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: Sean Young <sean@xxxxxxxx>
Cc: Mauro Carvalho Chehab <mchehab@xxxxxxxxxx>
Signed-off-by: Sebastian Andrzej Siewior <bigeasy@xxxxxxxxxxxxx>
---
drivers/media/rc/ttusbir.c | 10 +++-------
1 file changed, 3 insertions(+), 7 deletions(-)
diff --git a/drivers/media/rc/ttusbir.c b/drivers/media/rc/ttusbir.c
index aafea3c5170b..6a7c9b50ff5a 100644
--- a/drivers/media/rc/ttusbir.c
+++ b/drivers/media/rc/ttusbir.c
@@ -257,10 +257,6 @@ static int ttusbir_probe(struct usb_interface *intf,
goto out;
}
- urb->dev = tt->udev;
- urb->context = tt;
- urb->pipe = usb_rcvisocpipe(tt->udev, tt->iso_in_endp);
- urb->interval = 1;
buffer = usb_alloc_coherent(tt->udev, 128, GFP_KERNEL,
&urb->transfer_dma);
if (!buffer) {
@@ -268,11 +264,11 @@ static int ttusbir_probe(struct usb_interface *intf,
ret = -ENOMEM;
goto out;
}
+ usb_fill_int_urb(urb, tt->udev,
+ usb_rcvisocpipe(tt->udev, tt->iso_in_endp),
+ buffer, 128, ttusbir_urb_complete, tt, 1);
urb->transfer_flags = URB_NO_TRANSFER_DMA_MAP | URB_ISO_ASAP;
- urb->transfer_buffer = buffer;
- urb->complete = ttusbir_urb_complete;
urb->number_of_packets = 8;
- urb->transfer_buffer_length = 128;
for (j = 0; j < 8; j++) {
urb->iso_frame_desc[j].offset = j * 16;
--
2.17.1
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