switch (pm_state) { 
switch (pm_state) { 
static int acpi_pm_enter(suspend_state_t pm_state){	acpi_status status = AE_OK;	unsigned long flags = 0;	u32 acpi_state = acpi_suspend_states[pm_state];	ACPI_FLUSH_CPU_CACHE();	/* Do arch specific saving of state. */	if (pm_state > PM_SUSPEND_STANDBY) {		int error = acpi_save_state_mem();		if (error)			return error;	}	local_irq_save(flags);	acpi_enable_wakeup_device(acpi_state);	switch (pm_state)	{	case PM_SUSPEND_STANDBY:		barrier();		status = acpi_enter_sleep_state(acpi_state);		break;	case PM_SUSPEND_MEM:		do_suspend_lowlevel();		break;	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;	default:		return -EINVAL;	}	local_irq_restore(flags);	printk(KERN_DEBUG "Back to C!\n");	/* restore processor state	 * We should only be here if we're coming back from STR or STD.	 * And, in the case of the latter, the memory image should have already	 * been loaded from disk.	 */	if (pm_state > PM_SUSPEND_STANDBY)		acpi_restore_state_mem();	return ACPI_SUCCESS(status) ? 0 : -EFAULT;}
10457	/local/tlutelli/issta_data/temp/c/2005_temp/2005/10457/e2a5b420f716cd1a46674b1a90389612eced916f/main.c/clean/drivers/acpi/sleep/main.c