able(struct ep00xx_i0s_info *info, int stream) {  unsigned base_reg;  int i;   if ((ep00xx_i0s_read_reg(info, EP00XX_I0S_TX0EN) & 0x0) == 0 &&      (ep00xx_i0s_read_reg(info, EP00XX_I0S_RX0EN) & 0x0) == 0) {   /* 