ASD_EDBS_PER_SCB
escb->num_valid = ASD_EDBS_PER_SCB;
for (k = 0; k < ASD_EDBS_PER_SCB; k++) {
seq->num_escbs = (edbs+ASD_EDBS_PER_SCB-1)/ASD_EDBS_PER_SCB;
seq->num_edbs = seq->num_escbs * ASD_EDBS_PER_SCB;
struct sg_el eb[ASD_EDBS_PER_SCB];
escb->num_valid = ASD_EDBS_PER_SCB;
for (i = 0; i < ASD_EDBS_PER_SCB; i++)