drsctl            432 drivers/dma/ioat/dma.c 		u16 drsctl = IOAT_CHAN_DRSZ_2MB | IOAT_CHAN_DRS_EN;
drsctl            435 drivers/dma/ioat/dma.c 			drsctl |= IOAT_CHAN_DRS_AUTOWRAP;
drsctl            437 drivers/dma/ioat/dma.c 		writew(drsctl, ioat_chan->reg_base + IOAT_CHAN_DRSCTL_OFFSET);