dmaor_read
dmaor = dmaor_read(shdev);
dmaor = dmaor_read(shdev) & ~(DMAOR_NMIF | DMAOR_AE | DMAOR_DME);
dmaor = dmaor_read(shdev);
if (!(dmaor_read(shdev) & DMAOR_AE))
if ((dmaor_read(shdev) & DMAOR_NMIF) == 0)