diff options
| -rw-r--r-- | drivers/usb/core/devio.c | 4 | ||||
| -rw-r--r-- | include/uapi/linux/usbdevice_fs.h | 5 |
2 files changed, 8 insertions, 1 deletions
diff --git a/drivers/usb/core/devio.c b/drivers/usb/core/devio.c index c88d8bf..d7571a6 100644 --- a/drivers/usb/core/devio.c +++ b/drivers/usb/core/devio.c @@ -1209,6 +1209,7 @@ static int proc_do_submiturb(struct dev_state *ps, struct usbdevfs_urb *uurb, unsigned int u, totlen, isofrmlen; int i, ret, is_in, num_sgs = 0, ifnum = -1; int number_of_packets = 0; + unsigned int stream_id = 0; void *buf; if (uurb->flags & ~(USBDEVFS_URB_ISO_ASAP | @@ -1294,6 +1295,8 @@ static int proc_do_submiturb(struct dev_state *ps, struct usbdevfs_urb *uurb, num_sgs = DIV_ROUND_UP(uurb->buffer_length, USB_SG_SIZE); if (num_sgs == 1 || num_sgs > ps->dev->bus->sg_tablesize) num_sgs = 0; + if (ep->streams) + stream_id = uurb->stream_id; break; case USBDEVFS_URB_TYPE_INTERRUPT: @@ -1444,6 +1447,7 @@ static int proc_do_submiturb(struct dev_state *ps, struct usbdevfs_urb *uurb, dr = NULL; as->urb->start_frame = uurb->start_frame; as->urb->number_of_packets = number_of_packets; + as->urb->stream_id = stream_id; if (uurb->type == USBDEVFS_URB_TYPE_ISO || ps->dev->speed == USB_SPEED_HIGH) as->urb->interval = 1 << min(15, ep->desc.bInterval - 1); diff --git a/include/uapi/linux/usbdevice_fs.h b/include/uapi/linux/usbdevice_fs.h index 0c65e4b..cbf122d 100644 --- a/include/uapi/linux/usbdevice_fs.h +++ b/include/uapi/linux/usbdevice_fs.h @@ -102,7 +102,10 @@ struct usbdevfs_urb { int buffer_length; int actual_length; int start_frame; - int number_of_packets; + union { + int number_of_packets; /* Only used for isoc urbs */ + unsigned int stream_id; /* Only used with bulk streams */ + }; int error_count; unsigned int signr; /* signal to be sent on completion, or 0 if none should be sent. */ |