Update Linux to v5.4.2

Change-Id: Idf6911045d9d382da2cfe01b1edff026404ac8fd
diff --git a/sound/pci/asihpi/hpios.c b/sound/pci/asihpi/hpios.c
index 5ef4fe9..6fe60d1 100644
--- a/sound/pci/asihpi/hpios.c
+++ b/sound/pci/asihpi/hpios.c
@@ -1,20 +1,9 @@
+// SPDX-License-Identifier: GPL-2.0-only
 /******************************************************************************
 
     AudioScience HPI driver
     Copyright (C) 1997-2012  AudioScience Inc. <support@audioscience.com>
 
-    This program is free software; you can redistribute it and/or modify
-    it under the terms of version 2 of the GNU General Public License as
-    published by the Free Software Foundation;
-
-    This program is distributed in the hope that it will be useful,
-    but WITHOUT ANY WARRANTY; without even the implied warranty of
-    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-    GNU General Public License for more details.
-
-    You should have received a copy of the GNU General Public License
-    along with this program; if not, write to the Free Software
-    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 
 HPI Operating System function implementation for Linux
 
@@ -49,7 +38,7 @@
 	/*?? any benefit in using managed dmam_alloc_coherent? */
 	p_mem_area->vaddr =
 		dma_alloc_coherent(&pdev->dev, size, &p_mem_area->dma_handle,
-		GFP_DMA32 | GFP_KERNEL);
+		GFP_KERNEL);
 
 	if (p_mem_area->vaddr) {
 		HPI_DEBUG_LOG(DEBUG, "allocated %d bytes, dma 0x%x vma %p\n",