BCH_SEQ_READS
for (i = 0; i < data_len; i += FIFO_DEPTH * BCH_SEQ_READS) {
FIFO_DEPTH * BCH_SEQ_READS);
data += FIFO_DEPTH * BCH_SEQ_READS;
for (i = 0; i < spare_len; i += FIFO_DEPTH * BCH_SEQ_READS) {
FIFO_DEPTH * BCH_SEQ_READS);
spare += FIFO_DEPTH * BCH_SEQ_READS;