diff mbox

[media] redrat3: ensure dma is setup properly

Message ID 1417423696-665-1-git-send-email-sean@mess.org (mailing list archive)
State New, archived
Headers show

Commit Message

Sean Young Dec. 1, 2014, 8:48 a.m. UTC 
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>
---
 drivers/media/rc/redrat3.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)
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Patch

diff --git a/drivers/media/rc/redrat3.c b/drivers/media/rc/redrat3.c
index 795b394..c4def66 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;