diff options
Diffstat (limited to 'kernel/power')
| -rw-r--r-- | kernel/power/hibernate.c | 16 | ||||
| -rw-r--r-- | kernel/power/main.c | 4 | ||||
| -rw-r--r-- | kernel/power/poweroff.c | 3 | ||||
| -rw-r--r-- | kernel/power/snapshot.c | 4 | ||||
| -rw-r--r-- | kernel/power/suspend.c | 9 | ||||
| -rw-r--r-- | kernel/power/suspend_test.c | 3 | ||||
| -rw-r--r-- | kernel/power/swap.c | 4 | ||||
| -rw-r--r-- | kernel/power/user.c | 4 |
8 files changed, 25 insertions, 22 deletions
diff --git a/kernel/power/hibernate.c b/kernel/power/hibernate.c index c8c272df7154..cd7434e6000d 100644 --- a/kernel/power/hibernate.c +++ b/kernel/power/hibernate.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * kernel/power/hibernate.c - Hibernation (a.k.a suspend-to-disk) support. * @@ -6,8 +7,6 @@ * Copyright (c) 2004 Pavel Machek <pavel@ucw.cz> * Copyright (c) 2009 Rafael J. Wysocki, Novell Inc. * Copyright (C) 2012 Bojan Smojver <bojan@rexursive.com> - * - * This file is released under the GPLv2. */ #define pr_fmt(fmt) "PM: " fmt @@ -129,7 +128,7 @@ static int hibernation_test(int level) { return 0; } static int platform_begin(int platform_mode) { return (platform_mode && hibernation_ops) ? - hibernation_ops->begin() : 0; + hibernation_ops->begin(PMSG_FREEZE) : 0; } /** @@ -257,6 +256,11 @@ void swsusp_show_speed(ktime_t start, ktime_t stop, (kps % 1000) / 10); } +__weak int arch_resume_nosmt(void) +{ + return 0; +} + /** * create_image - Create a hibernation image. * @platform_mode: Whether or not to use the platform driver. @@ -324,6 +328,10 @@ static int create_image(int platform_mode) Enable_cpus: suspend_enable_secondary_cpus(); + /* Allow architectures to do nosmt-specific post-resume dances */ + if (!in_suspend) + error = arch_resume_nosmt(); + Platform_finish: platform_finish(platform_mode); @@ -542,7 +550,7 @@ int hibernation_platform_enter(void) * hibernation_ops->finish() before saving the image, so we should let * the firmware know that we're going to enter the sleep state after all */ - error = hibernation_ops->begin(); + error = hibernation_ops->begin(PMSG_HIBERNATE); if (error) goto Close; diff --git a/kernel/power/main.c b/kernel/power/main.c index 4f43e724f6eb..bdbd605c4215 100644 --- a/kernel/power/main.c +++ b/kernel/power/main.c @@ -1,11 +1,9 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * kernel/power/main.c - PM subsystem core functionality. * * Copyright (c) 2003 Patrick Mochel * Copyright (c) 2003 Open Source Development Lab - * - * This file is released under the GPLv2 - * */ #include <linux/export.h> diff --git a/kernel/power/poweroff.c b/kernel/power/poweroff.c index 7ef6866b521d..6d475281c730 100644 --- a/kernel/power/poweroff.c +++ b/kernel/power/poweroff.c @@ -1,7 +1,6 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * poweroff.c - sysrq handler to gracefully power down machine. - * - * This file is released under the GPL v2 */ #include <linux/kernel.h> diff --git a/kernel/power/snapshot.c b/kernel/power/snapshot.c index bc9558ab1e5b..83105874f255 100644 --- a/kernel/power/snapshot.c +++ b/kernel/power/snapshot.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * linux/kernel/power/snapshot.c * @@ -5,9 +6,6 @@ * * Copyright (C) 1998-2005 Pavel Machek <pavel@ucw.cz> * Copyright (C) 2006 Rafael J. Wysocki <rjw@sisk.pl> - * - * This file is released under the GPLv2. - * */ #define pr_fmt(fmt) "PM: " fmt diff --git a/kernel/power/suspend.c b/kernel/power/suspend.c index ef908c134b34..9505101ed2bc 100644 --- a/kernel/power/suspend.c +++ b/kernel/power/suspend.c @@ -1,11 +1,10 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * kernel/power/suspend.c - Suspend to RAM and standby functionality. * * Copyright (c) 2003 Patrick Mochel * Copyright (c) 2003 Open Source Development Lab * Copyright (c) 2009 Rafael J. Wysocki <rjw@sisk.pl>, Novell Inc. - * - * This file is released under the GPLv2. */ #define pr_fmt(fmt) "PM: " fmt @@ -62,6 +61,12 @@ static DECLARE_SWAIT_QUEUE_HEAD(s2idle_wait_head); enum s2idle_states __read_mostly s2idle_state; static DEFINE_RAW_SPINLOCK(s2idle_lock); +/** + * pm_suspend_via_s2idle - Check if suspend-to-idle is the default suspend. + * + * Return 'true' if suspend-to-idle has been selected as the default system + * suspend method. + */ bool pm_suspend_via_s2idle(void) { return mem_sleep_current == PM_SUSPEND_TO_IDLE; diff --git a/kernel/power/suspend_test.c b/kernel/power/suspend_test.c index 6a897e8b2a88..60564b58de07 100644 --- a/kernel/power/suspend_test.c +++ b/kernel/power/suspend_test.c @@ -1,9 +1,8 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * kernel/power/suspend_test.c - Suspend to RAM and standby test facility. * * Copyright (c) 2009 Pavel Machek <pavel@ucw.cz> - * - * This file is released under the GPLv2. */ #include <linux/init.h> diff --git a/kernel/power/swap.c b/kernel/power/swap.c index d7f6c1a288d3..e1912ad13bdc 100644 --- a/kernel/power/swap.c +++ b/kernel/power/swap.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * linux/kernel/power/swap.c * @@ -7,9 +8,6 @@ * Copyright (C) 1998,2001-2005 Pavel Machek <pavel@ucw.cz> * Copyright (C) 2006 Rafael J. Wysocki <rjw@sisk.pl> * Copyright (C) 2010-2012 Bojan Smojver <bojan@rexursive.com> - * - * This file is released under the GPLv2. - * */ #define pr_fmt(fmt) "PM: " fmt diff --git a/kernel/power/user.c b/kernel/power/user.c index cb24e840a3e6..77438954cc2b 100644 --- a/kernel/power/user.c +++ b/kernel/power/user.c @@ -1,12 +1,10 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * linux/kernel/power/user.c * * This file provides the user space interface for software suspend/resume. * * Copyright (C) 2006 Rafael J. Wysocki <rjw@sisk.pl> - * - * This file is released under the GPLv2. - * */ #include <linux/suspend.h> |