[media] redrat3: ensure dma is setup properly

This fixes the driver on arm.

Reported-by: Steven Guitton <keltiek@gmail.com>
Tested-by: Steven Guitton <keltiek@gmail.com>
Signed-off-by: Sean Young <sean@mess.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>

1 files changed, 3 insertions, 1 deletions

diff --git a/drivers/media/rc/redrat3.c b/drivers/media/rc/redrat3.c
index 795b394a5d84..c4def66f9aa2 100644
--- a/drivers/media/rc/redrat3.c
+++ b/drivers/media/rc/redrat3.c
@@ -966,7 +966,7 @@ static int redrat3_dev_probe(struct usb_interface *intf,
 
         rr3->ep_in = ep_in;
         rr3->bulk_in_buf = usb_alloc_coherent(udev,
-                le16_to_cpu(ep_in->wMaxPacketSize), GFP_ATOMIC, &rr3->dma_in);
+                le16_to_cpu(ep_in->wMaxPacketSize), GFP_KERNEL, &rr3->dma_in);
         if (!rr3->bulk_in_buf) {
                 dev_err(dev, "Read buffer allocation failure\n");
                 goto error;
@@ -975,6 +975,8 @@ static int redrat3_dev_probe(struct usb_interface *intf,
         pipe = usb_rcvbulkpipe(udev, ep_in->bEndpointAddress);
         usb_fill_bulk_urb(rr3->read_urb, udev, pipe, rr3->bulk_in_buf,
                 le16_to_cpu(ep_in->wMaxPacketSize), redrat3_handle_async, rr3);
+        rr3->read_urb->transfer_dma = rr3->dma_in;
+        rr3->read_urb->transfer_flags |= URB_NO_TRANSFER_DMA_MAP;
 
         rr3->ep_out = ep_out;
         rr3->udev = udev;