scsi: qedf: 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>
Acked-by: Chad Dupuis <chad.dupuis@cavium.com>
Reviewed-by: Johannes Thumshirn <jthumshirn@suse.de>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>

drivers/scsi/qedf/qedf_main.c

@@ -2855,12 +2855,12 @@ static int qedf_set_fcoe_pf_param(struct qedf_ctx *qedf)
 	QEDF_INFO(&(qedf->dbg_ctx), QEDF_LOG_DISC, "Number of CQs is %d.\n",
 		   qedf->num_queues);
 
-	qedf->p_cpuq = pci_alloc_consistent(qedf->pdev,
+	qedf->p_cpuq = dma_alloc_coherent(&qedf->pdev->dev,
 	    qedf->num_queues * sizeof(struct qedf_glbl_q_params),
-	    &qedf->hw_p_cpuq);
+	    &qedf->hw_p_cpuq, GFP_KERNEL);
 
 	if (!qedf->p_cpuq) {
-		QEDF_ERR(&(qedf->dbg_ctx), "pci_alloc_consistent failed.\n");
+		QEDF_ERR(&(qedf->dbg_ctx), "dma_alloc_coherent failed.\n");
 		return 1;
 	}
 
@@ -2929,7 +2929,7 @@ static void qedf_free_fcoe_pf_param(struct qedf_ctx *qedf)
 
 	if (qedf->p_cpuq) {
 		size = qedf->num_queues * sizeof(struct qedf_glbl_q_params);
-		pci_free_consistent(qedf->pdev, size, qedf->p_cpuq,
+		dma_free_coherent(&qedf->pdev->dev, size, qedf->p_cpuq,
 		    qedf->hw_p_cpuq);
 	}