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path: root/drivers/acpi/sleep/main.c
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Diffstat (limited to 'drivers/acpi/sleep/main.c')
-rw-r--r--drivers/acpi/sleep/main.c37
1 files changed, 27 insertions, 10 deletions
diff --git a/drivers/acpi/sleep/main.c b/drivers/acpi/sleep/main.c
index 5055acf2163..048295ec370 100644
--- a/drivers/acpi/sleep/main.c
+++ b/drivers/acpi/sleep/main.c
@@ -50,7 +50,7 @@ int acpi_sleep_prepare(u32 acpi_state)
}
#ifdef CONFIG_SUSPEND
-static struct pm_ops acpi_pm_ops;
+static struct platform_suspend_ops acpi_pm_ops;
extern void do_suspend_lowlevel(void);
@@ -85,13 +85,12 @@ static int acpi_pm_set_target(suspend_state_t pm_state)
/**
* acpi_pm_prepare - Do preliminary suspend work.
- * @pm_state: ignored
*
* If necessary, set the firmware waking vector and do arch-specific
* nastiness to get the wakeup code to the waking vector.
*/
-static int acpi_pm_prepare(suspend_state_t pm_state)
+static int acpi_pm_prepare(void)
{
int error = acpi_sleep_prepare(acpi_target_sleep_state);
@@ -160,13 +159,12 @@ static int acpi_pm_enter(suspend_state_t pm_state)
/**
* acpi_pm_finish - Finish up suspend sequence.
- * @pm_state: ignored
*
* This is called after we wake back up (or if entering the sleep state
* failed).
*/
-static int acpi_pm_finish(suspend_state_t pm_state)
+static void acpi_pm_finish(void)
{
u32 acpi_state = acpi_target_sleep_state;
@@ -184,7 +182,6 @@ static int acpi_pm_finish(suspend_state_t pm_state)
init_8259A(0);
}
#endif
- return 0;
}
static int acpi_pm_state_valid(suspend_state_t pm_state)
@@ -203,7 +200,7 @@ static int acpi_pm_state_valid(suspend_state_t pm_state)
}
}
-static struct pm_ops acpi_pm_ops = {
+static struct platform_suspend_ops acpi_pm_ops = {
.valid = acpi_pm_state_valid,
.set_target = acpi_pm_set_target,
.prepare = acpi_pm_prepare,
@@ -233,6 +230,12 @@ static struct dmi_system_id __initdata acpisleep_dmi_table[] = {
#endif /* CONFIG_SUSPEND */
#ifdef CONFIG_HIBERNATION
+static int acpi_hibernation_start(void)
+{
+ acpi_target_sleep_state = ACPI_STATE_S4;
+ return 0;
+}
+
static int acpi_hibernation_prepare(void)
{
return acpi_sleep_prepare(ACPI_STATE_S4);
@@ -254,6 +257,15 @@ static int acpi_hibernation_enter(void)
return ACPI_SUCCESS(status) ? 0 : -EFAULT;
}
+static void acpi_hibernation_leave(void)
+{
+ /*
+ * If ACPI is not enabled by the BIOS and the boot kernel, we need to
+ * enable it here.
+ */
+ acpi_enable();
+}
+
static void acpi_hibernation_finish(void)
{
acpi_leave_sleep_state(ACPI_STATE_S4);
@@ -261,6 +273,8 @@ static void acpi_hibernation_finish(void)
/* reset firmware waking vector */
acpi_set_firmware_waking_vector((acpi_physical_address) 0);
+
+ acpi_target_sleep_state = ACPI_STATE_S0;
}
static int acpi_hibernation_pre_restore(void)
@@ -277,10 +291,13 @@ static void acpi_hibernation_restore_cleanup(void)
acpi_hw_enable_all_runtime_gpes();
}
-static struct hibernation_ops acpi_hibernation_ops = {
+static struct platform_hibernation_ops acpi_hibernation_ops = {
+ .start = acpi_hibernation_start,
+ .pre_snapshot = acpi_hibernation_prepare,
+ .finish = acpi_hibernation_finish,
.prepare = acpi_hibernation_prepare,
.enter = acpi_hibernation_enter,
- .finish = acpi_hibernation_finish,
+ .leave = acpi_hibernation_leave,
.pre_restore = acpi_hibernation_pre_restore,
.restore_cleanup = acpi_hibernation_restore_cleanup,
};
@@ -417,7 +434,7 @@ int __init acpi_sleep_init(void)
}
}
- pm_set_ops(&acpi_pm_ops);
+ suspend_set_ops(&acpi_pm_ops);
#endif
#ifdef CONFIG_HIBERNATION