MPC_DMA_DESCRIPTORS
MPC_DMA_DESCRIPTORS * sizeof(struct mpc_dma_tcd),
for (i = 0; i < MPC_DMA_DESCRIPTORS; i++) {
MPC_DMA_DESCRIPTORS * sizeof(struct mpc_dma_tcd),
MPC_DMA_DESCRIPTORS * sizeof(struct mpc_dma_tcd),