scsi: mesh: switch to generic DMA API

Christoph Hellwig · martinkpetersen · commit 6c714d442594 · 2018-10-17T21:58:53.000-04:00
Switch from the legacy PCI DMA API to the generic DMA API.

Signed-off-by: Christoph Hellwig &lt;hch@lst.de&gt;
Reviewed-by: Johannes Thumshirn &lt;jthumshirn@suse.de&gt;
Signed-off-by: Martin K. Petersen &lt;martin.petersen@oracle.com&gt;
diff --git a/drivers/scsi/mesh.c b/drivers/scsi/mesh.c
@@ -1915,8 +1915,8 @@ static int mesh_probe(struct macio_dev *mdev, const struct of_device_id *match)
 	/* We use the PCI APIs for now until the generic one gets fixed
 	 * enough or until we get some macio-specific versions
 	 */
-	dma_cmd_space = pci_zalloc_consistent(macio_get_pci_dev(mdev),
-					      ms->dma_cmd_size, &dma_cmd_bus);
+	dma_cmd_space = dma_zalloc_coherent(&macio_get_pci_dev(mdev)->dev,
+			ms->dma_cmd_size, &dma_cmd_bus, GFP_KERNEL);
 	if (dma_cmd_space == NULL) {
 		printk(KERN_ERR "mesh: can't allocate DMA table\n");
 		goto out_unmap;
@@ -1974,7 +1974,7 @@ static int mesh_probe(struct macio_dev *mdev, const struct of_device_id *match)
 	 */
 	mesh_shutdown(mdev);
 	set_mesh_power(ms, 0);
-	pci_free_consistent(macio_get_pci_dev(mdev), ms->dma_cmd_size,
+	dma_free_coherent(&macio_get_pci_dev(mdev)->dev, ms->dma_cmd_size,
 			    ms->dma_cmd_space, ms->dma_cmd_bus);
  out_unmap:
 	iounmap(ms->dma);
@@ -2007,7 +2007,7 @@ static int mesh_remove(struct macio_dev *mdev)
        	iounmap(ms->dma);
 
 	/* Free DMA commands memory */
-	pci_free_consistent(macio_get_pci_dev(mdev), ms->dma_cmd_size,
+	dma_free_coherent(&macio_get_pci_dev(mdev)->dev, ms->dma_cmd_size,
 			    ms->dma_cmd_space, ms->dma_cmd_bus);
 
 	/* Release memory resources */
