pcmcia: use DMA_MASK_NONE for the default for all pcmcia devices

Most non cardbus devices can't do dma, so flag them as such in the device
creation routine.

Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
Cc: Andi Kleen <andi@firstfloor.org>
Cc: Alan Cox <alan@lxorguk.ukuu.org.uk>
Cc: Tejun Heo <htejun@gmail.com>
Cc: Natalie Protasevich <protasnb@gmail.com>
Cc: Jeff Garzik <jgarzik@pobox.com>
Cc: Dominik Brodowski <linux@dominikbrodowski.net>
Cc: Russell King <rmk@arm.linux.org.uk>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

1 files changed, 4 insertions, 0 deletions

diff --git a/drivers/pcmcia/ds.c b/drivers/pcmcia/ds.c
index 55baa1f0fcbb..7bf78c127898 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 @@ struct pcmcia_device * pcmcia_device_add(struct pcmcia_socket *s, unsigned int f
         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);