X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=kernel%2Fpower%2Fdisk.c;h=14a656cdc6523bf64d9c5b64c3a628529b56bab5;hb=198bb971e256e4167e45e7df643c13ea66f67e3a;hp=64e42ab8b57c3008e5d1f1574557eef3667939d7;hpb=23976728a48c3b76d34e17ead19addd52b3a280e;p=linux-2.6

diff --git a/kernel/power/disk.c b/kernel/power/disk.c
index 64e42ab8b5..14a656cdc6 100644
--- a/kernel/power/disk.c
+++ b/kernel/power/disk.c
@@ -26,7 +26,7 @@
 
 
 static int noresume = 0;
-char resume_file[256] = CONFIG_PM_STD_PARTITION;
+static char resume_file[256] = CONFIG_PM_STD_PARTITION;
 dev_t swsusp_resume_device;
 sector_t swsusp_resume_block;
 
@@ -54,8 +54,8 @@ static struct platform_hibernation_ops *hibernation_ops;
 
 void hibernation_set_ops(struct platform_hibernation_ops *ops)
 {
-	if (ops && !(ops->start && ops->pre_snapshot && ops->finish
-	    && ops->prepare && ops->enter && ops->pre_restore
+	if (ops && !(ops->begin && ops->end &&  ops->pre_snapshot
+	    && ops->prepare && ops->finish && ops->enter && ops->pre_restore
 	    && ops->restore_cleanup)) {
 		WARN_ON(1);
 		return;
@@ -100,14 +100,25 @@ static int hibernation_test(int level) { return 0; }
 #endif /* !CONFIG_PM_DEBUG */
 
 /**
- *	platform_start - tell the platform driver that we're starting
+ *	platform_begin - tell the platform driver that we're starting
  *	hibernation
  */
 
-static int platform_start(int platform_mode)
+static int platform_begin(int platform_mode)
 {
 	return (platform_mode && hibernation_ops) ?
-		hibernation_ops->start() : 0;
+		hibernation_ops->begin() : 0;
+}
+
+/**
+ *	platform_end - tell the platform driver that we've entered the
+ *	working state
+ */
+
+static void platform_end(int platform_mode)
+{
+	if (platform_mode && hibernation_ops)
+		hibernation_ops->end();
 }
 
 /**
@@ -174,7 +185,7 @@ static void platform_restore_cleanup(int platform_mode)
  *	reappears in this routine after a restore.
  */
 
-int create_image(int platform_mode)
+static int create_image(int platform_mode)
 {
 	int error;
 
@@ -237,9 +248,9 @@ int hibernation_snapshot(int platform_mode)
 	if (error)
 		return error;
 
-	error = platform_start(platform_mode);
+	error = platform_begin(platform_mode);
 	if (error)
-		return error;
+		goto Close;
 
 	suspend_console();
 	error = device_suspend(PMSG_FREEZE);
@@ -272,6 +283,8 @@ int hibernation_snapshot(int platform_mode)
 	device_resume();
  Resume_console:
 	resume_console();
+ Close:
+	platform_end(platform_mode);
 	return error;
 }
 
@@ -373,12 +386,12 @@ int hibernation_platform_enter(void)
 	 * hibernation_ops->finish() before saving the image, so we should let
 	 * the firmware know that we're going to enter the sleep state after all
 	 */
-	error = hibernation_ops->start();
+	error = hibernation_ops->begin();
 	if (error)
-		return error;
+		goto Close;
 
 	suspend_console();
-	error = device_suspend(PMSG_SUSPEND);
+	error = device_suspend(PMSG_HIBERNATE);
 	if (error)
 		goto Resume_console;
 
@@ -391,7 +404,7 @@ int hibernation_platform_enter(void)
 		goto Finish;
 
 	local_irq_disable();
-	error = device_power_down(PMSG_SUSPEND);
+	error = device_power_down(PMSG_HIBERNATE);
 	if (!error) {
 		hibernation_ops->enter();
 		/* We should never get here */
@@ -409,6 +422,8 @@ int hibernation_platform_enter(void)
 	device_resume();
  Resume_console:
 	resume_console();
+ Close:
+	hibernation_ops->end();
 	return error;
 }
 
@@ -443,20 +458,13 @@ static void power_down(void)
 	while(1);
 }
 
-static void unprepare_processes(void)
-{
-	thaw_processes();
-	pm_restore_console();
-}
-
 static int prepare_processes(void)
 {
 	int error = 0;
 
-	pm_prepare_console();
 	if (freeze_processes()) {
 		error = -EBUSY;
-		unprepare_processes();
+		thaw_processes();
 	}
 	return error;
 }
@@ -476,6 +484,7 @@ int hibernate(void)
 		goto Unlock;
 	}
 
+	pm_prepare_console();
 	error = pm_notifier_call_chain(PM_HIBERNATION_PREPARE);
 	if (error)
 		goto Exit;
@@ -515,11 +524,12 @@ int hibernate(void)
 		swsusp_free();
 	}
  Thaw:
-	unprepare_processes();
+	thaw_processes();
  Finish:
 	free_basic_memory_bitmaps();
  Exit:
 	pm_notifier_call_chain(PM_POST_HIBERNATION);
+	pm_restore_console();
 	atomic_inc(&snapshot_device_available);
  Unlock:
 	mutex_unlock(&pm_mutex);
@@ -588,6 +598,7 @@ static int software_resume(void)
 		goto Unlock;
 	}
 
+	pm_prepare_console();
 	error = pm_notifier_call_chain(PM_RESTORE_PREPARE);
 	if (error)
 		goto Finish;
@@ -611,11 +622,12 @@ static int software_resume(void)
 
 	printk(KERN_ERR "PM: Restore failed, recovering.\n");
 	swsusp_free();
-	unprepare_processes();
+	thaw_processes();
  Done:
 	free_basic_memory_bitmaps();
  Finish:
 	pm_notifier_call_chain(PM_POST_RESTORE);
+	pm_restore_console();
 	atomic_inc(&snapshot_device_available);
 	/* For success case, the suspend path will release the lock */
  Unlock: