Update Linux to v5.4.2

Change-Id: Idf6911045d9d382da2cfe01b1edff026404ac8fd
diff --git a/drivers/spi/spi-tegra20-sflash.c b/drivers/spi/spi-tegra20-sflash.c
index 22893a7..a841a72 100644
--- a/drivers/spi/spi-tegra20-sflash.c
+++ b/drivers/spi/spi-tegra20-sflash.c
@@ -1,21 +1,10 @@
+// SPDX-License-Identifier: GPL-2.0-only
 /*
  * SPI driver for Nvidia's Tegra20 Serial Flash Controller.
  *
  * Copyright (c) 2012, NVIDIA CORPORATION.  All rights reserved.
  *
  * Author: Laxman Dewangan <ldewangan@nvidia.com>
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms and conditions of the GNU General Public License,
- * version 2, as published by the Free Software Foundation.
- *
- * This program is distributed in the hope 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, see <http://www.gnu.org/licenses/>.
  */
 
 #include <linux/clk.h>
@@ -430,7 +419,6 @@
 {
 	struct spi_master	*master;
 	struct tegra_sflash_data	*tsd;
-	struct resource		*r;
 	int ret;
 	const struct of_device_id *match;
 
@@ -462,8 +450,7 @@
 				 &master->max_speed_hz))
 		master->max_speed_hz = 25000000; /* 25MHz */
 
-	r = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-	tsd->base = devm_ioremap_resource(&pdev->dev, r);
+	tsd->base = devm_platform_ioremap_resource(pdev, 0);
 	if (IS_ERR(tsd->base)) {
 		ret = PTR_ERR(tsd->base);
 		goto exit_free_master;