diff --git a/drivers/pcmcia/ds.c b/drivers/pcmcia/ds.c
index 55baa1f..7bf78c1 100644
--- a/drivers/pcmcia/ds.c
+++ b/drivers/pcmcia/ds.c
@@ -23,6 +23,7 @@
 #include <linux/crc32.h>
 #include <linux/firmware.h>
 #include <linux/kref.h>
+#include <linux/dma-mapping.h>
 
 #define IN_CARD_SERVICES
 #include <pcmcia/cs_types.h>
@@ -670,6 +671,9 @@
 	p_dev->dev.bus = &pcmcia_bus_type;
 	p_dev->dev.parent = s->dev.parent;
 	p_dev->dev.release = pcmcia_release_dev;
+	/* by default don't allow DMA */
+	p_dev->dma_mask = DMA_MASK_NONE;
+	p_dev->dev.dma_mask = &p_dev->dma_mask;
 	bus_id_len = sprintf (p_dev->dev.bus_id, "%d.%d", p_dev->socket->sock, p_dev->device_no);
 
 	p_dev->devname = kmalloc(6 + bus_id_len + 1, GFP_KERNEL);
diff --git a/include/pcmcia/ds.h b/include/pcmcia/ds.h
index 90ef552..f047a1f 100644
--- a/include/pcmcia/ds.h
+++ b/include/pcmcia/ds.h
@@ -184,6 +184,7 @@
 
 	char *			prod_id[4];
 
+	u64			dma_mask;
 	struct device		dev;
 
 #ifdef CONFIG_PCMCIA_IOCTL