Hibernation: Update messages

Make hibernation messages start with one common prefix "PM: " and use
the word "hibernation" in the messages as a synonym of "suspend to
disk".

Turn some KERN_INFO messages into debug ones.

Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
Acked-by: Pavel Machek <pavel@ucw.cz>
Signed-off-by: Len Brown <len.brown@intel.com>

1 files changed, 15 insertions, 13 deletions

diff --git a/kernel/power/disk.c b/kernel/power/disk.c
index 3e24a200f1d4..64e42ab8b57c 100644
--- a/kernel/power/disk.c
+++ b/kernel/power/disk.c
@@ -191,8 +191,8 @@ int create_image(int platform_mode)
          */
         error = device_power_down(PMSG_FREEZE);
         if (error) {
-                printk(KERN_ERR "Some devices failed to power down, "
-                        KERN_ERR "aborting suspend\n");
+                printk(KERN_ERR "PM: Some devices failed to power down, "
+                        "aborting hibernation\n");
                 goto Enable_irqs;
         }
 
@@ -203,7 +203,8 @@ int create_image(int platform_mode)
         save_processor_state();
         error = swsusp_arch_suspend();
         if (error)
-                printk(KERN_ERR "Error %d while creating the image\n", error);
+                printk(KERN_ERR "PM: Error %d creating hibernation image\n",
+                        error);
         /* Restore control flow magically appears here */
         restore_processor_state();
         if (!in_suspend)
@@ -289,7 +290,7 @@ static int resume_target_kernel(void)
         local_irq_disable();
         error = device_power_down(PMSG_PRETHAW);
         if (error) {
-                printk(KERN_ERR "Some devices failed to power down, "
+                printk(KERN_ERR "PM: Some devices failed to power down, "
                         "aborting resume\n");
                 goto Enable_irqs;
         }
@@ -438,7 +439,7 @@ static void power_down(void)
          * Valid image is on the disk, if we continue we risk serious data
          * corruption after resume.
          */
-        printk(KERN_CRIT "Please power me down manually\n");
+        printk(KERN_CRIT "PM: Please power down manually\n");
         while(1);
 }
 
@@ -484,7 +485,7 @@ int hibernate(void)
         if (error)
                 goto Exit;
 
-        printk("Syncing filesystems ... ");
+        printk(KERN_INFO "PM: Syncing filesystems ... ");
         sys_sync();
         printk("done.\n");
 
@@ -560,10 +561,11 @@ static int software_resume(void)
                         return -ENOENT;
                 }
                 swsusp_resume_device = name_to_dev_t(resume_file);
-                pr_debug("swsusp: Resume From Partition %s\n", resume_file);
+                pr_debug("PM: Resume from partition %s\n", resume_file);
         } else {
-                pr_debug("swsusp: Resume From Partition %d:%d\n",
-                         MAJOR(swsusp_resume_device), MINOR(swsusp_resume_device));
+                pr_debug("PM: Resume from partition %d:%d\n",
+                                MAJOR(swsusp_resume_device),
+                                MINOR(swsusp_resume_device));
         }
 
         if (noresume) {
@@ -575,7 +577,7 @@ static int software_resume(void)
                 return 0;
         }
 
-        pr_debug("PM: Checking swsusp image.\n");
+        pr_debug("PM: Checking hibernation image.\n");
         error = swsusp_check();
         if (error)
                 goto Unlock;
@@ -601,7 +603,7 @@ static int software_resume(void)
                 goto Done;
         }
 
-        pr_debug("PM: Reading swsusp image.\n");
+        pr_debug("PM: Reading hibernation image.\n");
 
         error = swsusp_read(&flags);
         if (!error)
@@ -728,7 +730,7 @@ static ssize_t disk_store(struct kobject *kobj, struct kobj_attribute *attr,
                 error = -EINVAL;
 
         if (!error)
-                pr_debug("PM: suspend-to-disk mode set to '%s'\n",
+                pr_debug("PM: Hibernation mode set to '%s'\n",
                          hibernation_modes[mode]);
         mutex_unlock(&pm_mutex);
         return error ? error : n;
@@ -760,7 +762,7 @@ static ssize_t resume_store(struct kobject *kobj, struct kobj_attribute *attr,
         mutex_lock(&pm_mutex);
         swsusp_resume_device = res;
         mutex_unlock(&pm_mutex);
-        printk("Attempting manual resume\n");
+        printk(KERN_INFO "PM: Starting manual resume from disk\n");
         noresume = 0;
         software_resume();
         ret = n;