summaryrefslogtreecommitdiffstats
path: root/drivers/nfc
diff options
context:
space:
mode:
authorOGAWA Hirofumi <hirofumi@mail.parknet.co.jp>2017-02-04 10:16:28 +0900
committerSamuel Ortiz <sameo@linux.intel.com>2017-04-01 23:04:30 +0200
commit0ada076819529203e11fcd5d3d52a2c9ada21879 (patch)
treeb1ede6a6e13310270d9961b845ebaa78128fd688 /drivers/nfc
parent85a2566d70a851c85806f687b93a9559bb8a3b11 (diff)
downloadlinux-0ada076819529203e11fcd5d3d52a2c9ada21879.tar.bz2
nfc: Fix RC-S380* needs zero-length packet
If sent packet size is wMaxPacketSize boundary, this device doesn't answer. To fix this, we have to send zero-length packet in usb spec. Signed-off-by: OGAWA Hirofumi <hirofumi@mail.parknet.co.jp> Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
Diffstat (limited to 'drivers/nfc')
-rw-r--r--drivers/nfc/port100.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/nfc/port100.c b/drivers/nfc/port100.c
index 32258525513e..382985d3fee0 100644
--- a/drivers/nfc/port100.c
+++ b/drivers/nfc/port100.c
@@ -1540,6 +1540,7 @@ static int port100_probe(struct usb_interface *interface,
usb_fill_bulk_urb(dev->out_urb, dev->udev,
usb_sndbulkpipe(dev->udev, out_endpoint),
NULL, 0, port100_send_complete, dev);
+ dev->out_urb->transfer_flags = URB_ZERO_PACKET;
dev->skb_headroom = PORT100_FRAME_HEADER_LEN +
PORT100_COMM_RF_HEAD_MAX_LEN;