1 files changed, 6 insertions, 2 deletions

diff --git a/drivers/ata/pata_it821x.c b/drivers/ata/pata_it821x.c
index 430673be1df7..5d8b91e70ecd 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;
@@ -587,7 +591,7 @@ static int it821x_port_start(struct ata_port *ap)
         itdev->want[1][1] = ATA_ANY;
         itdev->last_device = -1;
 
-        if (pdev->revision == 0x11) {
+        if (pdev->revision == 0x10) {
                 itdev->timing10 = 1;
                 /* Need to disable ATAPI DMA for this case */
                 if (!itdev->smart)