Merge branch 'pm-sleep' into pm-for-linus

* pm-sleep: (51 commits)
  PM: Drop generic_subsys_pm_ops
  PM / Sleep: Remove forward-only callbacks from AMBA bus type
  PM / Sleep: Remove forward-only callbacks from platform bus type
  PM: Run the driver callback directly if the subsystem one is not there
  PM / Sleep: Make pm_op() and pm_noirq_op() return callback pointers
  PM / Sleep: Merge internal functions in generic_ops.c
  PM / Sleep: Simplify generic system suspend callbacks
  PM / Hibernate: Remove deprecated hibernation snapshot ioctls
  PM / Sleep: Fix freezer failures due to racy usermodehelper_is_disabled()
  PM / Sleep: Recommend [un]lock_system_sleep() over using pm_mutex directly
  PM / Sleep: Replace mutex_[un]lock(&pm_mutex) with [un]lock_system_sleep()
  PM / Sleep: Make [un]lock_system_sleep() generic
  PM / Sleep: Use the freezer_count() functions in [un]lock_system_sleep() APIs
  PM / Freezer: Remove the "userspace only" constraint from freezer[_do_not]_count()
  PM / Hibernate: Replace unintuitive 'if' condition in kernel/power/user.c with 'else'
  Freezer / sunrpc / NFS: don't allow TASK_KILLABLE sleeps to block the freezer
  PM / Sleep: Unify diagnostic messages from device suspend/resume
  ACPI / PM: Do not save/restore NVS on Asus K54C/K54HR
  PM / Hibernate: Remove deprecated hibernation test modes
  PM / Hibernate: Thaw processes in SNAPSHOT_CREATE_IMAGE ioctl test path
  ...

Conflicts:
	kernel/kmod.c

1 files changed, 6 insertions, 9 deletions

diff --git a/drivers/platform/x86/thinkpad_acpi.c b/drivers/platform/x86/thinkpad_acpi.c
index 7b828680b21d..4b11fc91fa7d 100644
--- a/drivers/platform/x86/thinkpad_acpi.c
+++ b/drivers/platform/x86/thinkpad_acpi.c
@@ -2456,8 +2456,9 @@ static int hotkey_kthread(void *data)
 	u32 poll_mask, event_mask;
 	unsigned int si, so;
 	unsigned long t;
-	unsigned int change_detector, must_reset;
+	unsigned int change_detector;
 	unsigned int poll_freq;
+	bool was_frozen;
 
 	mutex_lock(&hotkey_thread_mutex);
 
@@ -2488,14 +2489,14 @@ static int hotkey_kthread(void *data)
 				t = 100;	/* should never happen... */
 		}
 		t = msleep_interruptible(t);
-		if (unlikely(kthread_should_stop()))
+		if (unlikely(kthread_freezable_should_stop(&was_frozen)))
 			break;
-		must_reset = try_to_freeze();
-		if (t > 0 && !must_reset)
+
+		if (t > 0 && !was_frozen)
 			continue;
 
 		mutex_lock(&hotkey_thread_data_mutex);
-		if (must_reset || hotkey_config_change != change_detector) {
+		if (was_frozen || hotkey_config_change != change_detector) {
 			/* forget old state on thaw or config change */
 			si = so;
 			t = 0;
@@ -2528,10 +2529,6 @@ exit:
 static void hotkey_poll_stop_sync(void)
 {
 	if (tpacpi_hotkey_task) {
-		if (frozen(tpacpi_hotkey_task) ||
-		    freezing(tpacpi_hotkey_task))
-			thaw_process(tpacpi_hotkey_task);
-
 		kthread_stop(tpacpi_hotkey_task);
 		tpacpi_hotkey_task = NULL;
 		mutex_lock(&hotkey_thread_mutex);