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-rw-r--r--drivers/acpi/sleep/main.c8
-rw-r--r--drivers/acpi/sleep/poweroff.c4
-rw-r--r--drivers/acpi/sleep/proc.c2
3 files changed, 1 insertions, 13 deletions
diff --git a/drivers/acpi/sleep/main.c b/drivers/acpi/sleep/main.c
index 7249ba2b7a2..aee50b45326 100644
--- a/drivers/acpi/sleep/main.c
+++ b/drivers/acpi/sleep/main.c
@@ -23,7 +23,6 @@ u8 sleep_states[ACPI_S_STATE_COUNT];
static struct pm_ops acpi_pm_ops;
-extern void do_suspend_lowlevel_s4bios(void);
extern void do_suspend_lowlevel(void);
static u32 acpi_suspend_states[] = {
@@ -98,8 +97,6 @@ static int acpi_pm_enter(suspend_state_t pm_state)
case PM_SUSPEND_DISK:
if (acpi_pm_ops.pm_disk_mode == PM_DISK_PLATFORM)
status = acpi_enter_sleep_state(acpi_state);
- else
- do_suspend_lowlevel_s4bios();
break;
case PM_SUSPEND_MAX:
acpi_power_off();
@@ -206,11 +203,6 @@ static int __init acpi_sleep_init(void)
printk(" S%d", i);
}
if (i == ACPI_STATE_S4) {
- if (acpi_gbl_FACS->S4bios_f) {
- sleep_states[i] = 1;
- printk(" S4bios");
- acpi_pm_ops.pm_disk_mode = PM_DISK_FIRMWARE;
- }
if (sleep_states[i])
acpi_pm_ops.pm_disk_mode = PM_DISK_PLATFORM;
}
diff --git a/drivers/acpi/sleep/poweroff.c b/drivers/acpi/sleep/poweroff.c
index a5f947de879..af7935a95bc 100644
--- a/drivers/acpi/sleep/poweroff.c
+++ b/drivers/acpi/sleep/poweroff.c
@@ -21,9 +21,7 @@ int acpi_sleep_prepare(u32 acpi_state)
{
#ifdef CONFIG_ACPI_SLEEP
/* do we have a wakeup address for S2 and S3? */
- /* Here, we support only S4BIOS, those we set the wakeup address */
- /* S4OS is only supported for now via swsusp.. */
- if (acpi_state == ACPI_STATE_S3 || acpi_state == ACPI_STATE_S4) {
+ if (acpi_state == ACPI_STATE_S3) {
if (!acpi_wakeup_address) {
return -EFAULT;
}
diff --git a/drivers/acpi/sleep/proc.c b/drivers/acpi/sleep/proc.c
index 09a603f3523..4696a85a98b 100644
--- a/drivers/acpi/sleep/proc.c
+++ b/drivers/acpi/sleep/proc.c
@@ -25,8 +25,6 @@ static int acpi_system_sleep_seq_show(struct seq_file *seq, void *offset)
for (i = 0; i <= ACPI_STATE_S5; i++) {
if (sleep_states[i]) {
seq_printf(seq, "S%d ", i);
- if (i == ACPI_STATE_S4 && acpi_gbl_FACS->S4bios_f)
- seq_printf(seq, "S4bios ");
}
}