ahc_get_transfer_length
== ahc_get_transfer_length(scb)) {
ahc_get_transfer_length(scb), scb->sg_count);
if (ahc_get_transfer_length(scb) & 0x1)
resid = ahc_get_transfer_length(scb);
ahc_get_transfer_length(scb) - ahc_get_residual(scb);
ahc_get_transfer_length(scb));