@ -1880,6 +1881,6 @@ 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 1c25858665a6..92698753689e 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