PM / sleep: Export dpm_suspend_late/noirq() and dpm_resume_early/noirq()

Subsequent change sets will add platform-related operations between
dpm_suspend_late() and dpm_suspend_noirq() as well as between
dpm_resume_noirq() and dpm_resume_early() in suspend_enter(), so
export these functions for suspend_enter() to be able to call them
separately and split the invocations of dpm_suspend_end() and
dpm_resume_start() in there accordingly.

Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>

1 files changed, 11 insertions, 3 deletions

diff --git a/kernel/power/suspend.c b/kernel/power/suspend.c
index e837dd6783c6..58ae98b7dc2b 100644
--- a/kernel/power/suspend.c
+++ b/kernel/power/suspend.c
@@ -265,11 +265,16 @@ static int suspend_enter(suspend_state_t state, bool *wakeup)
         if (error)
                 goto Platform_finish;
 
-        error = dpm_suspend_end(PMSG_SUSPEND);
+        error = dpm_suspend_late(PMSG_SUSPEND);
         if (error) {
-                printk(KERN_ERR "PM: Some devices failed to power down\n");
+                printk(KERN_ERR "PM: late suspend of devices failed\n");
                 goto Platform_finish;
         }
+        error = dpm_suspend_noirq(PMSG_SUSPEND);
+        if (error) {
+                printk(KERN_ERR "PM: noirq suspend of devices failed\n");
+                goto Devices_early_resume;
+        }
         error = platform_suspend_prepare_late(state);
         if (error)
                 goto Platform_wake;
@@ -319,7 +324,10 @@ static int suspend_enter(suspend_state_t state, bool *wakeup)
 
  Platform_wake:
         platform_suspend_wake(state);
-        dpm_resume_start(PMSG_RESUME);
+        dpm_resume_noirq(PMSG_RESUME);
+
+ Devices_early_resume:
+        dpm_resume_early(PMSG_RESUME);
 
  Platform_finish:
         platform_suspend_finish(state);