Input: i8042 - switch to using dev_pm_ops

Signed-off-by: Dmitry Torokhov <dtor@mail.ru>

1 files changed, 18 insertions, 26 deletions

diff --git a/drivers/input/serio/i8042.c b/drivers/input/serio/i8042.c
index 582245c497eb..9f5c0506242f 100644
--- a/drivers/input/serio/i8042.c
+++ b/drivers/input/serio/i8042.c
@@ -923,41 +923,27 @@ static void i8042_dritek_enable(void)
 
 #ifdef CONFIG_PM
 
-static bool i8042_suspended;
-
 /*
- * Here we try to restore the original BIOS settings. We only want to
- * do that once, when we really suspend, not when we taking memory
- * snapshot for swsusp (in this case we'll perform required cleanup
- * as part of shutdown process).
+ * Here we try to restore the original BIOS settings to avoid
+ * upsetting it.
  */
 
-static int i8042_suspend(struct platform_device *dev, pm_message_t state)
+static int i8042_pm_reset(struct device *dev)
 {
-        if (!i8042_suspended && state.event == PM_EVENT_SUSPEND)
-                i8042_controller_reset();
-
-        i8042_suspended = state.event == PM_EVENT_SUSPEND ||
-                          state.event == PM_EVENT_FREEZE;
+        i8042_controller_reset();
 
         return 0;
 }
 
-
 /*
- * Here we try to reset everything back to a state in which suspended
+ * Here we try to reset everything back to a state we had
+ * before suspending.
  */
 
-static int i8042_resume(struct platform_device *dev)
+static int i8042_pm_restore(struct device *dev)
 {
         int error;
 
-/*
- * Do not bother with restoring state if we haven't suspened yet
- */
-        if (!i8042_suspended)
-                return 0;
-
         error = i8042_controller_check();
         if (error)
                 return error;
@@ -1001,11 +987,18 @@ static int i8042_resume(struct platform_device *dev)
         if (i8042_ports[I8042_KBD_PORT_NO].serio)
                 i8042_enable_kbd_port();
 
-        i8042_suspended = false;
         i8042_interrupt(0, NULL);
 
         return 0;
 }
+
+static const struct dev_pm_ops i8042_pm_ops = {
+        .suspend        = i8042_pm_reset,
+        .resume         = i8042_pm_restore,
+        .poweroff       = i8042_pm_reset,
+        .restore        = i8042_pm_restore,
+};
+
 #endif /* CONFIG_PM */
 
 /*
@@ -1251,14 +1244,13 @@ static struct platform_driver i8042_driver = {
         .driver         = {
                 .name   = "i8042",
                 .owner  = THIS_MODULE,
+#ifdef CONFIG_PM
+                .pm     = &i8042_pm_ops,
+#endif
         },
         .probe          = i8042_probe,
         .remove         = __devexit_p(i8042_remove),
         .shutdown       = i8042_shutdown,
-#ifdef CONFIG_PM
-        .suspend        = i8042_suspend,
-        .resume         = i8042_resume,
-#endif
 };
 
 static int __init i8042_init(void)