Update Linux to v5.4.2

Change-Id: Idf6911045d9d382da2cfe01b1edff026404ac8fd
diff --git a/drivers/extcon/extcon-adc-jack.c b/drivers/extcon/extcon-adc-jack.c
index 1802635..ad02dc6 100644
--- a/drivers/extcon/extcon-adc-jack.c
+++ b/drivers/extcon/extcon-adc-jack.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
 /*
  * drivers/extcon/extcon-adc-jack.c
  *
@@ -10,11 +11,6 @@
  * MyungJoo Ham <myungjoo.ham@samsung.com>
  *
  * Modified for calling to IIO to get adc by <anish.singh@samsung.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.
- *
  */
 
 #include <linux/module.h>
@@ -144,10 +140,8 @@
 		return err;
 
 	data->irq = platform_get_irq(pdev, 0);
-	if (data->irq < 0) {
-		dev_err(&pdev->dev, "platform_get_irq failed\n");
+	if (data->irq < 0)
 		return -ENODEV;
-	}
 
 	err = request_any_context_irq(data->irq, adc_jack_irq_thread,
 			pdata->irq_flags, pdata->name, data);