flexcop_null_filter_ctrl(fc, 1);
void flexcop_hw_filter_init(struct flexcop_device *fc){	int i;	flexcop_ibi_value v;	for (i = 0; i < 6 + 32*fc->has_32_hw_pid_filter; i++)		flexcop_pid_control(fc,i,0x1fff,0);	flexcop_pid_group_filter(fc, 0x1fe0,0);	v = fc->read_ibi_reg(fc,pid_filter_308);	v.pid_filter_308.EMM_filter_4 = 1;	v.pid_filter_308.EMM_filter_6 = 0;	fc->write_ibi_reg(fc,pid_filter_308,v);}