scsi: qedi: fully convert to the generic DMA API

The driver is currently using an odd mix of legacy PCI DMA API and
generic DMA API calls, switch it over to the generic API entirely.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Johannes Thumshirn <jthumshirn@suse.de>
Acked-by: Manish Rangankar <Manish.Rangankar@cavium.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>

drivers/scsi/qedi/qedi_main.c

@@ -806,11 +806,11 @@ static int qedi_set_iscsi_pf_param(struct qedi_ctx *qedi)
 	memset(&qedi->pf_params.iscsi_pf_params, 0,
 	       sizeof(qedi->pf_params.iscsi_pf_params));
 
-	qedi->p_cpuq = pci_alloc_consistent(qedi->pdev,
+	qedi->p_cpuq = dma_alloc_coherent(&qedi->pdev->dev,
 			qedi->num_queues * sizeof(struct qedi_glbl_q_params),
-			&qedi->hw_p_cpuq);
+			&qedi->hw_p_cpuq, GFP_KERNEL);
 	if (!qedi->p_cpuq) {
-		QEDI_ERR(&qedi->dbg_ctx, "pci_alloc_consistent fail\n");
+		QEDI_ERR(&qedi->dbg_ctx, "dma_alloc_coherent fail\n");
 		rval = -1;
 		goto err_alloc_mem;
 	}
@@ -871,7 +871,7 @@ static void qedi_free_iscsi_pf_param(struct qedi_ctx *qedi)
 
 	if (qedi->p_cpuq) {
 		size = qedi->num_queues * sizeof(struct qedi_glbl_q_params);
-		pci_free_consistent(qedi->pdev, size, qedi->p_cpuq,
+		dma_free_coherent(&qedi->pdev->dev, size, qedi->p_cpuq,
 				    qedi->hw_p_cpuq);
 	}