ACPI: Print message before calling _PTS
Make acpi_sleep_prepare() static and cause it to print a message
specifying the ACPI system sleep state to be entered (helpful for
debugging the suspend/hibernation code).
Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
Acked-by: Pavel Machek <pavel@suse.cz>
Signed-off-by: Len Brown <len.brown@intel.com>
diff --git a/drivers/acpi/sleep/main.c b/drivers/acpi/sleep/main.c
index 10db899..485de13 100644
--- a/drivers/acpi/sleep/main.c
+++ b/drivers/acpi/sleep/main.c
@@ -43,7 +43,7 @@
__setup("acpi_new_pts_ordering", acpi_new_pts_ordering);
#endif
-int acpi_sleep_prepare(u32 acpi_state)
+static int acpi_sleep_prepare(u32 acpi_state)
{
#ifdef CONFIG_ACPI_SLEEP
/* do we have a wakeup address for S2 and S3? */
@@ -59,6 +59,8 @@
ACPI_FLUSH_CPU_CACHE();
acpi_enable_wakeup_device_prep(acpi_state);
#endif
+ printk(KERN_INFO PREFIX "Preparing to enter system sleep state S%d\n",
+ acpi_state);
acpi_enter_sleep_state_prep(acpi_state);
return 0;
}