#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;
itdev->want[1][1] = ATA_ANY;
itdev->last_device = -1;
- pci_read_config_byte(pdev, PCI_REVISION_ID, &conf);
- if (conf == 0x10) {
+ if (pdev->revision == 0x10) {
itdev->timing10 = 1;
/* Need to disable ATAPI DMA for this case */
if (!itdev->smart)
.flags = ATA_FLAG_SLAVE_POSS,
.pio_mask = 0x1f,
.mwdma_mask = 0x07,
- .udma_mask = 0x7f,
+ .udma_mask = ATA_UDMA6,
.port_ops = &it821x_passthru_port_ops
};