+static int mlxsw_pci_mbox_alloc(struct mlxsw_pci *mlxsw_pci,
+ struct mlxsw_pci_mem_item *mbox)
+{
+ struct pci_dev *pdev = mlxsw_pci->pdev;
+ int err = 0;
+
+ mbox->size = MLXSW_CMD_MBOX_SIZE;
+ mbox->buf = pci_alloc_consistent(pdev, MLXSW_CMD_MBOX_SIZE,
+ &mbox->mapaddr);
+ if (!mbox->buf) {
+ dev_err(&pdev->dev, "Failed allocating memory for mailbox\n");
+ err = -ENOMEM;
+ }
+
+ return err;
+}
+
+static void mlxsw_pci_mbox_free(struct mlxsw_pci *mlxsw_pci,
+ struct mlxsw_pci_mem_item *mbox)
+{
+ struct pci_dev *pdev = mlxsw_pci->pdev;
+
+ pci_free_consistent(pdev, MLXSW_CMD_MBOX_SIZE, mbox->buf,
+ mbox->mapaddr);
+}
+