hinic: Replace PCI pool old API

The PCI pool API is deprecated.  Replace the PCI pool old API by the
appropriate function with the DMA pool API.
Signed-off-by: Romain Perier <romain.perier@collabora.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Acked-by: David S. Miller <davem@davemloft.net>

drivers/net/ethernet/huawei/hinic/hinic_hw_cmdq.c

@@ -143,7 +143,7 @@ int hinic_alloc_cmdq_buf(struct hinic_cmdqs *cmdqs,
 	struct hinic_hwif *hwif = cmdqs->hwif;
 	struct pci_dev *pdev = hwif->pdev;
 
-	cmdq_buf->buf = pci_pool_alloc(cmdqs->cmdq_buf_pool, GFP_KERNEL,
+	cmdq_buf->buf = dma_pool_alloc(cmdqs->cmdq_buf_pool, GFP_KERNEL,
 				       &cmdq_buf->dma_addr);
 	if (!cmdq_buf->buf) {
 		dev_err(&pdev->dev, "Failed to allocate cmd from the pool\n");
@@ -161,7 +161,7 @@ int hinic_alloc_cmdq_buf(struct hinic_cmdqs *cmdqs,
 void hinic_free_cmdq_buf(struct hinic_cmdqs *cmdqs,
 			 struct hinic_cmdq_buf *cmdq_buf)
 {
-	pci_pool_free(cmdqs->cmdq_buf_pool, cmdq_buf->buf, cmdq_buf->dma_addr);
+	dma_pool_free(cmdqs->cmdq_buf_pool, cmdq_buf->buf, cmdq_buf->dma_addr);
 }
 
 static unsigned int cmdq_wqe_size_from_bdlen(enum bufdesc_len len)
@@ -875,7 +875,7 @@ int hinic_init_cmdqs(struct hinic_cmdqs *cmdqs, struct hinic_hwif *hwif,
 	int err;
 
 	cmdqs->hwif = hwif;
-	cmdqs->cmdq_buf_pool = pci_pool_create("hinic_cmdq", pdev,
+	cmdqs->cmdq_buf_pool = dma_pool_create("hinic_cmdq", &pdev->dev,
 					       HINIC_CMDQ_BUF_SIZE,
 					       HINIC_CMDQ_BUF_SIZE, 0);
 	if (!cmdqs->cmdq_buf_pool)
@@ -916,7 +916,7 @@ int hinic_init_cmdqs(struct hinic_cmdqs *cmdqs, struct hinic_hwif *hwif,
 	devm_kfree(&pdev->dev, cmdqs->saved_wqs);
 
 err_saved_wqs:
-	pci_pool_destroy(cmdqs->cmdq_buf_pool);
+	dma_pool_destroy(cmdqs->cmdq_buf_pool);
 	return err;
 }
 
@@ -942,5 +942,5 @@ void hinic_free_cmdqs(struct hinic_cmdqs *cmdqs)
 
 	devm_kfree(&pdev->dev, cmdqs->saved_wqs);
 
-	pci_pool_destroy(cmdqs->cmdq_buf_pool);
+	dma_pool_destroy(cmdqs->cmdq_buf_pool);
 }

drivers/net/ethernet/huawei/hinic/hinic_hw_cmdq.h

@@ -157,7 +157,7 @@ struct hinic_cmdq {
 struct hinic_cmdqs {
 	struct hinic_hwif       *hwif;
 
-	struct pci_pool         *cmdq_buf_pool;
+	struct dma_pool         *cmdq_buf_pool;
 
 	struct hinic_wq         *saved_wqs;