Update Linux to v5.4.2

Change-Id: Idf6911045d9d382da2cfe01b1edff026404ac8fd
diff --git a/drivers/acpi/pci_link.c b/drivers/acpi/pci_link.c
index d5eec35..00a6da2 100644
--- a/drivers/acpi/pci_link.c
+++ b/drivers/acpi/pci_link.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
  *  pci_link.c - ACPI PCI Interrupt Link Device Driver ($Revision: 34 $)
  *
@@ -5,20 +6,6 @@
  *  Copyright (C) 2001, 2002 Paul Diefenbaugh <paul.s.diefenbaugh@intel.com>
  *  Copyright (C) 2002       Dominik Brodowski <devel@brodo.de>
  *
- * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
- *
- *  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.
- *
- *  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.
- *
- * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
- *
  * TBD: 
  *      1. Support more than one IRQ resource entry per link device (index).
  *	2. Implement start/stop mechanism and use ACPI Bus Driver facilities
@@ -317,10 +304,10 @@
 		resource->res.data.irq.polarity =
 		    link->irq.polarity;
 		if (link->irq.triggering == ACPI_EDGE_SENSITIVE)
-			resource->res.data.irq.sharable =
+			resource->res.data.irq.shareable =
 			    ACPI_EXCLUSIVE;
 		else
-			resource->res.data.irq.sharable = ACPI_SHARED;
+			resource->res.data.irq.shareable = ACPI_SHARED;
 		resource->res.data.irq.interrupt_count = 1;
 		resource->res.data.irq.interrupts[0] = irq;
 		break;
@@ -335,10 +322,10 @@
 		resource->res.data.extended_irq.polarity =
 		    link->irq.polarity;
 		if (link->irq.triggering == ACPI_EDGE_SENSITIVE)
-			resource->res.data.irq.sharable =
+			resource->res.data.irq.shareable =
 			    ACPI_EXCLUSIVE;
 		else
-			resource->res.data.irq.sharable = ACPI_SHARED;
+			resource->res.data.irq.shareable = ACPI_SHARED;
 		resource->res.data.extended_irq.interrupt_count = 1;
 		resource->res.data.extended_irq.interrupts[0] = irq;
 		/* ignore resource_source, it's optional */
@@ -674,7 +661,7 @@
 	ACPI_DEBUG_PRINT((ACPI_DB_INFO,
 			  "Link %s is referenced\n",
 			  acpi_device_bid(link->device)));
-	return (link->irq.active);
+	return link->irq.active;
 }
 
 /*
@@ -725,7 +712,7 @@
 		acpi_evaluate_object(link->device->handle, "_DIS", NULL, NULL);
 
 	mutex_unlock(&acpi_link_lock);
-	return (link->irq.active);
+	return link->irq.active;
 }
 
 /* --------------------------------------------------------------------------