Update Linux to v5.4.2

Change-Id: Idf6911045d9d382da2cfe01b1edff026404ac8fd
diff --git a/include/linux/dma-debug.h b/include/linux/dma-debug.h
index a785f25..4208f94 100644
--- a/include/linux/dma-debug.h
+++ b/include/linux/dma-debug.h
@@ -1,20 +1,8 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
 /*
  * Copyright (C) 2008 Advanced Micro Devices, Inc.
  *
  * Author: Joerg Roedel <joerg.roedel@amd.com>
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License version 2 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
  */
 
 #ifndef __DMA_DEBUG_H
@@ -30,17 +18,17 @@
 
 extern void dma_debug_add_bus(struct bus_type *bus);
 
-extern int dma_debug_resize_entries(u32 num_entries);
+extern void debug_dma_map_single(struct device *dev, const void *addr,
+				 unsigned long len);
 
 extern void debug_dma_map_page(struct device *dev, struct page *page,
 			       size_t offset, size_t size,
-			       int direction, dma_addr_t dma_addr,
-			       bool map_single);
+			       int direction, dma_addr_t dma_addr);
 
 extern void debug_dma_mapping_error(struct device *dev, dma_addr_t dma_addr);
 
 extern void debug_dma_unmap_page(struct device *dev, dma_addr_t addr,
-				 size_t size, int direction, bool map_single);
+				 size_t size, int direction);
 
 extern void debug_dma_map_sg(struct device *dev, struct scatterlist *sg,
 			     int nents, int mapped_ents, int direction);
@@ -69,17 +57,6 @@
 					     dma_addr_t dma_handle,
 					     size_t size, int direction);
 
-extern void debug_dma_sync_single_range_for_cpu(struct device *dev,
-						dma_addr_t dma_handle,
-						unsigned long offset,
-						size_t size,
-						int direction);
-
-extern void debug_dma_sync_single_range_for_device(struct device *dev,
-						   dma_addr_t dma_handle,
-						   unsigned long offset,
-						   size_t size, int direction);
-
 extern void debug_dma_sync_sg_for_cpu(struct device *dev,
 				      struct scatterlist *sg,
 				      int nelems, int direction);
@@ -98,15 +75,14 @@
 {
 }
 
-static inline int dma_debug_resize_entries(u32 num_entries)
+static inline void debug_dma_map_single(struct device *dev, const void *addr,
+					unsigned long len)
 {
-	return 0;
 }
 
 static inline void debug_dma_map_page(struct device *dev, struct page *page,
 				      size_t offset, size_t size,
-				      int direction, dma_addr_t dma_addr,
-				      bool map_single)
+				      int direction, dma_addr_t dma_addr)
 {
 }
 
@@ -116,8 +92,7 @@
 }
 
 static inline void debug_dma_unmap_page(struct device *dev, dma_addr_t addr,
-					size_t size, int direction,
-					bool map_single)
+					size_t size, int direction)
 {
 }
 
@@ -166,22 +141,6 @@
 {
 }
 
-static inline void debug_dma_sync_single_range_for_cpu(struct device *dev,
-						       dma_addr_t dma_handle,
-						       unsigned long offset,
-						       size_t size,
-						       int direction)
-{
-}
-
-static inline void debug_dma_sync_single_range_for_device(struct device *dev,
-							  dma_addr_t dma_handle,
-							  unsigned long offset,
-							  size_t size,
-							  int direction)
-{
-}
-
 static inline void debug_dma_sync_sg_for_cpu(struct device *dev,
 					     struct scatterlist *sg,
 					     int nelems, int direction)