static u32 change_bus_speed(struct controller *ctrl, struct slot *p_slot, enum pci_bus_speed speed) 
static int change_bus_speed(struct controller *ctrl, struct slot *p_slot, enum pci_bus_speed speed) 
static u32 change_bus_speed(struct controller *ctrl, struct slot *p_slot, enum pci_bus_speed speed){ 	u32 rc = 0;	dbg("%s: change to speed %d\n", __FUNCTION__, speed);	down(&ctrl->crit_sect);	if ((rc = p_slot->hpc_ops->set_bus_speed_mode(p_slot, speed))) {		err("%s: Issue of set bus speed mode command failed\n", __FUNCTION__);		up(&ctrl->crit_sect);		return WRONG_BUS_FREQUENCY;	}	wait_for_ctrl_irq (ctrl);			if ((rc = p_slot->hpc_ops->check_cmd_status(ctrl))) {		err("%s: Can't set bus speed/mode in the case of adapter & bus mismatch\n",			  __FUNCTION__);		err("%s: Error code (%d)\n", __FUNCTION__, rc);		up(&ctrl->crit_sect);		return WRONG_BUS_FREQUENCY;	}	up(&ctrl->crit_sect);	return rc;}
4520	/local/tlutelli/issta_data/temp/c/2005_temp/2005/4520/ee138334d5eb5ca662b2d69228420c1ccc051e0e/shpchp_ctrl.c/clean/drivers/pci/hotplug/shpchp_ctrl.c