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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, 5 insertions, 4 deletions
diff --git a/drivers/ide/ide-dma.c b/drivers/ide/ide-dma.c
index 8757e5ef6c9..dc4bc06f987 100644
--- a/drivers/ide/ide-dma.c
+++ b/drivers/ide/ide-dma.c
@@ -574,6 +574,7 @@ static unsigned int ide_get_mode_mask(ide_drive_t *drive, u8 base, u8 req_mode)
{
struct hd_driveid *id = drive->id;
ide_hwif_t *hwif = drive->hwif;
+ const struct ide_port_ops *port_ops = hwif->port_ops;
unsigned int mask = 0;
switch(base) {
@@ -581,8 +582,8 @@ static unsigned int ide_get_mode_mask(ide_drive_t *drive, u8 base, u8 req_mode)
if ((id->field_valid & 4) == 0)
break;
- if (hwif->udma_filter)
- mask = hwif->udma_filter(drive);
+ if (port_ops && port_ops->udma_filter)
+ mask = port_ops->udma_filter(drive);
else
mask = hwif->ultra_mask;
mask &= id->dma_ultra;
@@ -598,8 +599,8 @@ static unsigned int ide_get_mode_mask(ide_drive_t *drive, u8 base, u8 req_mode)
case XFER_MW_DMA_0:
if ((id->field_valid & 2) == 0)
break;
- if (hwif->mdma_filter)
- mask = hwif->mdma_filter(drive);
+ if (port_ops && port_ops->mdma_filter)
+ mask = port_ops->mdma_filter(drive);
else
mask = hwif->mwdma_mask;
mask &= id->dma_mword;