Using usb_fill_int_urb() helps to find code which initializes an URB. A
grep for members of the struct (like ->complete) reveal lots of other
things, too.
Cc: Mauro Carvalho Chehab <mchehab@xxxxxxxxxx>
Signed-off-by: Sebastian Andrzej Siewior <bigeasy@xxxxxxxxxxxxx>
---
drivers/media/usb/em28xx/em28xx-audio.c | 12 +++++-------
1 file changed, 5 insertions(+), 7 deletions(-)
diff --git a/drivers/media/usb/em28xx/em28xx-audio.c b/drivers/media/usb/em28xx/em28xx-audio.c
index 7f75002927a1..4251c9f8e07a 100644
--- a/drivers/media/usb/em28xx/em28xx-audio.c
+++ b/drivers/media/usb/em28xx/em28xx-audio.c
@@ -877,15 +877,13 @@ static int em28xx_audio_urb_init(struct em28xx *dev)
}
dev->adev.transfer_buffer[i] = buf;
- urb->dev = udev;
- urb->context = dev;
- urb->pipe = usb_rcvisocpipe(udev, EM28XX_EP_AUDIO);
+ usb_fill_int_urb(urb, udev,
+ usb_rcvisocpipe(udev, EM28XX_EP_AUDIO),
+ buf, ep_size * npackets, em28xx_audio_isocirq,
+ dev, ep->bInterval);
+
urb->transfer_flags = URB_ISO_ASAP | URB_NO_TRANSFER_DMA_MAP;
- urb->transfer_buffer = buf;
- urb->interval = interval;
- urb->complete = em28xx_audio_isocirq;
urb->number_of_packets = npackets;
- urb->transfer_buffer_length = ep_size * npackets;
for (j = k = 0; j < npackets; j++, k += ep_size) {
urb->iso_frame_desc[j].offset = k;
--
2.17.1
