diff --git a/drivers/ide/arm/icside.c b/drivers/ide/arm/icside.c
index 65038ca..0614569 100644
--- a/drivers/ide/arm/icside.c
+++ b/drivers/ide/arm/icside.c
@@ -483,7 +483,7 @@
 	.init_dma		= icside_dma_off_init,
 	.port_ops		= &icside_v6_no_dma_port_ops,
 	.dma_ops		= &icside_v6_dma_ops,
-	.host_flags		= IDE_HFLAG_SERIALIZE,
+	.host_flags		= IDE_HFLAG_SERIALIZE | IDE_HFLAG_MMIO,
 	.mwdma_mask		= ATA_MWDMA2,
 	.swdma_mask		= ATA_SWDMA2,
 };
diff --git a/drivers/ide/arm/palm_bk3710.c b/drivers/ide/arm/palm_bk3710.c
index aaf3254..96378eb 100644
--- a/drivers/ide/arm/palm_bk3710.c
+++ b/drivers/ide/arm/palm_bk3710.c
@@ -342,6 +342,7 @@
 static const struct ide_port_info __devinitdata palm_bk3710_port_info = {
 	.init_dma		= palm_bk3710_init_dma,
 	.port_ops		= &palm_bk3710_ports_ops,
+	.host_flags		= IDE_HFLAG_MMIO,
 	.pio_mask		= ATA_PIO4,
 	.udma_mask		= ATA_UDMA4,	/* (input clk 99MHz) */
 	.mwdma_mask		= ATA_MWDMA2,
diff --git a/drivers/ide/arm/rapide.c b/drivers/ide/arm/rapide.c
index babc1a5..1747b23 100644
--- a/drivers/ide/arm/rapide.c
+++ b/drivers/ide/arm/rapide.c
@@ -53,6 +53,7 @@
 
 		ide_init_port_hw(hwif, &hw);
 
+		hwif->host_flags = IDE_HFLAG_MMIO;
 		default_hwif_mmiops(hwif);
 
 		idx[0] = hwif->index;
diff --git a/drivers/ide/legacy/ide_platform.c b/drivers/ide/legacy/ide_platform.c
index 8279dc7..d3bc3f2 100644
--- a/drivers/ide/legacy/ide_platform.c
+++ b/drivers/ide/legacy/ide_platform.c
@@ -101,8 +101,10 @@
 
 	ide_init_port_hw(hwif, &hw);
 
-	if (mmio)
+	if (mmio) {
+		hwif->host_flags = IDE_HFLAG_MMIO;
 		default_hwif_mmiops(hwif);
+	}
 
 	idx[0] = hwif->index;
 
diff --git a/drivers/ide/mips/swarm.c b/drivers/ide/mips/swarm.c
index 6894762..712d17b 100644
--- a/drivers/ide/mips/swarm.c
+++ b/drivers/ide/mips/swarm.c
@@ -109,6 +109,7 @@
 	base = ioremap(offset, size);
 
 	/* Setup MMIO ops.  */
+	hwif->host_flags = IDE_HFLAG_MMIO;
 	default_hwif_mmiops(hwif);
 
 	hwif->chipset = ide_generic;
diff --git a/drivers/ide/pci/sgiioc4.c b/drivers/ide/pci/sgiioc4.c
index 63e28f4..16a0bce 100644
--- a/drivers/ide/pci/sgiioc4.c
+++ b/drivers/ide/pci/sgiioc4.c
@@ -573,6 +573,7 @@
 	.init_dma		= ide_dma_sgiioc4,
 	.port_ops		= &sgiioc4_port_ops,
 	.dma_ops		= &sgiioc4_dma_ops,
+	.host_flags		= IDE_HFLAG_MMIO,
 	.mwdma_mask		= ATA_MWDMA2_ONLY,
 };
 
diff --git a/drivers/ide/pci/siimage.c b/drivers/ide/pci/siimage.c
index c2040a0..076a476 100644
--- a/drivers/ide/pci/siimage.c
+++ b/drivers/ide/pci/siimage.c
@@ -630,6 +630,7 @@
 	 *	Fill in the basic HWIF bits
 	 */
 
+	hwif->host_flags |= IDE_HFLAG_MMIO;
 	default_hwif_mmiops(hwif);
 	hwif->hwif_data			= addr;
 
diff --git a/drivers/ide/ppc/pmac.c b/drivers/ide/ppc/pmac.c
index 3cac6b2..48aa019 100644
--- a/drivers/ide/ppc/pmac.c
+++ b/drivers/ide/ppc/pmac.c
@@ -941,6 +941,7 @@
 	.port_ops		= &pmac_ide_port_ops,
 	.host_flags		= IDE_HFLAG_SET_PIO_MODE_KEEP_DMA |
 				  IDE_HFLAG_POST_SET_MODE |
+				  IDE_HFLAG_MMIO |
 				  IDE_HFLAG_UNMASK_IRQS,
 	.pio_mask		= ATA_PIO4,
 	.mwdma_mask		= ATA_MWDMA2,