1 files changed, 7 insertions, 2 deletions

diff --git a/drivers/ide/ide-dma.c b/drivers/ide/ide-dma.c
index ff644a5e12cd..097d6e9865bc 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) {