FTDMAC020_LLI_TRANSFER_SIZE_MASK
retbits &= ~FTDMAC020_LLI_TRANSFER_SIZE_MASK;
tsize &= FTDMAC020_LLI_TRANSFER_SIZE_MASK;
writel_relaxed(llictl & FTDMAC020_LLI_TRANSFER_SIZE_MASK,
bytes = val & FTDMAC020_LLI_TRANSFER_SIZE_MASK;