crypto: cavium - Use dma_set_mask_and_coherent to simplify code

'pci_set_dma_mask()' + 'pci_set_consistent_dma_mask()' can be replaced by
an equivalent 'dma_set_mask_and_coherent()' which is much less verbose.
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>

drivers/crypto/cavium/cpt/cptpf_main.c

@@ -569,15 +569,9 @@ static int cpt_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
 		goto cpt_err_disable_device;
 	}
 
-	err = pci_set_dma_mask(pdev, DMA_BIT_MASK(48));
+	err = dma_set_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(48));
 	if (err) {
-		dev_err(dev, "Unable to get usable DMA configuration\n");
-		goto cpt_err_release_regions;
-	}
-
-	err = pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(48));
-	if (err) {
-		dev_err(dev, "Unable to get 48-bit DMA for consistent allocations\n");
+		dev_err(dev, "Unable to get usable 48-bit DMA configuration\n");
 		goto cpt_err_release_regions;
 	}
 

drivers/crypto/cavium/cpt/cptvf_main.c

@@ -687,15 +687,9 @@ static int cptvf_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
 	}
 	/* Mark as VF driver */
 	cptvf->flags |= CPT_FLAG_VF_DRIVER;
-	err = pci_set_dma_mask(pdev, DMA_BIT_MASK(48));
+	err = dma_set_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(48));
 	if (err) {
-		dev_err(dev, "Unable to get usable DMA configuration\n");
-		goto cptvf_err_release_regions;
-	}
-
-	err = pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(48));
-	if (err) {
-		dev_err(dev, "Unable to get 48-bit DMA for consistent allocations\n");
+		dev_err(dev, "Unable to get usable 48-bit DMA configuration\n");
 		goto cptvf_err_release_regions;
 	}