Gitweb:     
http://git.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=43d9f7fda11a3413c99fbbde35005ec3138eb865
Commit:     43d9f7fda11a3413c99fbbde35005ec3138eb865
Parent:     32e8f70230c0c417490787b3f48b6ed6c48e7ec9
Author:     James Bottomley <[EMAIL PROTECTED]>
AuthorDate: Tue Oct 16 01:23:58 2007 -0700
Committer:  Linus Torvalds <[EMAIL PROTECTED]>
CommitDate: Tue Oct 16 09:42:50 2007 -0700

    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 <[EMAIL PROTECTED]>
    Cc: Andi Kleen <[EMAIL PROTECTED]>
    Cc: Alan Cox <[EMAIL PROTECTED]>
    Cc: Tejun Heo <[EMAIL PROTECTED]>
    Cc: Natalie Protasevich <[EMAIL PROTECTED]>
    Cc: Jeff Garzik <[EMAIL PROTECTED]>
    Cc: Dominik Brodowski <[EMAIL PROTECTED]>
    Cc: Russell King <[EMAIL PROTECTED]>
    Signed-off-by: Andrew Morton <[EMAIL PROTECTED]>
    Signed-off-by: Linus Torvalds <[EMAIL PROTECTED]>
---
 drivers/pcmcia/ds.c |    4 ++++
 include/pcmcia/ds.h |    1 +
 2 files changed, 5 insertions(+), 0 deletions(-)

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 @@ 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);
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 @@ struct pcmcia_device {
 
        char *                  prod_id[4];
 
+       u64                     dma_mask;
        struct device           dev;
 
 #ifdef CONFIG_PCMCIA_IOCTL
-
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