aboutsummaryrefslogtreecommitdiff
path: root/drivers/acpi
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/acpi')
-rw-r--r--drivers/acpi/sleep/poweroff.c15
-rw-r--r--drivers/acpi/sleep/sleep.h2
-rw-r--r--drivers/acpi/sleep/wakeup.c6
3 files changed, 13 insertions, 10 deletions
diff --git a/drivers/acpi/sleep/poweroff.c b/drivers/acpi/sleep/poweroff.c
index af7935a95bc..47fb4b394ee 100644
--- a/drivers/acpi/sleep/poweroff.c
+++ b/drivers/acpi/sleep/poweroff.c
@@ -33,9 +33,7 @@ int acpi_sleep_prepare(u32 acpi_state)
ACPI_FLUSH_CPU_CACHE();
acpi_enable_wakeup_device_prep(acpi_state);
#endif
- if (acpi_state == ACPI_STATE_S5) {
- acpi_wakeup_gpe_poweroff_prepare();
- }
+ acpi_gpe_sleep_prepare(acpi_state);
acpi_enter_sleep_state_prep(acpi_state);
return 0;
}
@@ -53,11 +51,16 @@ void acpi_power_off(void)
static int acpi_shutdown(struct sys_device *x)
{
- if (system_state == SYSTEM_POWER_OFF) {
- /* Prepare if we are going to power off the system */
+ switch (system_state) {
+ case SYSTEM_POWER_OFF:
+ /* Prepare to power off the system */
return acpi_sleep_prepare(ACPI_STATE_S5);
+ case SYSTEM_SUSPEND_DISK:
+ /* Prepare to suspend the system to disk */
+ return acpi_sleep_prepare(ACPI_STATE_S4);
+ default:
+ return 0;
}
- return 0;
}
static struct sysdev_class acpi_sysclass = {
diff --git a/drivers/acpi/sleep/sleep.h b/drivers/acpi/sleep/sleep.h
index efd0001c6f0..f3e70397a7d 100644
--- a/drivers/acpi/sleep/sleep.h
+++ b/drivers/acpi/sleep/sleep.h
@@ -5,4 +5,4 @@ extern int acpi_suspend (u32 state);
extern void acpi_enable_wakeup_device_prep(u8 sleep_state);
extern void acpi_enable_wakeup_device(u8 sleep_state);
extern void acpi_disable_wakeup_device(u8 sleep_state);
-extern void acpi_wakeup_gpe_poweroff_prepare(void);
+extern void acpi_gpe_sleep_prepare(u32 sleep_state);
diff --git a/drivers/acpi/sleep/wakeup.c b/drivers/acpi/sleep/wakeup.c
index 4134ed43d02..85df0ceda2a 100644
--- a/drivers/acpi/sleep/wakeup.c
+++ b/drivers/acpi/sleep/wakeup.c
@@ -192,7 +192,7 @@ late_initcall(acpi_wakeup_device_init);
* RUNTIME GPEs, we simply mark all GPES that
* are not enabled for wakeup from S5 as RUNTIME.
*/
-void acpi_wakeup_gpe_poweroff_prepare(void)
+void acpi_gpe_sleep_prepare(u32 sleep_state)
{
struct list_head *node, *next;
@@ -201,8 +201,8 @@ void acpi_wakeup_gpe_poweroff_prepare(void)
struct acpi_device,
wakeup_list);
- /* The GPE can wakeup system from S5, don't touch it */
- if ((u32) dev->wakeup.sleep_state == ACPI_STATE_S5)
+ /* The GPE can wakeup system from this state, don't touch it */
+ if ((u32) dev->wakeup.sleep_state >= sleep_state)
continue;
/* acpi_set_gpe_type will automatically disable GPE */
acpi_set_gpe_type(dev->wakeup.gpe_device,