diff --git a/drivers/ata/sata_vsc.c b/drivers/ata/sata_vsc.c
index fd6855f..8045a72 100644
--- a/drivers/ata/sata_vsc.c
+++ b/drivers/ata/sata_vsc.c
@@ -304,29 +304,14 @@
 };
 
 
-static const struct ata_port_operations vsc_sata_ops = {
+static struct ata_port_operations vsc_sata_ops = {
+	.inherits		= &ata_bmdma_port_ops,
 	.tf_load		= vsc_sata_tf_load,
 	.tf_read		= vsc_sata_tf_read,
-	.exec_command		= ata_exec_command,
-	.check_status		= ata_check_status,
-	.dev_select		= ata_std_dev_select,
-	.bmdma_setup            = ata_bmdma_setup,
-	.bmdma_start            = ata_bmdma_start,
-	.bmdma_stop		= ata_bmdma_stop,
-	.bmdma_status		= ata_bmdma_status,
-	.qc_prep		= ata_qc_prep,
-	.qc_issue		= ata_qc_issue_prot,
-	.data_xfer		= ata_data_xfer,
-	.mode_filter		= ata_pci_default_filter,
 	.freeze			= vsc_freeze,
 	.thaw			= vsc_thaw,
-	.error_handler		= ata_bmdma_error_handler,
-	.post_internal_cmd	= ata_bmdma_post_internal_cmd,
-	.irq_clear		= ata_bmdma_irq_clear,
-	.irq_on			= ata_irq_on,
 	.scr_read		= vsc_sata_scr_read,
 	.scr_write		= vsc_sata_scr_write,
-	.port_start		= ata_sff_port_start,
 };
 
 static void __devinit vsc_sata_setup_port(struct ata_ioports *port,