diff options
Diffstat (limited to 'drivers/ata/pata_it821x.c')
| -rw-r--r-- | drivers/ata/pata_it821x.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/drivers/ata/pata_it821x.c b/drivers/ata/pata_it821x.c index 7225124d96c..5d8b91e70ec 100644 --- a/drivers/ata/pata_it821x.c +++ b/drivers/ata/pata_it821x.c @@ -80,7 +80,7 @@ #define DRV_NAME "pata_it821x" -#define DRV_VERSION "0.3.7" +#define DRV_VERSION "0.3.8" struct it821x_dev { @@ -533,6 +533,10 @@ static int it821x_check_atapi_dma(struct ata_queued_cmd *qc) struct ata_port *ap = qc->ap; struct it821x_dev *itdev = ap->private_data; + /* Only use dma for transfers to/from the media. */ + if (qc->nbytes < 2048) + return -EOPNOTSUPP; + /* No ATAPI DMA in smart mode */ if (itdev->smart) return -EOPNOTSUPP; |