#define DRV_NAME "pata_it821x"
-#define DRV_VERSION "0.3.7"
+#define DRV_VERSION "0.3.8"
struct it821x_dev
{
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;