ATA_NR_MWDMA_MODES 898 drivers/ata/libata-core.c { ATA_SHIFT_MWDMA, ATA_NR_MWDMA_MODES, XFER_MW_DMA_0 }, ATA_NR_MWDMA_MODES 330 include/linux/libata.h ATA_SHIFT_UDMA = ATA_SHIFT_MWDMA + ATA_NR_MWDMA_MODES, ATA_NR_MWDMA_MODES 471 include/linux/libata.h ATA_MASK_MWDMA = ((1LU << ATA_NR_MWDMA_MODES) - 1)