From d0a0a65e277c0cdfb498980e2ae998e0060c1ee4 Mon Sep 17 00:00:00 2001 From: Sean Young Date: Mon, 1 Dec 2014 05:48:16 -0300 Subject: [PATCH] [media] redrat3: ensure dma is setup properly This fixes the driver on arm. Reported-by: Steven Guitton Tested-by: Steven Guitton Signed-off-by: Sean Young Signed-off-by: Mauro Carvalho Chehab --- drivers/media/rc/redrat3.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) 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; -- 2.34.1