diff options
Diffstat (limited to 'drivers/ide/ide-dma.c')
| -rw-r--r-- | drivers/ide/ide-dma.c | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/drivers/ide/ide-dma.c b/drivers/ide/ide-dma.c index ff644a5e12c..097d6e9865b 100644 --- a/drivers/ide/ide-dma.c +++ b/drivers/ide/ide-dma.c @@ -673,8 +673,13 @@ static unsigned int ide_get_mode_mask(ide_drive_t *drive, u8 base) mask &= 0x07; break; case XFER_MW_DMA_0: - if (id->field_valid & 2) - mask = id->dma_mword & hwif->mwdma_mask; + if ((id->field_valid & 2) == 0) + break; + if (hwif->mdma_filter) + mask = hwif->mdma_filter(drive); + else + mask = hwif->mwdma_mask; + mask &= id->dma_mword; break; case XFER_SW_DMA_0: if (id->field_valid & 2) { |