diff --git a/drivers/ata/pata_optidma.c b/drivers/ata/pata_optidma.c
index 067fca1..d80b36e 100644
--- a/drivers/ata/pata_optidma.c
+++ b/drivers/ata/pata_optidma.c
@@ -393,6 +393,8 @@
 
 	.irq_handler	= ata_interrupt,
 	.irq_clear	= ata_bmdma_irq_clear,
+	.irq_on		= ata_irq_on,
+	.irq_ack	= ata_irq_ack,
 
 	.port_start	= ata_port_start,
 };
@@ -426,6 +428,8 @@
 
 	.irq_handler	= ata_interrupt,
 	.irq_clear	= ata_bmdma_irq_clear,
+	.irq_on		= ata_irq_on,
+	.irq_ack	= ata_irq_ack,
 
 	.port_start	= ata_port_start,
 };