diff --git a/drivers/ata/pata_serverworks.c b/drivers/ata/pata_serverworks.c
index 318a3698..627abcf 100644
--- a/drivers/ata/pata_serverworks.c
+++ b/drivers/ata/pata_serverworks.c
@@ -302,71 +302,16 @@
 };
 
 static struct ata_port_operations serverworks_osb4_port_ops = {
+	.inherits	= &ata_bmdma_port_ops,
+	.cable_detect	= serverworks_cable_detect,
+	.mode_filter	= serverworks_osb4_filter,
 	.set_piomode	= serverworks_set_piomode,
 	.set_dmamode	= serverworks_set_dmamode,
-	.mode_filter	= serverworks_osb4_filter,
-
-	.tf_load	= ata_tf_load,
-	.tf_read	= ata_tf_read,
-	.check_status 	= ata_check_status,
-	.exec_command	= ata_exec_command,
-	.dev_select 	= ata_std_dev_select,
-
-	.freeze		= ata_bmdma_freeze,
-	.thaw		= ata_bmdma_thaw,
-	.error_handler	= ata_bmdma_error_handler,
-	.post_internal_cmd = ata_bmdma_post_internal_cmd,
-	.cable_detect	= serverworks_cable_detect,
-
-	.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,
-
-	.irq_handler	= ata_interrupt,
-	.irq_clear	= ata_bmdma_irq_clear,
-	.irq_on		= ata_irq_on,
-
-	.port_start	= ata_sff_port_start,
 };
 
 static struct ata_port_operations serverworks_csb_port_ops = {
-	.set_piomode	= serverworks_set_piomode,
-	.set_dmamode	= serverworks_set_dmamode,
+	.inherits	= &serverworks_osb4_port_ops,
 	.mode_filter	= serverworks_csb_filter,
-
-	.tf_load	= ata_tf_load,
-	.tf_read	= ata_tf_read,
-	.check_status 	= ata_check_status,
-	.exec_command	= ata_exec_command,
-	.dev_select 	= ata_std_dev_select,
-
-	.freeze		= ata_bmdma_freeze,
-	.thaw		= ata_bmdma_thaw,
-	.error_handler	= ata_bmdma_error_handler,
-	.post_internal_cmd = ata_bmdma_post_internal_cmd,
-	.cable_detect	= serverworks_cable_detect,
-
-	.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,
-
-	.irq_handler	= ata_interrupt,
-	.irq_clear	= ata_bmdma_irq_clear,
-	.irq_on		= ata_irq_on,
-
-	.port_start	= ata_sff_port_start,
 };
 
 static int serverworks_fixup_osb4(struct pci_dev *pdev)