X-Git-Url: http://pilppa.org/gitweb/gitweb.cgi?a=blobdiff_plain;f=kernel%2Fpower%2Fdisk.c;h=0866b163c6bb928716e75c876761040817dc4c24;hb=4cc79776c9ea431790e04fcacbebb30d28eb1570;hp=05b64790fe8391ed5189eee02144e5cf63f3fa2b;hpb=4fd3670eb1d3c33e8952cf1e79edbb2d517dcfb5;p=linux-2.6-omap-h63xx.git

diff --git a/kernel/power/disk.c b/kernel/power/disk.c
index 05b64790fe8..0866b163c6b 100644
--- a/kernel/power/disk.c
+++ b/kernel/power/disk.c
@@ -70,6 +70,35 @@ void hibernation_set_ops(struct platform_hibernation_ops *ops)
 	mutex_unlock(&pm_mutex);
 }
 
+#ifdef CONFIG_PM_DEBUG
+static void hibernation_debug_sleep(void)
+{
+	printk(KERN_INFO "hibernation debug: Waiting for 5 seconds.\n");
+	mdelay(5000);
+}
+
+static int hibernation_testmode(int mode)
+{
+	if (hibernation_mode == mode) {
+		hibernation_debug_sleep();
+		return 1;
+	}
+	return 0;
+}
+
+static int hibernation_test(int level)
+{
+	if (pm_test_level == level) {
+		hibernation_debug_sleep();
+		return 1;
+	}
+	return 0;
+}
+#else /* !CONFIG_PM_DEBUG */
+static int hibernation_testmode(int mode) { return 0; }
+static int hibernation_test(int level) { return 0; }
+#endif /* !CONFIG_PM_DEBUG */
+
 /**
  *	platform_start - tell the platform driver that we're starting
  *	hibernation
@@ -167,6 +196,10 @@ int create_image(int platform_mode)
 		goto Enable_irqs;
 	}
 
+	if (hibernation_test(TEST_CORE))
+		goto Power_up;
+
+	in_suspend = 1;
 	save_processor_state();
 	error = swsusp_arch_suspend();
 	if (error)
@@ -175,6 +208,7 @@ int create_image(int platform_mode)
 	restore_processor_state();
 	if (!in_suspend)
 		platform_leave(platform_mode);
+ Power_up:
 	/* NOTE:  device_power_up() is just a resume() for devices
 	 * that suspended with irqs off ... no overall powerup.
 	 */
@@ -211,24 +245,29 @@ int hibernation_snapshot(int platform_mode)
 	if (error)
 		goto Resume_console;
 
-	error = platform_pre_snapshot(platform_mode);
-	if (error)
+	if (hibernation_test(TEST_DEVICES))
 		goto Resume_devices;
 
+	error = platform_pre_snapshot(platform_mode);
+	if (error || hibernation_test(TEST_PLATFORM))
+		goto Finish;
+
 	error = disable_nonboot_cpus();
 	if (!error) {
-		if (hibernation_mode != HIBERNATION_TEST) {
-			in_suspend = 1;
-			error = create_image(platform_mode);
-			/* Control returns here after successful restore */
-		} else {
-			printk("swsusp debug: Waiting for 5 seconds.\n");
-			mdelay(5000);
-		}
+		if (hibernation_test(TEST_CPUS))
+			goto Enable_cpus;
+
+		if (hibernation_testmode(HIBERNATION_TEST))
+			goto Enable_cpus;
+
+		error = create_image(platform_mode);
+		/* Control returns here after successful restore */
 	}
+ Enable_cpus:
 	enable_nonboot_cpus();
- Resume_devices:
+ Finish:
 	platform_finish(platform_mode);
+ Resume_devices:
 	device_resume();
  Resume_console:
 	resume_console();
@@ -406,11 +445,12 @@ int hibernate(void)
 	if (error)
 		goto Finish;
 
-	if (hibernation_mode == HIBERNATION_TESTPROC) {
-		printk("swsusp debug: Waiting for 5 seconds.\n");
-		mdelay(5000);
+	if (hibernation_test(TEST_FREEZER))
 		goto Thaw;
-	}
+
+	if (hibernation_testmode(HIBERNATION_TESTPROC))
+		goto Thaw;
+
 	error = hibernation_snapshot(hibernation_mode == HIBERNATION_PLATFORM);
 	if (in_suspend && !error) {
 		unsigned int flags = 0;
@@ -499,6 +539,10 @@ static int software_resume(void)
 		goto Unlock;
 	}
 
+	error = pm_notifier_call_chain(PM_RESTORE_PREPARE);
+	if (error)
+		goto Finish;
+
 	error = create_basic_memory_bitmaps();
 	if (error)
 		goto Finish;
@@ -522,6 +566,7 @@ static int software_resume(void)
  Done:
 	free_basic_memory_bitmaps();
  Finish:
+	pm_notifier_call_chain(PM_POST_RESTORE);
 	atomic_inc(&snapshot_device_available);
 	/* For success case, the suspend path will release the lock */
  Unlock:
@@ -567,7 +612,8 @@ static const char * const hibernation_modes[] = {
  *	supports it (as determined by having hibernation_ops).
  */
 
-static ssize_t disk_show(struct kset *kset, char *buf)
+static ssize_t disk_show(struct kobject *kobj, struct kobj_attribute *attr,
+			 char *buf)
 {
 	int i;
 	char *start = buf;
@@ -597,7 +643,8 @@ static ssize_t disk_show(struct kset *kset, char *buf)
 }
 
 
-static ssize_t disk_store(struct kset *kset, const char *buf, size_t n)
+static ssize_t disk_store(struct kobject *kobj, struct kobj_attribute *attr,
+			  const char *buf, size_t n)
 {
 	int error = 0;
 	int i;
@@ -642,13 +689,15 @@ static ssize_t disk_store(struct kset *kset, const char *buf, size_t n)
 
 power_attr(disk);
 
-static ssize_t resume_show(struct kset *kset, char *buf)
+static ssize_t resume_show(struct kobject *kobj, struct kobj_attribute *attr,
+			   char *buf)
 {
 	return sprintf(buf,"%d:%d\n", MAJOR(swsusp_resume_device),
 		       MINOR(swsusp_resume_device));
 }
 
-static ssize_t resume_store(struct kset *kset, const char *buf, size_t n)
+static ssize_t resume_store(struct kobject *kobj, struct kobj_attribute *attr,
+			    const char *buf, size_t n)
 {
 	unsigned int maj, min;
 	dev_t res;
@@ -674,12 +723,14 @@ static ssize_t resume_store(struct kset *kset, const char *buf, size_t n)
 
 power_attr(resume);
 
-static ssize_t image_size_show(struct kset *kset, char *buf)
+static ssize_t image_size_show(struct kobject *kobj, struct kobj_attribute *attr,
+			       char *buf)
 {
 	return sprintf(buf, "%lu\n", image_size);
 }
 
-static ssize_t image_size_store(struct kset *kset, const char *buf, size_t n)
+static ssize_t image_size_store(struct kobject *kobj, struct kobj_attribute *attr,
+				const char *buf, size_t n)
 {
 	unsigned long size;
 
@@ -708,7 +759,7 @@ static struct attribute_group attr_group = {
 
 static int __init pm_disk_init(void)
 {
-	return sysfs_create_group(&power_subsys.kobj, &attr_group);
+	return sysfs_create_group(power_kobj, &attr_group);
 }
 
 core_initcall(pm_disk_init);