Update Linux to v5.4.2

Change-Id: Idf6911045d9d382da2cfe01b1edff026404ac8fd
diff --git a/sound/soc/atmel/atmel-classd.c b/sound/soc/atmel/atmel-classd.c
index 3d70061..e98601e 100644
--- a/sound/soc/atmel/atmel-classd.c
+++ b/sound/soc/atmel/atmel-classd.c
@@ -1,12 +1,9 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
 /* Atmel ALSA SoC Audio Class D Amplifier (CLASSD) driver
  *
  * Copyright (C) 2015 Atmel
  *
  * Author: Songjun Wu <songjun.wu@atmel.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 or later
- * as published by the Free Software Foundation.
  */
 
 #include <linux/of.h>
@@ -500,17 +497,30 @@
 {
 	struct snd_soc_dai_link *dai_link;
 	struct atmel_classd *dd = snd_soc_card_get_drvdata(card);
+	struct snd_soc_dai_link_component *comp;
 
 	dai_link = devm_kzalloc(dev, sizeof(*dai_link), GFP_KERNEL);
 	if (!dai_link)
 		return -ENOMEM;
 
+	comp = devm_kzalloc(dev, 3 * sizeof(*comp), GFP_KERNEL);
+	if (!comp)
+		return -ENOMEM;
+
+	dai_link->cpus		= &comp[0];
+	dai_link->codecs	= &comp[1];
+	dai_link->platforms	= &comp[2];
+
+	dai_link->num_cpus	= 1;
+	dai_link->num_codecs	= 1;
+	dai_link->num_platforms	= 1;
+
 	dai_link->name			= "CLASSD";
 	dai_link->stream_name		= "CLASSD PCM";
-	dai_link->codec_dai_name	= ATMEL_CLASSD_CODEC_DAI_NAME;
-	dai_link->cpu_dai_name		= dev_name(dev);
-	dai_link->codec_name		= dev_name(dev);
-	dai_link->platform_name		= dev_name(dev);
+	dai_link->codecs->dai_name	= ATMEL_CLASSD_CODEC_DAI_NAME;
+	dai_link->cpus->dai_name	= dev_name(dev);
+	dai_link->codecs->name		= dev_name(dev);
+	dai_link->platforms->name	= dev_name(dev);
 
 	card->dai_link	= dai_link;
 	card->num_links	= 1;
@@ -561,11 +571,8 @@
 	dd->pdata = pdata;
 
 	dd->irq = platform_get_irq(pdev, 0);
-	if (dd->irq < 0) {
-		ret = dd->irq;
-		dev_err(dev, "failed to could not get irq: %d\n", ret);
-		return ret;
-	}
+	if (dd->irq < 0)
+		return dd->irq;
 
 	dd->pclk = devm_clk_get(dev, "pclk");
 	if (IS_ERR(dd->pclk)) {