diff --git a/drivers/ata/sata_mv.c b/drivers/ata/sata_mv.c
index 0c0057e..eb97dde 100644
--- a/drivers/ata/sata_mv.c
+++ b/drivers/ata/sata_mv.c
@@ -870,7 +870,7 @@
 		struct mv_host_priv *hpriv = ap->host->private_data;
 		int hard_port = mv_hardport_from_port(ap->port_no);
 		void __iomem *hc_mmio = mv_hc_base_from_port(
-				ap->host->iomap[MV_PRIMARY_BAR], hard_port);
+					mv_host_base(ap->host), hard_port);
 		u32 hc_irq_cause, ipending;
 
 		/* clear EDMA event indicators, if any */