diff --git a/drivers/ata/pata_hpt3x2n.c b/drivers/ata/pata_hpt3x2n.c
index cbe57aba39bc..8772cbb29ee1 100644
--- a/drivers/ata/pata_hpt3x2n.c
+++ b/drivers/ata/pata_hpt3x2n.c
@@ -24,7 +24,7 @@
 #include <linux/libata.h>
 
 #define DRV_NAME	"pata_hpt3x2n"
-#define DRV_VERSION	"0.3.16"
+#define DRV_VERSION	"0.3.17"
 
 enum {
 	HPT_PCI_FAST	=	(1 << 31),
@@ -251,7 +251,7 @@ static void hpt3x2n_bmdma_stop(struct ata_queued_cmd *qc)
 {
 	struct ata_port *ap = qc->ap;
 	struct pci_dev *pdev = to_pci_dev(ap->host->dev);
-	int mscreg = 0x50 + 2 * ap->port_no;
+	int mscreg = 0x50 + 4 * ap->port_no;
 	u8 bwsr_stat, msc_stat;
 
 	pci_read_config_byte(pdev, 0x6A, &bwsr_stat);