8 files changed, 20 insertions, 54 deletions
diff --git a/include/acpi/acpi_bus.h b/include/acpi/acpi_bus.h
index 52d4375bde9d..175f7b40c585 100644
--- a/include/acpi/acpi_bus.h
+++ b/include/acpi/acpi_bus.h
@@ -1,22 +1,9 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
 /*
  *  acpi_bus.h - ACPI Bus Driver ($Revision: 22 $)
  *
  *  Copyright (C) 2001, 2002 Andy Grover <andrew.grover@intel.com>
  *  Copyright (C) 2001, 2002 Paul Diefenbaugh <paul.s.diefenbaugh@intel.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.
- *
- *  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.
- *
- * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
  */
 
 #ifndef __ACPI_BUS_H__
@@ -519,13 +506,16 @@ int acpi_bus_get_status(struct acpi_device *device);
 
 int acpi_bus_set_power(acpi_handle handle, int state);
 const char *acpi_power_state_string(int state);
-int acpi_device_get_power(struct acpi_device *device, int *state);
 int acpi_device_set_power(struct acpi_device *device, int state);
 int acpi_bus_init_power(struct acpi_device *device);
 int acpi_device_fix_up_power(struct acpi_device *device);
 int acpi_bus_update_power(acpi_handle handle, int *state_p);
 int acpi_device_update_power(struct acpi_device *device, int *state_p);
 bool acpi_bus_power_manageable(acpi_handle handle);
+int acpi_device_power_add_dependent(struct acpi_device *adev,
+				    struct device *dev);
+void acpi_device_power_remove_dependent(struct acpi_device *adev,
+					struct device *dev);
 
 #ifdef CONFIG_PM
 bool acpi_bus_can_wakeup(acpi_handle handle);
@@ -664,6 +654,12 @@ static inline int acpi_pm_set_bridge_wakeup(struct device *dev, bool enable)
 }
 #endif
 
+#ifdef CONFIG_ACPI_SYSTEM_POWER_STATES_SUPPORT
+bool acpi_sleep_state_supported(u8 sleep_state);
+#else
+static inline bool acpi_sleep_state_supported(u8 sleep_state) { return false; }
+#endif
+
 #ifdef CONFIG_ACPI_SLEEP
 u32 acpi_target_system_state(void);
 #else
diff --git a/include/acpi/acpi_drivers.h b/include/acpi/acpi_drivers.h
index de1804aeaf69..5eb175933a5b 100644
--- a/include/acpi/acpi_drivers.h
+++ b/include/acpi/acpi_drivers.h
@@ -1,22 +1,9 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
 /*
  *  acpi_drivers.h  ($Revision: 31 $)
  *
  *  Copyright (C) 2001, 2002 Andy Grover <andrew.grover@intel.com>
  *  Copyright (C) 2001, 2002 Paul Diefenbaugh <paul.s.diefenbaugh@intel.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.
- *
- *  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.
- *
- * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
  */
 
 #ifndef __ACPI_DRIVERS_H__
@@ -25,7 +12,7 @@
 #define ACPI_MAX_STRING			80
 
 /*
- * Please update drivers/acpi/debug.c and Documentation/acpi/debug.txt
+ * Please update drivers/acpi/debug.c and Documentation/firmware-guide/acpi/debug.rst
  * if you add to this list.
  */
 #define ACPI_BUS_COMPONENT		0x00010000
diff --git a/include/acpi/acpi_io.h b/include/acpi/acpi_io.h
index d0633fc1fc15..12d8bd333fe7 100644
--- a/include/acpi/acpi_io.h
+++ b/include/acpi/acpi_io.h
@@ -16,8 +16,8 @@ static inline void __iomem *acpi_os_ioremap(acpi_physical_address phys,
 
 extern bool acpi_permanent_mmap;
 
-void __iomem *__ref
-acpi_os_map_iomem(acpi_physical_address phys, acpi_size size);
+void __iomem __ref
+*acpi_os_map_iomem(acpi_physical_address phys, acpi_size size);
 void __ref acpi_os_unmap_iomem(void __iomem *virt, acpi_size size);
 void __iomem *acpi_os_get_iomem(acpi_physical_address phys, unsigned int size);
 
diff --git a/include/acpi/acpi_lpat.h b/include/acpi/acpi_lpat.h
index da37e12d23e2..72d6264ef2ab 100644
--- a/include/acpi/acpi_lpat.h
+++ b/include/acpi/acpi_lpat.h
@@ -1,16 +1,8 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
 /*
  * acpi_lpat.h - LPAT table processing functions
  *
  * Copyright (C) 2015 Intel Corporation. All rights reserved.
- *
- * 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.
- *
- * 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.
  */
 
 #ifndef ACPI_LPAT_H
diff --git a/include/acpi/acpixf.h b/include/acpi/acpixf.h
index 4a8a05401fb5..3845c8fcc94e 100644
--- a/include/acpi/acpixf.h
+++ b/include/acpi/acpixf.h
@@ -12,7 +12,7 @@
 
 /* Current ACPICA subsystem version in YYYYMMDD format */
 
-#define ACPI_CA_VERSION                 0x20190509
+#define ACPI_CA_VERSION                 0x20190703
 
 #include <acpi/acconfig.h>
 #include <acpi/actypes.h>
diff --git a/include/acpi/cppc_acpi.h b/include/acpi/cppc_acpi.h
index ba6fd7202775..a6a9373ab863 100644
--- a/include/acpi/cppc_acpi.h
+++ b/include/acpi/cppc_acpi.h
@@ -1,14 +1,10 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
 /*
  * CPPC (Collaborative Processor Performance Control) methods used
  * by CPUfreq drivers.
  *
  * (C) Copyright 2014, 2015 Linaro Ltd.
  * Author: Ashwin Chaugule <ashwin.chaugule@linaro.org>
- *
- * 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; version 2
- * of the License.
  */
 
 #ifndef _CPPC_ACPI_H
diff --git a/include/acpi/hed.h b/include/acpi/hed.h
index 46e1249b70cc..ebef902afdd7 100644
--- a/include/acpi/hed.h
+++ b/include/acpi/hed.h
@@ -1,10 +1,9 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
 /*
  * hed.h - ACPI Hardware Error Device
  *
  * Copyright (C) 2009, Intel Corp.
  *	Author: Huang Ying <ying.huang@intel.com>
- *
- * This file is released under the GPLv2.
  */
 
 #ifndef ACPI_HED_H
diff --git a/include/acpi/pcc.h b/include/acpi/pcc.h
index cd6ef45e614e..4dec4ed138cd 100644
--- a/include/acpi/pcc.h
+++ b/include/acpi/pcc.h
@@ -1,10 +1,6 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
 /*
  * PCC (Platform Communications Channel) methods
- *
- * 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; version 2
- * of the License.
  */
 
 #ifndef _PCC_H