X-Git-Url: http://git.cascardo.info/?a=blobdiff_plain;ds=sidebyside;f=drivers%2Fata%2Fpata_it821x.c;h=5d8b91e70ecd82b41b33b3ab407eeb650599d9ff;hb=c69c0892d8dd68b01a9fced5cab8527f0698c15e;hp=430673be1df7560aea3d4be5c9f85e1c53fb0ceb;hpb=e030dbf91a87da7e8be3be3ca781558695bea683;p=cascardo%2Flinux.git

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)