DMA_RESET
ltq_dma_w32_mask(0, DMA_RESET, LTQ_DMA_CTRL);
WR_HARPOON(port + hp_scsireset, (DMA_RESET | HPSCSI_RESET | PROG_RESET |
rtsx_usb_ep0_write_register(ucr, MC_DMA_RST, DMA_RESET, DMA_RESET);