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-rw-r--r--kernel/power/suspend.c12
1 files changed, 10 insertions, 2 deletions
diff --git a/kernel/power/suspend.c b/kernel/power/suspend.c
index ef908c134b34..096211299c07 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;
@@ -488,6 +493,9 @@ int suspend_devices_and_enter(suspend_state_t state)
pm_suspend_target_state = state;
+ if (state == PM_SUSPEND_TO_IDLE)
+ pm_set_suspend_no_platform();
+
error = platform_suspend_begin(state);
if (error)
goto Close;