THC_M_PRT_WRITE_DMA_CNTRL_THC_WRDMA_PTEC
mask = THC_M_PRT_WRITE_DMA_CNTRL_THC_WRDMA_PTEC;
ctrl = FIELD_PREP(THC_M_PRT_WRITE_DMA_CNTRL_THC_WRDMA_PTEC, entry_count);
mask = THC_M_PRT_WRITE_DMA_CNTRL_THC_WRDMA_PTEC;