diff options
| author | Alexander Theissen <alex.theissen@me.com> | 2018-12-04 23:43:36 +0100 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2018-12-05 10:42:24 +0100 |
| commit | 67f3a0d0ad7220b9c37b5e6722a821cd7f389b39 (patch) | |
| tree | f47aa95bcfe3e8efb310b4c3cd7b10e99f608ba4 /drivers/usb/misc | |
| parent | 440da5a30e54deda4ded2a1dc61baf3ee3891f5d (diff) | |
| download | blackbird-op-linux-67f3a0d0ad7220b9c37b5e6722a821cd7f389b39.tar.gz blackbird-op-linux-67f3a0d0ad7220b9c37b5e6722a821cd7f389b39.zip | |
usb: appledisplay: Set urb transfer_flags to URB_NO_TRANSFER_DMA_MAP
The driver does allocate a DMA address with usb_alloc_coherent but did
not set the appropriate flag to signal that transfer_dma is set to a
valid value.
Signed-off-by: Alexander Theissen <alex.theissen@me.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/usb/misc')
| -rw-r--r-- | drivers/usb/misc/appledisplay.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/usb/misc/appledisplay.c b/drivers/usb/misc/appledisplay.c index 85b48c6ddc7e..730a266cd7b9 100644 --- a/drivers/usb/misc/appledisplay.c +++ b/drivers/usb/misc/appledisplay.c @@ -260,6 +260,7 @@ static int appledisplay_probe(struct usb_interface *iface, usb_rcvintpipe(udev, int_in_endpointAddr), pdata->urbdata, ACD_URB_BUFFER_LEN, appledisplay_complete, pdata, 1); + pdata->urb->transfer_flags = URB_NO_TRANSFER_DMA_MAP; if (usb_submit_urb(pdata->urb, GFP_KERNEL)) { retval = -EIO; dev_err(&iface->dev, "Submitting URB failed\n"); |
