Update Linux to v5.4.2

Change-Id: Idf6911045d9d382da2cfe01b1edff026404ac8fd
diff --git a/drivers/scsi/mesh.c b/drivers/scsi/mesh.c
index 82e01db..74fb506 100644
--- a/drivers/scsi/mesh.c
+++ b/drivers/scsi/mesh.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
 /*
  * SCSI low-level driver for the MESH (Macintosh Enhanced SCSI Hardware)
  * bus adaptor found on Power Macintosh computers.
@@ -1838,7 +1839,7 @@
 	.this_id			= 7,
 	.sg_tablesize			= SG_ALL,
 	.cmd_per_lun			= 2,
-	.use_clustering			= DISABLE_CLUSTERING,
+	.max_segment_size		= 65535,
 };
 
 static int mesh_probe(struct macio_dev *mdev, const struct of_device_id *match)
@@ -1915,8 +1916,9 @@
 	/* 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_alloc_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 +1976,7 @@
 	 */
 	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 +2009,7 @@
        	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 */