Update Linux to v5.4.2

Change-Id: Idf6911045d9d382da2cfe01b1edff026404ac8fd
diff --git a/drivers/mfd/da9052-spi.c b/drivers/mfd/da9052-spi.c
index abfb118..5faf376 100644
--- a/drivers/mfd/da9052-spi.c
+++ b/drivers/mfd/da9052-spi.c
@@ -1,15 +1,10 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
  * SPI access for Dialog DA9052 PMICs.
  *
  * Copyright(c) 2011 Dialog Semiconductor Ltd.
  *
  * Author: David Dajun Chen <dchen@diasemi.com>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
  */
 
 #include <linux/device.h>
@@ -46,7 +41,8 @@
 	config.reg_bits = 7;
 	config.pad_bits = 1;
 	config.val_bits = 8;
-	config.use_single_rw = 1;
+	config.use_single_read = true;
+	config.use_single_write = true;
 
 	da9052->regmap = devm_regmap_init_spi(spi, &config);
 	if (IS_ERR(da9052->regmap)) {