diff options
Diffstat (limited to 'drivers/acpi/sleep/main.c')
| -rw-r--r-- | drivers/acpi/sleep/main.c | 46 |
1 files changed, 25 insertions, 21 deletions
diff --git a/drivers/acpi/sleep/main.c b/drivers/acpi/sleep/main.c index 85633c585aab..2cbb9aabd00e 100644 --- a/drivers/acpi/sleep/main.c +++ b/drivers/acpi/sleep/main.c @@ -24,7 +24,30 @@ u8 sleep_states[ACPI_S_STATE_COUNT]; +#ifdef CONFIG_PM_SLEEP static u32 acpi_target_sleep_state = ACPI_STATE_S0; +#endif + +int acpi_sleep_prepare(u32 acpi_state) +{ +#ifdef CONFIG_ACPI_SLEEP + /* do we have a wakeup address for S2 and S3? */ + if (acpi_state == ACPI_STATE_S3) { + if (!acpi_wakeup_address) { + return -EFAULT; + } + acpi_set_firmware_waking_vector((acpi_physical_address) + virt_to_phys((void *) + acpi_wakeup_address)); + + } + ACPI_FLUSH_CPU_CACHE(); + acpi_enable_wakeup_device_prep(acpi_state); +#endif + acpi_gpe_sleep_prepare(acpi_state); + acpi_enter_sleep_state_prep(acpi_state); + return 0; +} #ifdef CONFIG_SUSPEND static struct pm_ops acpi_pm_ops; @@ -60,27 +83,6 @@ static int acpi_pm_set_target(suspend_state_t pm_state) return error; } -int acpi_sleep_prepare(u32 acpi_state) -{ -#ifdef CONFIG_ACPI_SLEEP - /* do we have a wakeup address for S2 and S3? */ - if (acpi_state == ACPI_STATE_S3) { - if (!acpi_wakeup_address) { - return -EFAULT; - } - acpi_set_firmware_waking_vector((acpi_physical_address) - virt_to_phys((void *) - acpi_wakeup_address)); - - } - ACPI_FLUSH_CPU_CACHE(); - acpi_enable_wakeup_device_prep(acpi_state); -#endif - acpi_gpe_sleep_prepare(acpi_state); - acpi_enter_sleep_state_prep(acpi_state); - return 0; -} - /** * acpi_pm_prepare - Do preliminary suspend work. * @pm_state: ignored @@ -299,6 +301,7 @@ int acpi_suspend(u32 acpi_state) return -EINVAL; } +#ifdef CONFIG_PM_SLEEP /** * acpi_pm_device_sleep_state - return preferred power state of ACPI device * in the system sleep state given by %acpi_target_sleep_state @@ -373,6 +376,7 @@ int acpi_pm_device_sleep_state(struct device *dev, int wake, int *d_min_p) *d_min_p = d_min; return d_max; } +#endif static void acpi_power_off_prepare(void) { |
