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path: root/drivers/ide/ide-dma.c
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Diffstat (limited to 'drivers/ide/ide-dma.c')
-rw-r--r--drivers/ide/ide-dma.c9
1 files changed, 7 insertions, 2 deletions
diff --git a/drivers/ide/ide-dma.c b/drivers/ide/ide-dma.c
index ff644a5..097d6e9 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) {