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-rw-r--r--kernel/power/suspend.c3
-rw-r--r--kernel/power/swap.c2
-rw-r--r--kernel/power/user.c2
3 files changed, 5 insertions, 2 deletions
diff --git a/kernel/power/suspend.c b/kernel/power/suspend.c
index ecf770509d0d..031d5e3a6197 100644
--- a/kernel/power/suspend.c
+++ b/kernel/power/suspend.c
@@ -22,6 +22,7 @@
#include <linux/mm.h>
#include <linux/slab.h>
#include <linux/suspend.h>
+#include <trace/events/power.h>
#include "power.h"
@@ -201,6 +202,7 @@ int suspend_devices_and_enter(suspend_state_t state)
if (!suspend_ops)
return -ENOSYS;
+ trace_machine_suspend(state);
if (suspend_ops->begin) {
error = suspend_ops->begin(state);
if (error)
@@ -229,6 +231,7 @@ int suspend_devices_and_enter(suspend_state_t state)
Close:
if (suspend_ops->end)
suspend_ops->end();
+ trace_machine_suspend(PWR_EVENT_EXIT);
return error;
Recover_platform:
diff --git a/kernel/power/swap.c b/kernel/power/swap.c
index baf667bb2794..8c7e4832b9be 100644
--- a/kernel/power/swap.c
+++ b/kernel/power/swap.c
@@ -30,7 +30,7 @@
#include "power.h"
-#define HIBERNATE_SIG "LINHIB0001"
+#define HIBERNATE_SIG "S1SUSPEND"
/*
* The swap map is a data structure used for keeping track of each page
diff --git a/kernel/power/user.c b/kernel/power/user.c
index 1b2ea31e6bd8..c36c3b9e8a84 100644
--- a/kernel/power/user.c
+++ b/kernel/power/user.c
@@ -137,7 +137,7 @@ static int snapshot_release(struct inode *inode, struct file *filp)
free_all_swap_pages(data->swap);
if (data->frozen)
thaw_processes();
- pm_notifier_call_chain(data->mode == O_WRONLY ?
+ pm_notifier_call_chain(data->mode == O_RDONLY ?
PM_POST_HIBERNATION : PM_POST_RESTORE);
atomic_inc(&snapshot_device_available);