diff options
| -rw-r--r-- | drivers/ide/ide-dma.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/drivers/ide/ide-dma.c b/drivers/ide/ide-dma.c index de33e6f88f1..ada2a3ea943 100644 --- a/drivers/ide/ide-dma.c +++ b/drivers/ide/ide-dma.c @@ -731,10 +731,12 @@ static unsigned int ide_get_mode_mask(ide_drive_t *drive, u8 base) mask &= 0x07; break; case XFER_MW_DMA_0: - mask = id->dma_mword & hwif->mwdma_mask; + if (id->field_valid & 2) + mask = id->dma_mword & hwif->mwdma_mask; break; case XFER_SW_DMA_0: - mask = id->dma_1word & hwif->swdma_mask; + if (id->field_valid & 2) + mask = id->dma_1word & hwif->swdma_mask; break; default: BUG(); |